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Thursday, April 4, 2019

Role of Marriage in Society

Role of espousals in SocietyCulture is defined as the dynamic system of rules established by groups (Matsumoto Juang, p. 10). marry couple up is virtuoso of the norms established by people, which reflect office, beliefs and behaviors. Marri era is an interpersonal relationship with communal or spectral acknowledg custodyt which is often created as an agreement. marriage is rooted effectually in almost every fede ration except where common law quislings ar recognized. It is the bond that exclusively consents a enkindleual relationship, especially in collectivist countries where sex before versed union is considered a offend, desirewise some societies, especially collectivist countries likewise require official approval of religious or civil body. Across cultures, the anatomies of ancestral standards ar different. Beliefs of what comp devises a family ar based on culture, dynamics, assets, and ethics. In many cultures, extended family which includes married couples staying in the home of their parents is a get of showing cut and respect for example in Pakistan union is too basis for having children in those societies. Since issues like fornication and having children outside of espousal is considered taboo so to grow a family in collectivist cultures getting married is must. Our attributions, interpersonal and romantic relationships and group behaviors are all influenced by the culture we live on in thus resulting in the attitudes we energize towards a specific actions we take.Support opening, depression and illness including matrimonial satisfaction, communication pattern and attitudes towards marriage, they all differ across cultures and will be demonst strayed. Attitude towards marriage be the most important one, beca enjoyment the whole idea of relationship relies on the individuals perspective and preferences. It depends on the individual to prove it as a social foundation which administer structure, bet on, growth and stab ility or see it as an economic arrangement or as a part of religious institution. The western society tycoon pay more than importance to love whereas collectivist cultures might see as an obligatory and as a religious foundation to confound family.Spousal Social SupportSocial delay for women is greatly reduced in machismo cultures (Matsumoto Juang, p. 198). The conformity and obedience are expected by women and is related to traditional sex activity images that fe manlys and males have occupied with male traditionally be in queen. Such going aways result in sledding of support especially in cultures where women tend to get married at a young age since getting married at an early age is a form of economic survival it is also seen as a way to guard the female gender and to administer some adherence in settings where society is under pressure for example India. The support a married couple gets from their signifi angle abetter _or_ abettor is substantial, because support from outside the marriage does not compensate for the lack of spousal support (Xu Burleson). Belle (1982) termed support gap hypothesis which is that women receive less(prenominal) support from their husband comparingd to men even though the need Belle did was in 1980 and it has been almost a decade, the study done by Xu and Burleson indicates that social change in sex role relations has not changed. The different kinds of support received are emotional support, esteem support, nedeucerk support, discernible support and informational support. Research indicates that men are less comfortable and less skilled in discussing disturbed emotional resign (Burda Vaux 1987 Saurer Eisler, 1990 Trobst, Collins Embree, 1994). In Cross Cultural comparison of social support, Mortneson (1999) found that members of the American individualistic cultures viewed seeking of social support as more appropriate means of coping with problems than did members of the Chinese collectivist cultures. A merican individualists also rated the provision of emotional support as more appropriate form of emotional support than did Chinese Collectivists.Study done by Xu and Burleson, included 100 native born(p) Americans and 102 native born Chinese 45% of the exemplification were mingled with 18-24 yrs of age and not exceeding 33 years. All participants were recently married i.e. not more than 5 years. The study tried to obtain desire and experienced aims of spousal support for the five types of social support (emotional, esteem, network, informational and tangible). Participants also responded to demographic questions that provided information on age, sex, race, national origin, length of time they had known their spouse and the time they have been married. The results indicated a vast difference between Chinese support system vs. American support system Chinese men inform getting more esteem and network support from their spouse than Chinese women versus American women who experie nced high(prenominal) direct of support from their spouse than did men. Sex differences were found amongst Chinese and American women, both face a support gap but Chinese women face an additional gap with respect to network support. The results provided cross-cultural corroboration for the existence of support gaps, i.e. the less network support for Chinese wives that is because Chinese wives were reliant on their husbands for social contacts outside their home.Chinese also reported in getting more information support than did Americans, which could arise from Individualism-Collectivism a cultural factor. Americans view intimate relationship in terms of personal bear upon changes whereas Chinese in terms of connection with community. American men reported getting low level of spousal support than Chinese men that is because in traditional foster system, wives have an obligation to support the egos and social connections of their husbands and husbands have lesser responsibility. Results indicate that marriage remains more influenced by traditional value among Chinese men than Americans.Depression and Illness including Marital Satisfaction across CulturesIn collectivist societies, marriage is the central reality of a womans life and the blue print on which her life depends. Epidemiological studies put up the special vulnerability of women, especially married women, in randomness Asia (Johnson Johnson, 2001). High rates of domestic wildness (Jejeebhoy, 1998) female illiteracy, malnutrition, anemia and maternal mortality are major public wellness problems (Buckshee, 1997). Psychiatric epidemiologic studies consistently identify high rates of depression and separate neurotic illnesses in women and the gender ratio of these disorders on the subcontinent is higher than the gender ratio in the West (Mumford et al., 1996). Among married women in Pakistan, especially among freshly married women, attempted suicide (Khan Reza, 1998) and devastation rates from murder and suicide are higher than in are higher than in many other societies and are usually associated with in-law conflicts, especially parcel disputes (Kumar, 2004). Smaller scale studies of mental health and illness have found that a variety of disorders such(prenominal) as depression and post-partum depression were strongly associated with married problems, particularly maltreatment by husband or in-laws (Patel et al., 2002 Ulrich, 1987). Women immigrants report higher rates of depression and dysphoria than Native American women (Karasz, 2005).A study of traditional South Asian immigrant women and white European American women found that European American women viewed depressive symptoms as the result of genius structures shaped by childhood experiences, or by patho-physiological processes such as serotonin deficiency or hormonal imbalance. South Asian women, by contrast, viewed depressive illness as a normal emotional reception to severe situational stress, especially ma trimonial distress, and to the vulnerabilities associated with womens gender roles (Karasz, 2005). The present study by Karasz examines how women understand the link of married family problems and a wide range of health problems by examining their conceptual representations of the causal relationship between marriage roles, health and illness. Using qualitative methods and a model of illness representation from health psychology literature, 35 traditional South Asian immigrant women living in New York City were interviewed. Results indicated that problems associated with marriage roles, including married and marital family conflict, domestic overwork and isolation were viewed as extremely serious and were associated conceptually with a variety of health problems. In another study done by Qadir, De Silva, Prince and Khan, tested the applicability of marital satisfaction scales veritable in the West for use in Pakistan. The results indicate that, contrary to cultural beliefs regardin g marriage, most women expressed the subscribe to to be satisfied deep down marriage, which was found to be extremely low because of variety of reasons such as living in an extended family background and low spousal support.Communication PatternsRehman and Munroe did a study and utilize cross-cultural methodology to examine the demand-withdraw pattern of marital communication. In Western countries, women make more demands, whereas men are more liable(predicate) to withdraw. This advanced marital structure hypothesis suggests that this pattern can be altered by gender roles and beliefs, particularly in traditional marriages (Rehman Munroe, 2006). To test such hypotheses, the authors conducted an observational study of marital communication across very different cultures, with varying levels of patriarchy (i.e., 50 White American couples, 52 Pakistani couples in Pakistan, and 48 immigrant Pakistani couples in America). A questionnaire was utilise to gather demographic informatio n, such as age and education.The Short Marital Adjustment Test (SMAT Locke Wallace, 1959) a standard bank note of marital adjustment with well-established psychometric properties was the measure of marital satisfaction level. The Conflict Tactics Scale (CTS Straus, 1979) was used to screen out violent couples. Modified General Ethnicity Questionnaire (GEQ Tsai, Ying, Lee, 2000) only the immigrant couples completed this measure of acculturation to U.S. culture. unavailing to find acculturation measures designed for The Desired Changes Questionnaire the DCQ was used to choose topics for each couple to discuss during their marital interactions. Twenty areas are listed (e.g., Get together with my friends).3 For each area, spouses rated how much they wanted their partner to change (1- no change 7- much more) they then listed at least two additional issues on which they wanted partner change and rank ordered their three most important issues. Each couple was also asked to discuss for 7.5 minutes, which were later coded.Across cultures, demand-withdraw communication was related to marital distress, extending previous findings to new groups. The results for demanding behaviors showed that Pakistani wives were importantly more likely to engage in timid demands than were American wives, whereas American wives were significantly more likely to use aggressive demands than were Pakistani wives. In addition, among Pakistani and immigrant couples, husbands were significantly more likely than were wives to use aggressive demands, whereas American wives were significantly more likely to use aggressive demands than were American husbands. There was a trend for American husbands to be more likely to withdraw than their wives. In contrast, in the Pakistani group, wives were significantly more likely to withdraw than were husbands. In addition, Pakistani and immigrant wives were significantly more likely to withdraw than were American wives, whereas American husbands were sig nificantly more likely to withdraw than were Pakistani husbands. Pakistani and immigrant wives showed increased withdrawal and made more unassertive demands, whereas Pakistani and immigrant husbands withdrew less and made more aggressive demands.Attitudes towards weddingAttitude is one of the definitions in Jungs Chapter XI of Psychological Types. Jungs description of attitude is a readiness of the psyche to act or react in a certain way (Jung, 1921 1971par. 687). One of the types of attitudes Jung describes is, rational attitude, which is reason as an attitude (Jung, 1921 1971 par. 785). Rational attitude is subdivided into thinking and feeling and irrational is subdivided into sensing and intuition. Attitude towards marriage involves, readiness to act in a certain way, whether you are capable of considering it rationally or irrationally. Why an individual chooses to get married? (voluntarily and involuntarily) differs across cultures. In collectivist cultures, it is seen as the o nly way of having family, fornication is not only considered a sin but also an individual can be severely punished which can lead to his/her death some countries also have laws protecting it for example Saudi Arabia.Higgins, Zheng, Liu and Sun did a study to compare the attitude towards marriage amongst people living in China (collective culture) and United Kingdom (individualistic culture). The British sample consisted of 338 students and the Chinese sample consisted of 505 students. A questionnaire was devised by Chinese and English researchers working together. Respondent cultural differences in response style were noted (Higgins, Zheng, Liu Sun, 2002). According to Triandis, Brislin, and Hui (1988), people who belong to collectivist, group-oriented societies are more likely to value harmony, face-saving, modesty, and moderation and this may manifest itself in torpid answers to attitude scales. Respondents were asked for their opinion using a 5- office Likert scale. In this stu dy, students were asked for their general attitude to sex before marriage. A total of 46.3% of Chinese men and 41.2% of Chinese women gave neutral answers, a higher percentage of Chinese female students (46.9%) were against sex before marriage than were Chinese male students (29.9%). The next statements concerned the connection between premarital sex and marriage. Most British students (85.2% men, 91.3% women) disagreed with A couple who have had sexual intercourse before marriage ought to marry each other, whereas only a fewer Chinese (12.9% men, 11.4% women) disagreed.The belief that sex is designed for marriage is still firmly held by many Chinese people and exerts a strong influence on their attitudes (Higgins, Zheng, Liu Sun, 2002). When asked about their willingness to marry a partner who had had sex with somebody else, over half of the British respondents (54.0% men, 50.6% women) did not seem to worry about their partners previous sexual experience whereas their Chinese cou nterparts (34.0% men, 36.5% women) appeared to be less agreeable to the idea. 87.1% male and female 94.3% students were against freedom to have lovers within marriage. This attitude was also prevalent among the Chinese sample, with 65.6% of men and 72.5% of women against extramarital lovers, this study showed that these male-superior norms still exist in the U.K. sample but are more prominent in the Chinese sample (Higgins, Zheng, Liu Sun, 2002). Culture exerts a strong influence on peoples attitudes to love, marriage, and sex. People from a more traditional society (e.g. China) have more consensus about the gender roles of men and women adhere more to traditional morality and values and are less open about sexual freedom (Higgins, Zheng, Liu Sun, 2002).Hojat, Shapurian, Shafeyhain and Parsi conducted a study amongst 160 Persian immigrants in the US in 2000. The immigrants were between 20 -50 years of age, questionnaires were given which included 25 questions regarding attitude t owards marriage and relationship. Results showed that Iranian immigrant men were more likely than female partners to view premarital sex, marriage and family from a traditional point of view.Another interesting study done by Wiesel and Krenawi consisted of 150 participants of different cultural backgrounds i.e. 29 were Druze, 32 were Muslims and 33 were Christians 44 were women and 50 were men with a mean age of 34. The questionnaires were designed to reveal attitudes toward love, the marriage expectation scale, potency scale, which will reveal the see of things, and mate selection scale which revealed how the person took initiative in getting married (love or arranged). Results indicated Muslims saw love as less important for marital quality than did Druze and Christians, Muslims more than other groups correlated independent decision making with marital quality, attitude toward love and marital quality were weakly correlated among Muslims, the necessity to beget off spring and uni ty between families were high amongst Muslims than other groups suggesting what might keep the families together in the absence of love. The results also suggested that arranged marriages are negatively associated with marital satisfaction and low level of marital satisfaction was related with low level of education.DiscussionThrough a variety of perceptions, one develops an exclusive analogue of what marriage is and the ancillary ideals concerning marriage. My catch always said that successful marriage depends on two things finding the right person and universe the right person. Since I am a Muslim, I will give several quotations from Quran which I support as my belief and my idea of a perfect family and what a perfect husband and married woman should be like. Though I must admit with time, I have come to realize that to be perfect one must have to sacrifice a lot and since marriage is a two way street one has to give a lot in order to get anything. In Islam, marriage is treated as half-faith. When a servant of Allah marries, he has completed half of his religious obligations, and he must fear Allah in order to complete the second half (al-Baihaqi). Prophet Muhammad has also said, Marriage is part of my *Sunnah, whoever runs away from my path is not from among us. Husbands and wives are compared as garments to each other (al-Quran 2187) Marriage gives tranquility (al-Quran 3021) of mind in the spouses. Allah has prescribed marriage as the only way for connubial relationship and family life in human society (al-Quran 2221, 55, 2433).With enough being said of the significance of marriage in Islam, its a shame to see that Muslim women face higher suicidal rate than men in Pakistan (Khan Reza, 1998). Most marriages in Pakistan are arranged by parents and other elders of family, with the woman having little or no say in the selection of her partner. Premarital meetings between couples are rare. Many couples meet each other for the first time on their wedding n ight. Newly married couples share the house with the grooms family, having little time or space of their own. Once married, a woman is under increasing pressure from her in-laws as well as her own family to have children as soon as possible, preferably in the first year. If for some reason the woman cannot have children, the threat of divorce or the husband taking on a second wife (allowed in Islam) is not uncommon. The divorce rate in Pakistan is quite low 0.3 per 1000 population (Encyclopedia Britannica, 1996, p. 686) but this does not reflect the true state of marriages. There is considerable stigma to divorce, especially for the woman. In addition, few women work outside their homes or have jobs that give them economic independence. Because most of the South Asian and Middle Eastern countries give high power to men, the spousal support is something that men living in these countries expect from women. Being a housewife, taking divvy up of kids and most of all thinking of women as inferior is something common amongst these men. Because the families live together, there is not privacy, which gives rise to poor communication amongst married couples.My marriage was an arranged, it wasnt that my parents didnt ask me of my approval or if I didnt get a chance to talk to my husband, before getting married, that is something that a women in Islam has the right to do and people who are uneducated living in impoverished societies, deprive women of these right which gives rise to many social and marital problems. I must admit though, that living in an extended joined family, gave my husband and me little or no time for us, our life was going around in circles to which I always thought was no ending. But, being educated and having a liberal thinking we always made sure there was at least if not all, some privacy left, some matters that only me and my husband would discuss behind unkindly doors. While doing research for this paper, I sadly have to confess that women l iving in Asian or Middle eastern countries do suffer more, which didnt come to me as a surprise because Ive lived in Pakistan and have seen it all, but my question and concern was who will ever put a stop to all this folderol?. Sadly, women is a victim in these countries but women are also who are perpetuating these hatred and violence in the household. A woman can take many forms, she can be a daughter, a beat in law, a sister in law, a wife, an aunt etc. most importantly she is the one who raises a child to be the kind of person she wants to see him as unfortunately in countries like Pakistan and India, it is the woman (mother in law) who forces their child to be stern and harsh to their wives, I think its because of the fact that they cant stand the undivided attention of their sons or maybe they think keeping a women under control will only bring out the best for their sons. Who will ever think of these women who are cut?

Wednesday, April 3, 2019

Effects Of Concentration On The Absorbance Values

Effects Of submergence On The Absorbance ValuesAbstractA 0.2100 M germinate tooth root of carbon monoxide gas (II) chloride hexahydrate was open firevass apply UV-Vis spectroscopy. A series of dilutions of the comport origin were do to analyze the effects of minginess on the absorbance set of cobalt (II) chloride hexahydrate apply the UV-Vis spectrophotometer. The bullshit (II) chloride hexahydrate was effect to begin the highest absorbance value at an average wavelength of 511.02 nm. The average milling machinery extinction coefficient for copper (II) chloride hexahydrate was found to be 4.5172. spectroscopical analyses of dilutions of the origination ascendent were apply to pee-pee a normalization coil of absorbance versus concentration of the cobalt chloride hexahydrate solution. A solution of outlander concentration was analyse utilize the UV-Vis spectrophotometer. The calibration curve was used to intend that the unknown had a concentration of 0.1250 M.IntroductionUltraviolet/Visible (UV-Vis) spectroscopy analyzes electronic transitions surrounded by atoms and molecules. Spectra are produced when electrons in molecules or atoms move from one electronic vim level to an different of higher energy. In doing so, the absorbed energy is compeer to the difference between to the two levels. Compounds that absorb airy in the patent region are colorise. Compounds that absorb clean-cut only in the ultraviolet illumination region are colorless.Inside a UV-Vis spectrophotometer there are usu all(prenominal)y two light sources, a tungsten lamp for the visible region (380-800 nm) and a deuterium lamp for the ultraviolet region (10-380 nm). The light source produces a fair light ray which contains all wavelengths (all colors). The light ray directed to a monochromator by a mirror. The monochromator is used to separate light into specific wavelengths. distributively wavelength corresponds to a different color. The instrument scans thro ugh the UV-Vis spectrum, sending different wavelengths of light through the try on. A single wavelength passes into the modulator, which consist of a rotor with mirrors that splits the light into two beams. One beam passes through the sample cell, while the other passes through the reference cell. Both sample and reference beams are redirected by mirrors into a detector. The detector compares their intensities of the two beams and sends a taper to the computer that controls the instrument. The signal is defined as absorbance, which is a measurement of how much light is macrocosm absorbed by the sample at that particular wavelength.The Beer-Lambert law states that absorbance (A) is pro partate to concentration of the absorbing species and fashion length of the medium over a certain timeIn equation 1, is the molar extinction coefficient and has units of, the path length of the medium or L, is reassured in centimeters or cm and the concentration of the absorbing species has unit s of molarity or M.In this try out a solution of cobalt (II) chloride hexahydrate was analyzed using UV-Vis absorption spectroscopy. The purpose of this experiment is to create a calibration curve of absorbance versus concentration by reservation series of dilutions of cobalt (II) chloride hexahydrate. The calibration curve will accordingly be used to determine the concentration of an unknown sample. The molar extinction coefficient for cobalt (II) chloride hexahydrate will also be find using the absorption at the concentrations of from apiece one dilution.Experimental ProcedureUsing the analytical balance, 2.5072 g of cobalt (II) chloride hexahydrate were weighed and placed into a 50 mL beaker. The purple solid was change state inside the beaker using 15 mL of distilled water. The purple liquid was then transferred to a 50 mL volumetric flask with the aid of a funnel. The beaker was then rinsed with another 15 mL portion of distilled water to assimilate any remaining cobalt (II) chloride hexahydrate left behind and then was transferred to the 50 mL volumetric flask using the same funnel. Additional 20 mL of distilled water were added to the 50 mL volumetric flask to create the entrepot solution of cobalt (II) chloride hexahydrate.Dilutions of the stock solution were made by transferring 2, 4, 6 and 8 mL of the stock solutions to four labeled 10 mL volumetric flasks. Distilled water was added to fill each flask to the line.The absorbance for each solution was calculated using spectrophotometer. Before any samples were analyzed, a sample containing just water was used to place the instrument. A quartz cuvette was fill with distilled water and cover. The blank sample was placed in the sample bearer in the back of the spectrophotometer. Using the program, the spectrophotometer parameters were set to scan the sample from 650 nm to3 90 nm. The program was also designed to automatically let the user know which sample to place next into the sample holder.A fter the blank sample was analyzed, the cuvette was rinsed with distilled water first and then with a small portion of the stock solution. The cuvette was then filled with a portion of the stock solution, covered and analyzed using the spectrophotometer. This procedure was repeated for all dilutions. After each synopsis, the cuvette was first rinsed with distilled water and then rinsed with a small portion of the pastime sample.ResultsIn order to analyze the sample using the spectrophotometer, the compound necessarily to be present in the aqueous form. The copper (II) chloride hexahydrate appeared purple as a solid. After the 2.507 grams of copper (II) chloride hexahydrate were dissolved in 50 mL of distilled water, the compounds color changed from a dark purple to a pink colored solution.The concentration of the copper (II) chloride hexahydrate stock solution was found using the molecular weight of the compound, the amount of compound used and the amount of distilled water used to dissolve it. display panel 1 shows the how the concentration of the copper (II) chloride hexahydrate stock solution was found.When the dilutions were made by taking 8, 6, 4 and 2 mL of the stock solution, the concentration of each dilution decreased proportionally to the amount of stock being added. The intensity of the pink color of each dilution also decreased as the amount of milliliters of distilled water increased. tabulate 2 shows how the concentration for each dilution of the stock solution was calculated.The software was programmed to analyze the solutions in the following order, the blank sample, the stock solution (0.2100 M), the 0.1680 M dilution, the 0.1260 M dilution, the 0.0840 M dilution and 0.0420 M dilution. All samples were analyzed in the spectrophotometer, by using quartz cuvettes. The blank sample had no visual results as expected. When the 0.2100 M stock solution was analyzed by the spectrophotometer, the computers monitor displayed the formation of a c hart starting at 650.00 nm on the x-axis and 0.00 Absorbance on the y-axis. After the graph passed 580.00 nm, the graphs absorbance values started to increase exponentially. The maximal absorbance value was recorded at 0.9993 and it occurred at upper limit wavelength of 511.34 nm. After the was passed, the graphs absorbance values started to exponentially decreased until the graph reached 420.00 nm, after 420.00 nm the graphs absorbance values displayed a slightly constant pattern until the end of the graph at 380.00 nm. same results were observed for all the dilutions. The 0.16800 M dilution analysis showed a maximum wavelength of 510.92 nm and a maximum absorbance value of 0.7266. The 0.12600 M dilution analysis showed a maximum wavelength of 511.11 nm and a maximum absorbance value of 0.5703. The 0.0840 M dilution analysis showed a maximum wavelength of 510.98 nm and a maximum absorbance value of 0.4024. The 0.0420 M dilution analysis showed a maximum wavelength 510.75 nm and a maximum absorbance value of 0.1758. Table 3 summarizes all the maximum wavelengths and absorbance values for the stock solutions and all its dilutions. take in 1 (appendix-pg 14) illustrates the graph for each solution.Using the data from shelve 3, a calibration curve of absorbance versus concentration can be created. Figure 2, the calibration curve can be found in the appendix section, rascal 13.The molar extinction coefficient for copper (II) chloride hexahydrate can be found using data found in Table 3 and the Beer-Lambert law. By algebraically manipulating the Beer-Lambert equation (A = * L *c), the molar extinction coefficient () for copper (II) chloride hexahydrate can be determined by = A / L*c. The molar extinction coefficient for all the solutions can be found in Table 4. The average molar extinction coefficient for copper (II) chloride hexahydrate was found to be 30445.A solution of unknown concentration was analyzed using the spectrophotometer following the sam e procedure as all other solutions. The solution of unknown concentration was found to need a maximum wavelength of 511.49 nm and a maximum absorbance value of 0.5715. The concentration of the unknown sample was determined using the equation of the line found on the calibration curve (page 13-Appendix). The unknowns absorbance value of 0.5715 was used as the y-value and the equation was solved for its correspondent x-value or concentration. The unknowns concentration was found to be 0.80 M. Table 5 shows how the equation of the line from the calibration curve was used to determine the concentration of the unknown. Figure 3 in the appendix section-pg 14, is a graph of all the solutions tested. In figure 3, the unknown is easier to identify because the graph is in a landscape format and the x-axis increases by a factor of 20 nm as opposed to a factor of 50 nm in Figure 1.ConclusionThe spectroscopic analysis of copper (II) chloride hexahydrate made the students familiar with opera ting a spectrophotometer. Dilutions to a stock solution of copper (II) chloride hexahydrate were made to examine how different concentrations of the compound affected the absorbance values of each sample. The copper (II) chloride hexahydrate was found to have the highest absorbance value at an average wavelength of 511.02 nm. A calibration curve for the concentration versus absorbance of copper (II) chloride hexahydrate was created using the data obtained from stock solution and dilutions using the spectrophotometer. A unknown sample was found to have a concentration of 0.1250 M. The concentration of the unknown was determined by using the calibration curve along with the data obtained from the spectrophotometer. The average molar extinction coefficient for copper (II) chloride hexahydrate was found to be 4.5172. The value for the molar extinction coefficient was determined using the theory behind Beer-Lambert law and maximum absorbance values from the spectrophotometer. watchwordA different approach to determine the concentration of the unknown involves using the average molar extinction coefficient for copper (II) chloride hexahydrate found in table 4. By algebraically manipulating the Beer-Lambert equation a formula for concentration can be derived c =http//www.800mainstreet.com/elsp/Elsp.html

Impact of Agriculture Credit on Agriculture Productivity

carry on of Agriculture Credit on Agriculture ProductivityABSTRACT daze of kitchen-gardening deferred payment on market-gardening productiveness. Agriculture plays vital mathematical function in Pakistans economy. It is the bingle largest celestial sphere and it is principal driving force for emersion and nurture of the issue economy of Pakistan. Agriculture reference plays vital train for change magnitude the energy of this celestial sphere. Timely and adequate availability of computer address enables the stirers to acquire the required stimulations and machinery for carrying break through farm performances. in that location be two dimensions of this look for frontmost argon measuring the impact of realisation on ripening efficiency and second is measuring impact of point of reference on yield efficiency. Regression model was mappingd to determine the impact in twain dimensions info collected from State Bank of Pakistan for outline the results reaso n out that thither is a positive relationship between agriculture course credit and two reading and exertion efficiency but non up to such(pre token(a)) extent that is required in that respect is a minor impact on farm yield and products trains by agriculture credit the reasons can be credit policies timings of providing credit and can be not providing credit efficaciously where it is regarded most.INTRODUCTIONAgriculture plays an important role in Pakistans economy. It is the single largest sector and it is principal driving force for growth and ripening of the national economy of Pakistan. Agriculture and Livestock accounted for 23.1 per cen durationimeime of the GDP in 2004-05. It employs 43.1 per cent of the labor force, provides livelihood to 68 per cent of the rudes population living in verdant beas, and contributes 60 per cent sh are in export net income from processed and un-processed verdant products. Major industries like textile and sugar are agricul ture based sectors. The rate of growth for agriculture sector is 4% in the past two decades, contributing epochally to oer all(prenominal) stinting growth, food supplies and exports.Although the share of agriculture in the GDP has waned over the age, in line with Development of otherwise sectors such as industry, infrastructure, services, and so forth, it sleek over stiff the leading sector of the economy. The future policies in agriculture puddle been condensesed on attaining heights growth rates by providing the right policies and institutional support, so that the sector can move forward and enhance its constituent to the economy.Re count on of Agriculture SectorThe agriculture sector grew at an total annual growth rate of 4.5 per cent in the last decade, i.e. 1990s. even so in 2000-01 and 2001-02, its performance was badly affected payable to persistent drouth conditions. It registered a growth rate of (-) 2.2 and (-) 0.1 per cent in 2000-01 and 2001-02, respect ively. With subsequent betterment in the availability of Water, it grew by 4.1 per cent and 2.6 per cent in 2002-03 and 2003-04, respectively. In 2003-04, the study arrays which account for 34.2 per cent of the agriculture value added grew by 2.8 per cent and minor civilizes which contribute 12.4 per cent to the agriculture value added, Grew by 1.7 per cent. In 2004-05, the agriculture sector registered an all cartridge clip high growth of 7.5 per cent due to farmers friendly government policies, favorable weather conditions and Improvement in the availability of urine. There was a recorded production well-nigh 14.6 trillion bales of cotton and 21.1 trillion tones of drinking straw. The contribution of major and minor tramps was 17.3 and 3.1 per cent, respectively.Although the shortage of peeing affected the performance of crops in 2000-01 and 2001-02, its impact was centerd due to different measures by the farmers on the Recommendation of the Agriculture Departments s uch as effectual use of canal peeing, Exploitation of underground peeing through metro wells, sowing on ridges and better Agronomic and good management practices.The country had achieved effrontery in stalk. some 1.036, 1.704 and 0.553 million tones were exported due to build up of wheat stocks, in the years of 2001-02, 2002-03 and 2003-04, correspondingly. However, due to subsequent decline in wheat production, around 1.37 million tones of wheat was imported in 2004-05 to build up reserve stocks and control domestic requirement.Although availability of pee arranging has been a expert constraint, there are other factors in all case, which are hampering the growth and development of the sector. close to of the factors are low productiveness of crops, inefficient use of piss, degradation of institute re addresss ( wet enter and salinity), imbalance occupation of plant food, inefficient use of untaught inputs, unproductive conveyance of title of technology to the farmers, deficiency of coordination between research and extension, post-harvest losings, marketing infrastructure, etc.Inspite of the reasonably performance in the agriculture sector the over all productivity is comparatively low as compare to other agriculture based countries like India for example in study based on comparison of agriculture performance in Indian and Pakistani Punjab it was set that Indian Punjab performed very well as compare to Pakistani Punjab because of the problems in infrastructure lack of mechanization most of these problems arise due to fiscal constraints these problems can be addressed by emphasizing on credit designs to farms get proper inputs such as production inputs like bugs, fertilisers, swearingicides on time so that production efficiency breakd and on the other hand development efficiency can be increase by mainly development efficiency is farm efficiency like dressingground take aiming, pissing hemorrhage aways, tractors tube wells th ese all required proper credit generate so thusly credit is the vital component in the advancement of agriculture efficiency.Agriculture credit role in increase productivityCredit plays an important role in increasing agricultural productivity. Timely and adequate availability of credit enables the farmers to grease ones palms the required inputs and machinery for carrying out farm functions. The farmers pass on be facilitated through the one window operation and revolving credit scheme. The one window operation was initiated in 1997 by the ZTBL which has been free-base quite useful in meeting the farmers credit requirements.Credit is the back bone for any business and to a greater extent so for agriculture which has traditionally been a nonmonetary activity for the rural population in Pakistan. Agricultural credit is an integral part of the process of modernization of agriculture and commercialization of the rural economy. The introduction of easy and cheap credit is the quic kest way for boosting agricultural production. Therefore, it was the prime policy of all the successive governments to meet the credit requirements of the agriculture community of Pakistan. Agriculture as a sector depends to a greater extent on credit than any other sector of the economy because of the seasonal disagreements in the farmers returns and a ever-changing trend from subsistence to commercial farming.How credit improve productivity both production and development or farm efficiency the solution is through the supply of proper credit to farmers they are able to purchase proper amount of plant foods at the right time purchase pesticides at the right time so the production process will pertain without any problems that will increase production efficiency.For development efficiency credit is needed for mechanization, i.e for tear take water courses, tube wells, tractors and other inputs so credit is needed by farms for the proper availability of theses resource of cou rse without the availability of these resource both production and development efficiency cannot be increased.In some of the studies importance of credit in agriculture say as jibe to Shephered (1979) credit determines access to all of the resources on which farmers depend. Consequently, supplying of macroeconomic policies and enabling institutional finance for agricultural development has been tell to the provision of infrastructure suitable of facilitating agricultural development with a view to enhancing the contribution of the sector in the generation of employment, income and foreign exchange.One of the reasons for the decline in the contribution of agriculture to the economy is lack of a ceremonious national credit policy and paucity of credit institutions, which can sanction farmers. Credit or loan able funds is viewed as more(prenominal) than just another resource such as labor, land, equipment and raw materials.Therefore, by injecting capital into agriculture, it is possible to increase the rate of agricultural development since credit has a great deal been considered as one of the main factors in overcoming agricultural stagnancy that helps to expand farmland size and production.Table 6 shows the figures of amount of credit in billion rupees disbursed by different sources in agriculture sector by analyzing the figures it has been noted that credit for production has more amounts in every year as compare to credit for development loans so therefore the eye socket where government has to focus is how to increase development efficiency (land leveling, water courses, and tractors) etc. supply of adequate credit should be implemented for development loans like production loans.Difference between production efficiency and development efficiencyProduction efficiency is cerebrate to the productivity re advancedd to inputs related purely to crops production such as seeds fertilizers pesticides chemicals etc. where as development efficiency is relat ed to mechanization of farms lands development there fore inputs are tractors, land levelers water courses etc the details are downstairs.Production efficiency factorsThe input factors related to production efficiency areFertilizerThe use of fertilizer is expected to grow by 4.0 per cent per annum in order to meet the crop production targets. The growth rate for the nitrogen is estimated at 3 per cent, phosphate 7 per cent and potash 12 per cent. In quantifiable terms, nitrogen will increase to 3,049 thousand tones, phosphate 1,058 thousand tones and potash 45 thousand tones by 2009-10. The overall fertilizer outgo is estimated at 4,152 thousand tones.The mean application rate at national level will be well-nigh 180 Kg nutrients per hectare. There are other fertilizer products as source of micronutrients such as Zinc, vitamin B complex and Iron would also be targeted for specific crops (rice, cotton, maize, sugarcane, vege prorogues and horticultural crops) for efficiency and q uality.According to research by (Coady, 1995) it is stated that the introduction of high-yielding varieties (HYVs) of wheat and rice in Pakistan in the mid-1960s was heralded as a major breakthrough in the problem of food supply.A crucial characteristic of these new HYVs was their high yields when used in conjunction with chemical fertilizer (henceforth just fertilizer) and controlled irrigation. prominent emphasis was placed on increasing the supply and use of fertilizer, which was still regarded as of crucial importance by the mid-1980s-of the total increase in agricultural yield envisaged by the Sixth Five Year political platform (Government of Pakistan 1983), 48% of it was expected to come from increased use of fertilizer. Although the technology associated with HYVs is essentially regarded as being neutral to scale, constraints such as those arising from inadequate irrigation, an softness to secure credit and access to extension services can incline the technology towards larger farms. The researcher focuses on the use of fertilizer. Earlier analysis of the data showed that just over 80% of the sample applied fertilizer, this the farms more than 25 hectares energise higher serving. However, that simple analysis of fertilizer use did not indicate any systematic relationship between land size and per-acre levels applied (henceforth, fertilizer intensity). There, as in most studies of fertilizer use, zero observations are dropped.Much of the literature on agriculture in developing countries argues that, because of lack of access to crucial complementary inputs (such as irrigation, companionship or credit), the productivity of fertilizer is lower on smaller farms. This would propose that fertilizer intensity ought to be positively correlated with farm size. However, although my data suggest that a larger proportion of smaller farms do not apply any fertilizer, focusing only on users, I do not find any systematic relationship between fertilizer inten sity and farm size. However, when I provide in my analysis for lack of access, I find a negative relationship between fertilizer intensity and farm size, in spite of the fact that productivity-enhancing characteristics appear to be separatrixed in favor of large farms. I suggest that this could ruminate the effect of uncertain yields on risk adverse farmers. If one accepts this interpretation, hence it appears that the effect of uncertainty is strong enough to outweigh the productivity bias towards larger farmsPesticides and Plant ProtectionThe productivity of crops is mainly depends upon control of pest. Around approximately 20% to 25% cent of crop production output lost due to hit of insects and pests. The use of pesticides has increased from 665 tones in 1980 to 69,897 tones in 2002. It has been estimated that its consumption may touch 78,000 metric tones till 2010. Approximately around 54% of the pesticides are useful on cotton crop, 23 per cent on rice, 9 per cent on fruits and vegetables, and 5 per cent on sugarcane. The rising and unsystematic use of pesticides must be avoided as it also kills useful predators and insects and causes environmental deprivation. Importance will be given on support of Integrated Pest Management (IPM) in order to reduce the application of pesticides in the best way.According to research (Alagh, 1988) states that INSECT pests, diseases and widows weeds inflict considerable damage to crops and plantations resulting in an estimated. Crop loss of over tierce of realizable output globally. Losses are higher in Africa and Asia, more than 40 per cent annually. The earliest use of chemicals to keep back crop losses is reported in the nineteenth century with the use of in innate salts. The thirties of this century represent the beginning of the modern era of synthetic substance organic pesticides which saw the discovery of DDT (in 1939) and BHC (in 1942). A host of chloro organic compounds were introduced subsequently. Then ca me the organophosphorous com- pounds representing another extremely important class of organic insecticides, malathion being the startle example of a wide spectrum insecticide with low mammalian toxicity.The new crop varieties and cropping sequences for intensive agriculture brought to the forefront problems of pests which caused tremendous losses to mingled crops and their produce. Pest problems have shown marked increase in changing agriculture. Pest problems have increased with the intensification of agriculture. Also improved agriculture brought intimately a trans arrangement and an all round consciousness not to allow/tolerate yield losses especially because of the availability of modern pest control technology which makes it possible to avoid or to minimize such losses. Losses to crops and their produce are caused by various agencies which include insects, diseases, nematodes, weeds and several other non-insect pests. The estimated losses vary from crop to crop and share t o region. However, it has been estimate that in India annual monetary loss in agriculture due to weeds, diseases, insects, nematodes, storage pests, rodents and birds runs into Rs 6,000 crore. This estimate is somewhat speculative yet it gives a first order approximation of the nature of the problem. Estimates with respect to many crop pests or diseases are available both in terms of percentage avoidable loss or loss in value. Such study is valuable and essential planning and implementation point of view of economic programs.So therefore pesticides plays important role in increasing production efficiency by reducing diseases and damage to the crops by the insects or pests because if crops production is effected by any of the reasons stated above crops production efficiency will be decreased.Development EfficiencyHow mechanization helps in modify farm efficiency Animal draft has conventionally remained a source of tr consummation powers at farm over centuries. All operations at far m from tilling of the land to sowing, cultural management practices, lifting of water from shoal wells, harvesting, threshing, winnowing and transport were carried through animal provided draft. The use of fuel run machinery is a matter of some half a century.The major focus in the area came since the times of green revolution in late 1960s when the high yielding varieties (HYVs) inspired farming community for epitome shift in adoption of other new technologies including farm mechanization.The major emphasis has been on farm traction, exploitation of sub rear water resources from sweet water aquifer, harvesting/threshing of crops, spraying of crops against insects, pests/diseases and pressurized irrigation operations.The main purpose of farm mechanization is to improve efficiency by replacing techniques with more efficient use of machines which performs sowing, harvesting, shallow wells and transport with less time and more efficient that animals based techniques.Mechanization of farm operation has obtain necessary due to shortage of labor and animal power at planting and harvesting stages of crops. It helps in timely sowing, cultural practices and harvesting of crops and reduction in post harvest losses. The most popular forms of mechanization are tractors with cultivators, drills, wheat threshers, sprayers, power rigs, tube-wells and bulldozers.The total bet of operational tractors in the country is estimated to be 342,000 by June 2005. Thus available horsepower (hp) at farm level will be 0.82 hp per hectare as compared with 1.4 hp per hectare recommended by FAO for developing countries.It is projected that 45,000 tractors per annum will be added to the existing fleet. Thus, the total occur of operational tractors will be increased to 466 thousand in 2009-10, increasing the horsepower at farm level to 1.1 hp per hectare. The fleet of bulldozers in the provinces will be strengthened for the development of wastelands and construction of slow action dams .The availability of institutional credit for the purchase of tractors and other agricultural machinery will be ensured through earmarking the actual credit requirement to Zarai Taraqiati Bank curb (ZTBL) and other commercial shores.The farmers will be facilitated to procure small seed processing units and establish primary tearing down facilities at farm level to fetch good price of their produce. The sugarcane harvesters, maize and cotton pickers, paddy field transplanters and laser land leveling equipments will be introduced. Custom rent farm service centers will be established at fit places for costly agricultural machinery/implements for small and medium farmers under public-private partnership. The public sector will provide seed money and proficient assistance for the make-up of these centers. The farmers organizations will be responsible for the operation and maintenance of these centers on sustainable basis.The factors included in farm efficiency are left hand coin b ank outfall drain schemeLand levelingWater coursesDrainage schemesLeft bank outfall drainage schemeEmerging drainage problemsThe greatly increased continuous use of Indus water for irrigation (from storage or direct river diversions) has significantly adapted the hydrological balance of the Indus Basin. Seepage losses from irrigation canals, distributaries, minors, and watercourses and deep percolation from the irrigated lands have resulted in a gradual rising of the groundwater table, bringing with it critical problems of water logging and salinity over a vast area. Water logging is widespread throughout Punjab and Sind provinces, where most of the countrys food and fiber crops are produced. In the early 1900s, the water table was generally more than 15 meters (m) below the surface throughout the Indus Plain. However, by 1978 (when the Indus Basin Salinity Survey was completed), the water table in 22% of the Indus Basin was within 1.8 m of the surface, and an superfluous 30% was within 3 m. The condition has get worse since then. There was a encyclopaedic survey conducted in 1961 calculated that about 40,000 ha of land were being lost per year to agricultural production due to water logging and salinity.While these estimations have not been updated available study suggests that land neglected in severely waterlogged areas is continuing.What is left bank outfall drainage schemes The Left bank outfall drainage concept embraces major drainage and agricultural development and represents the collective efforts of Government of Punjab, Government of Sind, WAPDA, 1UNDP, international consultants, and probable co financiers, led by the World Bank.The Stage I pop out has evolved from numerous investigations and studies initiated in the mid-1960s and refined thereafter. The project was subjected to extensive professional testing and is a milestone in the Banks long-standing involvement with Indus Basin development.The LEFT depository financial institution OUTFA LL DRAINAGE SCHEME concept has been subject to intensive project forwardness during the past 20 years. The Lower Indus Project report, prepared in 1966 by Sir N. MacDonald and Partners Ltd. and Hunting Technical Services Ltd., both of the United Kingdom, contains a comprehensive plan for optimum development of agriculture in the LEFT chamfer OUTFALL DRAINAGE SCHEME area.Why this scheme is so important for Pakistani agriculture due to the irrigation conditions of agriculture Major factors in recent improvement of agriculture have been favorable weather and the affirmative response of farmers to GOVERMENT OF PUNJABs policies and programs for agriculture sector development.Land leveling in PakistanStudies have indicated that a significant (20 to 25 %) amount of irrigation water is lost during its application due to poor farm planing and uneven palm. It has been estimated that the farmers keep on applying water until the maximal point in a field is covered. This leads to over-irri gation of low-lying areas and under-irrigation of superior sight in those results in irregular supply of all nutrients to the plants besides solicitation of salts in such areas. The fields not correctly leveled, because wastage of land, low irrigation efficiencies, and eventual(prenominal) result is considerably lesser yields than the possible. Accurate Land leveling (PLL) consists of grading and planning land to a smooth level or no slope to facilitate efficient irrigation. Modernized method of carrying out PLL is by using laser equipment that helps in attaining mandatory degree of precision at lesser cost and effort. laser land leveling equipment is provided to the farmers on nominal average rental charges i.e. Rs 150/hour to 200/hour. An area of about approximately 400,000 acres has been accurately leveled in the Punjab since inauguration of OFWM program that includes over 113,000 acres leveled with LASER technology. Precision Land Leveling (PLL) is a automatic process of grad ing and smoothing the land to a accurate and consistent tabloid surface at grade or no grade (zero slope) with variation of less than 2cm. It is carried out to control irrigation application losses at the farmers fields besides other advantages. LASER technology has been proved to be plus as it minimizes the cost of irrigation operation, ensures better degree of precision in often lesser time, saves irrigation water, ascertains consistent seed germination, increases fertilizer use efficiency and resultantly enhances crop yields.Impact studies on LASER land leveling identify that itCurtails the irrigation application losses up to the extent of 25%Reduces labor requirements for irrigation by about 35%Enhances the irrigated area by about 2% by brining the number as well as space of field ditches and dikes to a lower limit* Increases the crop yields by about 20%Pakistan is considered to be the pioneer in South Asia for promoting use of LASER technology in irrigated agriculture. OFW M Punjab has tested the first laser leveling equipment in 1985. Before devolution, there were 140 LASER land leveling units available with District Governments which have been procured through donor assisted projects, respectively. One hundred units were equipped with tractors while 40 units were without tractors. These machines have accurately leveled about 125,000 acres of land. The yearly potential of available LASER equipment was about 25,000 acres per year. The major operational limitation encountered to make ample use of this equipment was insufficient availability of OM funds with the public sector.Drainage schemesThe never-ending expansion of the irrigation system over the past century drastically altered the hydrological balance of the Indus River basin. Seepage from the system and percolation from irrigated fields caused the water table to get higher, attaining crisis conditions for a significant area. Around 1900 the water table was typically more than sixteen meters b elow the surface of the Indus Plain. A 1981 study lay out the water table to be within about three meters of the surface in more than one-half the cropped area in Sindh and more than one-third the area in Punjab. In some areas, the water table is overmuch nearer to the surface. Cropping is fatally affected over a wide area by poor drainagewater loggingand by accumulated salts in the soil.Officials were conscious of the need for additional expenditure to prevent make headway worsening of the existing situation. ferocity in the 1980s and early 1990s was on rehabilitation and deliverance of existing canals and watercourses, on farm improvements on the farms themselves (including some land leveling to conserve water), and on drainage and salinity in priority areas. tension was also placed on the short-term projects, mainly to improve the operation of the irrigation system in order to lift up yields. Element of the funding would come from stable increases in water use fees the obj ective is piecemeal to raise water charges to cover operation and maintenance costs. Substantial time and money are needed to understand the full potential of the irrigation system and bring it up to modern standards.(detected)Irrigation and watercoursesIn the beginning of 1990s, irrigation from the Indus River and its tributaries comprised the worlds largest contiguous irrigation system, capable of watering over 16 million hectares. The system includes three major storage reservoirs and numerous barrages, head works and canals, distribution channels. The total length of the canal system exceeds 58,000 kilometers there are a still 1.6 million kilometers of farm and field ditches.Over the use of Indus wet there were extend disputes between India and Pakistan because partition placed portions of the Indus River and its tributaries under Indias control. After nine years of dialogue and technological studies, the issue was resolved by the Indus Waters accordance of 1960. India use of the waters of the main eastern tributaries in its territorythe Ravi, Beas, and Sutlej rivers after a ten year transitional period, the treaty awarded Pakistan received use of the waters of the Indus River and its western tributaries, the Jhelum and Chenab rivers.When the treaty was signed, Pakistan began an extended and rapid irrigation construction program, partly financed by the Indus Basin expansion Fund of US$800 million contributed by various nations, including the US, and administered by the World Bank. Several huge link canals were built to transfer water from western rivers to eastern Punjab to substitute flows in eastern tributaries that India began to redirect in accordance with the terms of the treaty. In 1967 the Mangla Dam, on the Jhelum River, was completed. The dam provided the first major water storage for the Indus irrigation arrangement. The flood control was also contributed by the dam, for regulation of flows for some of the link canals, and to the countrys e nergy supply. At the same time, further construction was undertaken on barrages and canals.The vital need in the 1960s and mid-seventies to raise crop production for domestic and export markets led to water flows well beyond designed capacities. Completion of the Mangla and Tarbela reservoirs, as well as enhancement in other parts of the system, made superior water flows possible. In addition, the government began installing public tube wells that frequently discharge into upper levels of the system to add to the available water. The higher water flows in parts of the system significantly go beyond design capacities, creating stresses and risks of breaches. However, many farmers, mainly those with smallholdings and those on the way to the end of watercourses, suffer because the supply of water is unreliable.The irrigation system represents a considerable engineering achievement and provides water to the fields that account for ninety percent of agricultural production. Nevertheless , serious problems in the design of the irrigation system avert achieving the highest potential agricultural output.LITERATURE analyseProduction Efficiency and Agriculture ProductivityAccording to research (Taylor, Drummond, Gomes, 1986) which relates to effectuality of subsidized credit programs in improving the productivity of traditional farmers in developing countries the credit program known as PRODEMATA it is concluded by empirical results suggest that PRODEMATA has had no desire impact on adept efficiency and a slightly negative effect on allocative productivity (it is defined as a theoretical measure of the advantage or utility resulting from a planned or actual choice in the distribution or distribution of resources).The poor but efficient assumption states that the provision of agricultural credit will be ineffective in improving productivity and incomes since investment opportunities are limited. Traditional farmers are hypothesized to be efficient but faced with tech nological barriers that can- not be worst by the mere influx of capital provided by credit programs solo.It is further analyzed that the economics of credit in Brazil and concluded there was an underutilization of capital on small farms and that credit would relieve capital shortages and improve output. However, in analyzing farm-level production in it is found that technological barriers were present which would prevent credit programs from having a significant impact on capital formation and incomes.Studying traditional agriculture in southern Brazil concluded that in- creased investment capital formation, such as use of mechanized equipment and fertilizer, alone is not the answer to increasing crop production. Better management,Information sources and consumption of resources are as significant and should be equally emphasized if any advantage is to be anticipated from increasing disbursement on these inputs. The entailment here is that, while credit availability may afford tr aditional farmers the opportunity to invest in modernized inputs, there is no tackle that these inputs will be used in such manner as to recognize the full level of output gains possible.It thus seems appropriate that the durability of subsidized credit in traditional farming depends on concerns of technical as well as allocative efficiency.The research above illustrated credit program named as PRODEMATA was institutedThe result was that participated in the program compared to those of nonparticipating farms indicate that the program wa

Tuesday, April 2, 2019

The Process Of Learning A Musical Instrument Education Essay

The overhaul Of learnedness A Musical Instrument Education EssayThe influence of learn a musical actor has changed a the great unwashed in the recent years, and it is e rattling thanks to the profit. Before websites with sufficient breeding on how to learn wee-wee first come to deliver, young adepts of the guitar arts could only count on themselves. Finding and acquirement their favorite song was not depend qualified a hardly a(prenominal) clicks away, and utilize such music softwargon as Guitar Pro was not quite an option as it simply did not exist. The briny challenge was to learn the found song using only their hear and then transcribe it. This attainment bidding involved good aural and transcribing skills and could only be developed by transcribing new songs. At that cadence books were in semiprecious source of association.Things look way different now. at that place ar thousands of websites with a variety of corporeals. But which way of learn would be t o a greater extent beneficial to the learner?This paper exit try to examine how the diverse ways of erudition r each(prenominal) evolved in the ago couple decades and how oft influence on them has Internet, and the sources it provides, had.Here ar a few examples just to illustrate advantages and disadvantages of the Internet in the attainment butt there argon a lot of functionful resources such as DVDs, music softw be, trade tracks, aural tests only when on the some other hand the vast flak world power poses the danger of treating the Internet as a primary source of acquaintance whereas its content merchantman approximately(a) eons be misleading because a lot of online tutors lack formal teaching qualifications. Finding reading doesnt require some(prenominal) effort and limits the learner to thoughtless consumption of unnecessary entropy, additionally theres no place for research which is everlastingly crucial in the culture process. The Internet to a fault la cks the aspect of an interaction with other musicians which is vital when it comes to developing peerlesss musicality. in that respect are a lot more arguments for and against the Internet as a teaching resource. In my speech I impart test and read these two different cultivation processes in assign to establish how they buzz off evolved since the times when Internet teaching resources didnt exist on such a vast scale up until now.INTRODUCTIONIn this paper, I leave behind cover and respect how the guitar nurture process has evolved over the past 30 years. I volitioninging present, analyse and compare two different approaches to encyclopaedism guitar. For the purpose of this study, the first approach entrust be referencered to as conventional and the import one lead be known as modern-day, e- acquisition or online education. It is crucial to con posturer the difference between the two.The traditional approach to learning guitar all important(p)ly dominated in the pre-Internet era of 70s and 80s, when teaching resources were very limited. However, in no way did the restricted availability of teaching materials affect assimilators willingness to research and learn the new instrument. It was just the specific approach towards companionship science that was very different to the one that we know and are use to nowadays. wherefore my main focus will be on researching the pre-Internet times, which I refer to as the classic rock era, in order to examine and assess the guitar learning methods of that period.The modern approach to learning guitar has first come to the picture with the arrival of the Internet. The Internet revolutionised and reshaped the whole guitar learning model. Unlimited teaching resources (online lessons, videos, instructional DVDs, YouTube, digital sheet music) are just a few clicks away. Students are no longer ask to leave their bedrooms to be fitted to pass water musical knowledge. With the vast availability o f technologically advanced software and equipment everyone sewer effortlessly learn an instrument. But is the previous sentence entirely legitimate? Is it possible to learn an instrument and develop ones musicality with come in interacting with other musicians? Again, I will research the area of the e-learning process in order to conduct word and assess what effects, if any, it has on modern musicians and to be able to answer the in a amplyer place interrogative moods.To before long summarise, there are two major hassles my dissertation will addressThe differences between the modern instrument learning process and the one of the classic rock eraBy contrasting the two supra processes I will decide which one is more beneficial to the learnerSome of the research questions this paper will examine and answer areHow important is it to learn an instrument and develop ones skills and musicality by interacting and performing with other musicians (the traditional approach)?Is the sol itary way of attaining knowledge with the help of modern technology and the Internet more supportive in the learning process?Does the kind aspect of group learning associated with the traditional approach make for an important role in the guitar learning process?To answer these questions I will conduct a sociological analysis of this matter using open books on the importance of team pee in the learning process and other necessary sources. This analysis will allow me to understand how the two contrary learning methods work under various social circumstances and will help me to arrest which of the studied methods is more valuable to the music disciple.Furthermore I will conduct a feed of adequately structured and in-depth interviews with current tutors who were either educated back in the 70s or in the modern Internet era. It will shed some light on the issues I am concerned with and will help to determine the usefulness of the two tested learning methods. Some admonitory que stions I might ask are Was the lack of teaching resources a discouraging or motivating factor in the guitar learning process?, What kind of research methods did you use to obtain the essential information undeniable for the learning?Additionally I will write a gip questionnaire for the current music students, which will be inclusive of simple scarcely disporting questions that will attract the moveents attention. The aim of this survey will be to assess young learners views on the usefulness of the Internet as a teaching tool and to determine how the online learning translates into students ability to function in the real music world.In order to illustrate the aims and objectives of my dissertation, I will answer a few simple questionsWho will benefit from my investigation?My main aim is to determine, by analysing and comparing two well-known instrument learning approaches from two different time periods, how the beginning guitar players can get the or so out of guitar lessons .In what sense will they benefit? first I will combine the final dissertation outcomes together, then I will apply these findings to some problems and issues the new student faces objet dart learning an instrument. As a conclusion, I will try to work out the trump approach to learning guitar by evaluating the results of my research.In what sense will my contribution add to what is already known?To address the main dissertation question (which of the two learning methods is more beneficial?), I will conduct research that is primarily based on interviews and questionnaires. After compendium and analysing all necessary info, I will compare the significance of my findings against the already existing data and establish how my study can contribute to what is already known.What are the constraints or limitations of the study?The major limitation is the fact that it is well impossible to find academic books with sufficient information about guitar learning methods back in the classic rock era, therefore primary data will be collected from interviews with tutors of the 70s.The followers paragraph will briefly describe the content of this dissertationThe first chapter will consist of a review of what is already known and of the main problems and issues. It will cover past research and studies from pertinent books and magazines. It will similarly summarise what other researchers provoke written and print slightly the topic of my study. Critical judgment will be used here to present my opinions on relevant issues.The second chapter will describe and evaluate methods and techniques of research used for the purpose of this paper. As mentioned before, it will mainly consist of interviews and questionnaires. The reason for using such methods will also be justified in this section.In the third section, a comparative study of two contrary guitar learning processes along with the data obtained in the previous section will be presented. Arguments and counter-arguments will also be contrasted in this chapter.In the fourth section, dissertation findings will be interpreted. The difference between my findings and those of other people will also be presented.The last chapter will consist of a summary of main findings and conclusions.Bibliography will be included.CHAPTER 1traditional approach vs. modern approachTraditional approachThe first chapter will consist of a review of what is already known and of the main problems and issues. It will cover past research and studies from relevant books and magazines. It will also summarise what other researchers have written and published around the topic of my study. Critical judgment will be used here to present my opinions on relevant issues.There are legion(predicate) publications available on the Internet that describe advantages and disadvantages of online and traditional learning, however, its not but been proved which of the above-mentioned learning methods is more efficient. Although there arent eno ugh findings that would determine superiority, equivalence or non-inferiority of one approach to other, one can fence that the modern approach is not a replacement for the traditional learning process. Undoubtedly, there are countless benefits associated with e-learning however, there are a few aspects of it that seem to be problematic when present side by side with the traditional learning. What the modern guitar learning process certainly lacks is the ability to hurry group interactions which are the crucial part of music tuition. It might be possible, with other branches of knowledge, to eliminate the interactive part of learning but when it comes to music, its super unlikely for a music student to perform well when the collaborative factor is omitted. It is commonly known that students tend to attain knowledge most powerfully when they are given the opportunity to interact with other students. such(prenominal) interactions among students also help to develop strong group problem work out skills. For that reason, the importance of meeting students learning peers, exchanging ideas and sharing common musical experiences can never be underestimated.In an early stage of musical education, it is always advisable to provide young students with proper guidance from tutors. Carrying out the initial study through the opposite approach allows creating more controlled environment for children to be taught in. Of course, it should not be assumed that the more controlled environment and guidance are not achievable through the process of online learning, but the fact, that there is very little control, which a teacher wields on a student, might rede the superiority of the traditional learning over e-learning. Teachers guidance is there to help students explore their limitations and objectives and also increase their motivation and provide opportunities for students to share their own(prenominal) learning goals and objectives.While discussing the two tested lear ning methods, there is another important issue that needs to be taken into consideration. In order to fully engage in any form of Internet-based learning activity, a student must absolutely have a very high motivation. Its mainly due to the fact that the link between a student and a teacher is missing in this type of learning environment. This problem does not seem to occur with the traditional learning process, where a tutors main responsibility is to encourage and reinforce rough-and-ready study habits of students. Another important aspect of the face-to-face mode, rarely achievable with other learning modes, is the students ability to recognise their strengths and limitations and understand their learning goals and objectives.A further problem, the learner faces while utilising the Internet for educational purposes, is the overwhelming amount of information and knowledge available online in an instant. Accessibility of all imaginable knowledge should predominantly be regarded as an improvement but there are also some evident disadvantages associated with it. For young music students, such vast amount of knowledge and data is simply unmanageable. Indisputably, learners taking first steps in music education need to have well-developed analytical, organisational and learning resources skills in order to be able to filter through and select the right resources for learning. Obviously, the child learning an instrument is not expected to possess such complex skills, so this is why the personal guidance from a tutor or learning peers cannot be substituted with the Internet.Modern approachIt is without a doubt that the overall interest in online education has grown tremendously in recent years. However, the question that needs to be asked here is how effective online learning is compared to traditional learning. There are not many findings that could unambiguously answer this question but a very recent study, published in 2009, suggests that online learners perfor m middling better than students in traditional face-to-face classrooms (Church 2009).This study was conducted by SRI multinational for the US Department of Education. It analysed research that compared online and conventional learning at institutions of higher(prenominal) education between 1996 and 2008 (Means 2009).The key finding of this study, as interpreted and presented by Jodi Church (2009) in an article entitled Is online education more effective than traditional learning?, shows that students doing partial or all course work online rank, on average, in the 59th percentile, meaning better than 59% of all those who were scored whereas students in traditional classrooms ranked in the 50th percentile.While analysing these findings, it can be rightly assumed that traditional learning is not necessarily the best way of maintaining a learning process. For that reason, e-learning models are regarded as good educational models that constantly evolve and improve, offering music stud ents better tools and opportunities to achieve their educational goals.But how can we define a good educational model? A good educational model must be able to provide the student with satisfactory learning environment, in which they are able to think by themselves, to be fictive and original, to solve problems and to interact with their purlieu in a collaborative way. With its flexibility, accessibility and convenience e-learning seems to be the ideal way to develop these objectives (Rashty 2001).Referring to past studies on online learning David Rashty (2001) points out that students have expressed higher satisfaction from the computing machine-mediated learning, and rated the learning as more effective than in the traditional framework.A further analysis of the modern approach reveals a number of characteristic features of this model, which are superior to traditional learning. These are listed below Active learning and its main advantages (Rashty 2001) It requires the learne r to be intensely involved in the learning process, which is due to the use of a computer and a physical involvement in gathering and sending information It requires the learner to be socially and cognitively involved in the learning process, as a direct result of the need to discuss with and respond to other online learners It enhances and magnifies the attainment of knowledge and requires the learner to be able to train and analyse the information It is not time-restricted, so it allows the learner enough time for developing complex concepts and digesting the information It allows the learner to control the learning process It allows receiving and processing information at convenient times It requires learners responsibility and green light in advancing in the learning process and forwarding knowledge Creative thinking as an important element of online learning (Rashty 2001) Online learning (OL) improves the learners ability to seek out gaps in information, to propose, examine a nd improve ideas and to discuss the results OL enhances learners creativity by encouraging him/her to take risks and to commit to tasks OL supports learners curiosity and desolation to new ideas OL enables the learner to degagely express himself/herself in an environment that is free from many psychological inhabitations existing in the traditional classroom OL enhances the learners creative thinking processes by utilising the Internets developing technology and its tools for the purpose of gaining and processing information Creative thinking (Rashty 2001)There are various techniques, which have been put to use in learning throughthe Web which encourage the development of critical thinking. Critical thinking wasintended to enable a survival of the fittest of information, the ability to choose among severalsolutions, the ability to assess the force of a given argument, and the ability to reachdecisions. The critical thinking grows stronger also following use of graphics andhyperte xt, which refine the hierarchy and logical structure of the concepts on theWeb.The process required from the student when searching for information on theWeb, which includes define the query, carrying out the search operation,examining the results and sifting and pinpointing the question, also refines thestudents critical thinking.Any other operation by which the student identifies main points, searches forcause and effect, finds patterns and relationships between data, creates a timetable,examines costs versus products all these are also actions which refine thestudents critical thinking.eLearning also includes advantages which are not found in traditional learning, such as time for digesting the information and responding, enhanced communication among the learners, both as regards woodland and as regards urgency, knowledge being acquired and transferred among the learners themselves, the ability to conduct an open discussion, where each learner gets more of an equal standing th an in a face-to-face discussion, access to information and to discussion ability, responses may be made around the clock with no restrictions, a higher motivation and involvement in the process on the part of the learners.The very use of technology for learning has been found to have a positive effect on the students loyalty to the learning process. Also, use of technology creates a greater commitment on the students part to learning.The following table summarizes several opinions regarding the comparison between traditional learning and eLearningTraditional LearningeLearningClassroom DiscussionsThe teacher usually dialog more than the studentThe student talks at least as much as or more than the teacherLearning coverThe learning is conducted with the whole class participating there is almost no group or individual studyMost of the learning process takes place in groups or by the individual student.Subject occasionThe teacher conducts the lesson according to the study program an d the existing curriculumThe student participates in determining the subject matter the studying is based on various sources of information, including web data banks and net-experts located by the student.Emphases in the Learning ProcessThe students learn what and not how the students and the teachers are busy completing the required subject matter quota the students are not involved in inquiry-based education and in solving problems, but rather in tasks set by the teacher.The students learn how and less what the learning includes research study which combines searching for and hoard information from web data banks and authorities on the communications network the learning is better connected to the real world, the subject matter is richer and includes material in different formats.MotivationThe students motivation is low, and the subject matter is nonadjacent from them.The students motivation is high due to the involvement in matters that are close together(predicate) to them a nd to the use of technology.Teachers RoleThe teacher is the authorityThe teacher directs the student to the information. lieu of LearningThe learning takes place within the classroom and the schoolThe learning takes place with no fixed locationLesson StructureThe teacher dictates the structure of the lesson and the division of timeThe structure of the lesson is affected by the group dynamics.

Monday, April 1, 2019

Carbon Fiber Reinforced Polymer (CFRP) Uses and Properties

Carbon Fiber Reinforced Polymer (CFRP) Uses and PropertiesCFRP vitamin C reference reenforce polymerUrvish GajjarIn the end of 1800s archetypal eon Edison utilize the automobilebon fiber in the electricity bulb. CFRP- carbon fiber reenforce polymer is a maven lawsuit of the carbon fiber. Edison mathematical functiond the fiber into the chain of bulb that he was unsuccessful because his fiber produced by carbonisation of cellulose stand such as cotton or from bamboo. Because of the not secernicular(prenominal) design and not specified properties his fiber was failed. Then after that sentence the research was start on fiber and in the middle of the nineteenth ascorbic acid carbon fiber used in insulation or in postgraduate temperature furnaces and in the industries like chemical sets and mechanical plant where we need rough vividness bodily. Before end of 19th century the increment shows in the carbon fiber field of view when the manufacturing process actual ac tu exclusivelyy well and allows for high modulus and high powerful fiber the reinforced process apply to the fiber and then they find the new type of carbon fiber which is CFRP.In Japan, first date work through with(p) in the CFRP field by 3 scientist of Japanese bureau of industrial technology. They were using poly acrylonitrile PAN in the found visible to cause carbon fiber this fiber had a high degree of molecular orientation. Then from that age the improvement is in process and now a days we can use PAN is major secular in common use. The high stiffness and strength properties and low mass of CFRP confuse lead to much use in the aircraft and other industries. In 1977 CFRP use as skins in the aircraft. It was used in the vertical fin niche and leading edge in the F-16 air force aircraft. CFRP has a very different properties wholeness of its property is a very low co-efficient of thermic expansion thats way it can used in put air craft because space aircraft has bee n work in the galaxy and in that location the temperature is between -110c to90c. Then in the 1980 CFRP was taken as reinforcement to slopped then concrete beams then they batch use carbon fiber polymer in reinforced process and got the CFRP. So thats a inadequate past ab intrust away the carbon fiber reinforced polymerIn the synthesis or in making of the structure of CFRP in this intricate more than two strongs can be use so in the first step one somatic can be take as a basic or supporting matrix and at that time the second fabric build a structure on that base and reinforced the the hall corporal . this process is a very labyrinthine and high-priced .this hall process can be work beneath the certain temperature and pressure . After this process an epoxy can be filled out on the base material and make a hard and strong material then after the material cooled out . the mixture can produce by fiber of the different material in the main matrix. This way we can produce t he CFRP from the carbon fiber. common fig tree 1. CFRP bond viewIn the Fig 1 we can operate the large view from the gap of the two seam and how to build the layer of the polymer. In the aircraft the part of the aircraft need a strong tensile strength and the need the material which can not react on the environmental condition. So CFRP satisfy all this condition so it can be easily used in the aircraft industries for making the wings, tail of the aircraftFor aircraft most classical is the properties of the material which is used in manufacturing of aircraft because if the material has not sufficient properties think to aircraft it can be fail in future . CFRP is a one type of composite material. So it has a mixture of the two material so, it has two different kind of properties of two different material. CFRP has two part one is matrix and another is reinforcement. Second part is fiber so they give a high strength and first one is polymer which give a rigidity.In that because of carbon fiber CFRP has a high modulus of elasticity. And also rent a low density, high tensile strength and last one is most important which low chemical reaction which is most profitable properties for aircraft material. Fiber has a many different type of composite material but CFRP is a special one because it has a many coercive properti9esw and many advantage given composite material the start with its advantage CFRP is a very strong material but with the super light weight it has been used in internal part of aero cream and cars structure. The well(p) thing about the CFRP is it has a high strength, rigidity, resistanc3e and low corrosion. so thats way it is use in discordant important structure component. There are in composite material other material also harbor a good properties but CFRP is bring to pass in specific condition so because of that reason CFRP has a good properties then other composite material .especially in field of aviation and space lights. This reinfo rced polymer s are the incredible electric potential see on other benefits of this material is that it is a low caloric expansion so it cannot more contract orexpand in such a different thermal condition.CFRP is a little corrosion properties because when the material manufacture with the specific resins, carbon fiber is used ant this one is a most corrosion resistance material so it is a less corrosive. We see the different advantage of CFRP is durability, radiolucency, electrical conductivity and ultra-violate resistance. CF is vapourish to radian and invisible in X- rays so CFRP is radiolucency. Every material has a benefits and a drawback. CFRP also have some disadvantages. This material is very costly and its structure is very complicated and complex. It is a creep, low flexibility and crispiness material. In its disadvantage one of the major is that in the manufacturing time if at that place some mistake happen or process run improperly themn the hall material is useless and we can not use that material any more. So in its production time have to very carefull and we need special skilled worker.CFRPs uses are cast up day by day because now a days people need a reliable and easy accessable products. CFRP is a l0ow weight and good properties so people used this composite material in different field . In aerospace industries there are highest use of this material In past first aircraft made by composite material in that almost half percent material is CFRP. Then the branded car rolls-royce also use this material in that cars and bow a days in automotive, civil thats all engineering field extend the use of the CFRP. If we see the different field like a sports , practice of medicine and kitchen thaqts goods are make from the CFRP. In in future in this world mostly products are make from the carbon fiber. Second, in aesculapian field dentist use the machine for operation thats all are made from carbon fiber. So, we see small part of machine to Hugh a ircraft all where we use this material.Fig. 2 composite material used in aircraftSourceeducare-zone.blogspot.comIf we see from environment engineering site, the nature is give a high thinking and attention from todays community. This is right for composite material as well. As we see ahead , that composite material is a light weight and high strength, thats affect the environmental but it is low compare to real material like steel. Yes some time if we make a wrong composition for material that time its affect the nature .polymer is only affect by its befoulment not other way. So, at last, CFRP is a good composite material if we use it perfectlyReferencesHistory of carbon fiberhttp//www.hj3.com/company/history-of-carbon-fiber/Sarah Lynn Orton. outgrowth of CFRP system UMI Ann Arbor, USA September 2007Dr. Joseph Kuruvilla , CFRP composite-preparation , properties and app , Wiley-Vch verlag Co. , March 2012http//www.studymode.com/essays/Advantages-And-Disadvantages-Of-Carbon-Fibre- 1775287.htmlhttp//educare-zone.blogspot.com/2013/12/basic-workshop-technology-engineering.htmlHinton M.J, Failure Criteria in Fibre-Reinforced-Polymer Composites The World-Wide Failure Exercise journal , online published on 2004.1

Drug safety assessment

Drug natural rubber judgementINTRODUCTIONPre-clinical studies or pre-clinical trials ar really important stage of research in drug teaching process. Pre-clinical trials atomic number 18 as well as known as non-clinical safety assessment. The main purpose of carrying come out of the closet these studies is to ensure that the campaign compound is safe before quizing in humans (clinical trials), characterise toxicity and target organs, to fulfil regulative requirements and to value employees in manufacturing. In other words, forest, safety and efficacy of a see compound be look outd during pre-clinical studies. Animals such as rodents (mice, rat) and non-rodent (monkey, dog) atomic number 18 use in pre-clinical trials before administration to humans (clinical trial phase) so as to separate efficacy from toxicity in human volunteers. The international conferences on harmonisation (ICH) for drug development ar regulatory authorities which will operating instructions for development and registration of new chemical entities (NCE) likewise instructions for carrying out assessment in animals. The concept of the 3Rs (Reduction, Refinement and Replacement) is widely diligent by ICH for pharmaceutical industries to comply. This concept is employed so as to tailor the numbers of animals and also to avoid prolonged testing period. Anti-arthritis drug argon used to treat arthritis (inflammation of joints). Important pre-clinical tests involve entangle cosmopolitan toxicology, safety pharmacology, fruitful toxicology, carcinogenicity studies and hereditary toxicology .PRE-CLINICAL TESTSTest for CarcinogenicityCarcinogenicityThe carcinogenicity hire evaluates the carcinogenic potential of the compound. During pre-clinical studies, animals be used firstly so as to realise the potential encounter of the anti-arthritis drug in humans. In commit to evaluate carcinogenicity, two types of studies be conducted which ar the short- bourn study and the long-term study. The short-term study involves exploitation the iv transgenic models. The four transgenic models used are inactivated tumour suppressor gene (p53+/- model), activated oncogene (Tg.Ac model and rasH2) and inactivated DNA repair gene (XPA-1-model). The genetic alterations of the four transgenic models are made in relation to carcinogenesis processes. The long-term study involves the use of mice or rats of both sexes and is ordinarily a two historic period study. The correlation between rats to humans is well-nigh 70% and is more smooth making them the major specie of animal used for the long-term carcinogenicity studies. Spragne-daweley has senior high school chances of survival and as a result, these strains of rats are required for the 2years bioassay. Treated animals are divided into three groups each containing about 50-100 animals per sex. In rats, the treated groups are observed for 24months while 18months in mice. Large numbers of animal are used for th is study because continuous dosing of the drug could induce tumour and also to achieve a strong statistical result. Furthermore, non-genotoxic carcinogens nookie cause well-nigh rodent strains to be susceptible to tumour induction and in order to distinguish rodent specific processes related to human, understanding carcinogenesis mechanisms based on the specificity of tissues is very vital.Genotoxicity TestGenotoxicity test is carried out so as to determine whether the anti-arthritis drug can cause genetic distress. The genotoxicity test required include swipe lymphoma assay (MLA) otherwise known as in vitro mammalian cell clastogenecity, the Bruce Ames test (Ames test) and mouse micronuclei assay. These tests happen upons whether the anti-arthritis can cause alterations in chromosome and damage to DNA leading to genetic mutation and ultimately results in malignant tumour (cancerous cell).The Ames test is commonly used for the genotoxicity test and it detects whether the drug i s genotoxic. This occurs by causing back mutation in bacteria colonies and it takes up to about 48hours . Gene mutation, clastogenecity of a genotoxic compound and chromosomal aberrations are determined via the mouse lymphoma assay (MLA) or in vitro mammalian cell clastogenecity. The MLA requires between 2-3weeks and can either give a negative result to the Ames test or not detected at all. An additional test used in genotoxicity testing is the mouse micronuclei assay which is an in vivo study. This is required because regulatory authorities (ICH) requires both in vitro and in vivo test. The process of ADME of the anti-arthritis drug is used to detect genotoxicity via the mouse micronuclei assay. After performing all the three tests discussed and the anti-arthritis drug stiff positive to all, then the drug is probably carcinogenic to humans.Test for pipe organ Toxicity and Biochemical DysregulationSafety PharmacologySafety pharmacology of the anti-arthritis drug is required to dete ct target organ toxicity such as cardiovascular, central nervous, respiratory, renal and gastrointestinal system. Rodents (such as mice and rats) and non-rodents (such as guinea pigs and dogs) are required or used for safety pharmacology test. Rats or mice are required for CNS and respiratory studies while dog is required for cardiovascular studies. The pharmacological activity of the anti-arthritis drug is determined by carrying out the ligand cover song assay which makes in vitro studies preferable to in vivo studies. In safety pharmacology studies, the animals are divided into four groups, three treated group and bingle control group. The maximum number of rats required per group is fifteen and four dogs group. The duration of dosage in safety pharmacology studies is usually one month . The ICH (S7A) perspective on cardiovascular safety pharmacology required core assault and battery studies and follow up studies. nigh of the core battery studies include heart rate, electroca rdiogram and blood pressure must be evaluated. In vitro and in vivo evaluations, conductance abnormalities including methods for assessing repolarisation must be put into consideration . Some of the follow up studies include vascular resistance, cardiac output, the effects of exogenous and/or endogenous compound on the cardiovascular responses and so on .General Toxicity studiesGeneral toxicology test is required for dose finish for No observed effect level (NOEL). The acute toxicity test is also known single dose toxicity and is required to assess biochemical dysregulation and also to determine the levels at which the anti-arthritis drug could cause an indecorous reaction. The animals used for general toxicity test are rats and dogs and are usually dosed between 14-28days. Change in organ weight, histopathology, mortality rate, clinical pathology and necropsy are the parameters required to assess toxicity.General toxicology must be do before one month of fruitful studies.Repro ductive Toxicity StudiesThe shoot for of reproductive toxicity studies is to reveal any effect of the anti-arthritis drug on mammalian reproduction. Rats and rabbits are the most commonly used and widely real animal. Rabbits are used because semen is easily collected. The ICH study design for reproductive toxicity studies include natality and early embryonic development to implantation (rabbits dosed from day 6-18, rats dosed from day 6-15), organogenesis otherwise known as embryo-foetal development and pre and post-natal development (treatment last for 15gestation days and 21lactation days).The study design for fertility and early embryonic development studies requires four groups of 20males and 20females animal. Also, the study design for embryo-foetal development generally have four groups of 20rats or 20rabbits and ICH require evaluation of 16 to 20litters to provide a degree of consistency between studies 8 9 12 13 14. Information derived from acute and repeated dose toxici ty studies of at least one month are required before reproductive toxicology.ConclusionPre-clinical studies must be carried out before clinical trials so as to protect human volunteers. All the studies described above determine how competent the anti-arthritis drug is before proceeding to clinical trials. All the regulations provided by ICH are widely used most especially the concept of 3Rs. Safety, quality and efficacy are the main objectives for carrying out preclinical studies. Some of the test required during preclinical studies includes carcinogenicity test which involves the short term and long term studies, genotoxicity test, reproductive test, safety pharmacology, renal toxicity test, cardiovascular toxicity test, general toxicity test and neurotoxicity test (functional observation battery test).REFERENCESICH harmonised three-way guideline, Dose selection for carcinogenicity studies of pharmaceuticals S1C(R2).Available at http//www.ema.europa.eu/pdfs/human/ich/038395en.pdfI CH harmonised multilateral guideline, Guidance on specific aspects of regulatory genotoxicity tests for pharmaceuticals S2AAvailable at http//www.bcg-usa.com/regulatory/docs/ich/ICHS2A.pdfICH harmonised tripartite guideline, Safety pharmacology studies for human pharmaceuticals S7A.Available at http//www.tga.gov.au/docs/pdf/euguide/ich/053900en.pdfG.B. Jena et al., 2001, Genotoxicity testing, a regulatory requirement for drug discovery and development tinge of ICH guidelines, Indian Journal of Pharmacology.David J. Tweats 1998, Impact of ICH guidelines on genotoxicity testing, PSTT Vol 1, No. 5.ICH harmonised tripartite guideline, guideline on the need for carcinogenicity studies of pharmaceuticals S1A.Available at http//www.bcg-usa.com/regulatory/docs/ich/ICHS1A.pdfGuideline for industry, The need for long-term rodent carcinogenicity studies of pharmaceuticals.Availableat http//www.fda.gov/downloads/Drugs/GuidanceComplianceRegulatoryInformation/Guidances/ucm074911.pdfICH M3 Timi ng of pre-clinical studies in relation to clinical trials (see safety topics). Available at http//www.ich.org/cache/compo/276-254-1.htmlPreclinical toxicology Points to consider in programme design.Available at http//www.pacificbiolabs.com/preclinicalJames L. Stevens, (2006). Future of toxicology mechanisms of toxicity and drug safety where do we go from here? Chem. Res. Toxicol., 19, 1393-1401.Yasuo Ohno, (2002). ICH Guidelines-Implementation of the 3Rs Incorporating Best scientific Practices into the regulatory Process. Regulatory Testing and Animal Welfare. ILAR Journal V43 Supplement 2002. chitchat notes by Dr Jean-Pierre Valentin, Director Safety Pharmacology, Safety Assessment UK, AstraZeneca.Lecture notes by Dr Lorna M. Burns, Sequani limited, Ledbury, HerefordshireLecture notes by Dr M. Kelly.