نتایج جستجو برای: using cochrans formula

تعداد نتایج: 3451729  

Journal: :iranian journal of pharmaceutical research 0
b jannat mr oveisi n sadeghi a behfar m hajimahmoodi f jannat

infant formula has a fatty acid composition that meets the needs of the neonates for unsaturated fatty acids.these fatty acids are of major importance during this period of life in which the brain and retina are developing, and will therefore have an influence upon visual acuity and learning abilities. oxygen reacts readily with unsaturated fatty acids, so that every time these compounds are ha...

Journal: :International Journal of Advances in Scientific Research and Engineering 2018

Journal: :NIGERIAN ANNALS OF PURE AND APPLIED SCIENCES 2019

Journal: :Journal of Marine Science and Engineering 2021

Breaking waves generated by wave shoaling in coastal areas have a close relationship with various physical phenomena regions. Therefore, it is crucial to accurately predict breaker indexes such as breaking height and depth when designing structures. Many studies on been carried out, many experimental data documented. Representative provide empirical formulas for the prediction of index, mainly ...

Journal: :Journal of Computational Physics 2018

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده ریاضی 1390

abstract: in the paper of black and scholes (1973) a closed form solution for the price of a european option is derived . as extension to the black and scholes model with constant volatility, option pricing model with time varying volatility have been suggested within the frame work of generalized autoregressive conditional heteroskedasticity (garch) . these processes can explain a number of em...

2017
Andriy Malovanyy

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Journal: :The British journal of radiology 1976
F M Khan V C Moore S H Levitt

In the treatment of superficial lesions with 8-13 MeV electrons, lead shields are often used to protect the underlying tissue. Measurements were made with film and ion chamber to analyse various aspects of external and internal shielding in electron beam therapy. Data were obtained on the thickness of lead required for shielding, the effect of blocking on dose-rate, electron-backscattering from...

Journal: :iranian journal of pharmaceutical research 0
roya khosrokhavar food and drug laboratory research center, ministry of health and medical education, tehran, iran. food and drug control laboratories, ministry of health and medical education, tehran, iran. mir-jamal hosseini departments of toxicology and pharmacology, school of pharmacy, zanjan university of medical sciences, zanjan, iran. departmants of toxicology, school of pharmacy, shahid beheshti university of medical sciences, tehran, iran. shahram shoeibi ood and drug laboratory research center, ministry of health and medical education, tehran, iran. food and drug control laboratories, ministry of health and medical education, tehran, iran. behrooz jannat food and drug laboratory research center, ministry of health and medical education, tehran, iran. food and drug control laboratories, ministry of health and medical education, tehran, iran.

determination of drug residues in food is of great importance due to their toxicity. long-term exposure with low level of drug residues could be important, especially in children. based on document study, oxytetracycline (otc) is a prophylaxis and treatment agent for great number of diseases and possesses a broad spectrum activity against many pathogenic organisms and can be toxic or cause alle...

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