نتایج جستجو برای: an experiment was carried out using a completely factorial

تعداد نتایج: 15221938  

Journal: :علوم دامی ایران 0
فاطمه عزیز علی آبادی دانشجوی سابق کارشناسی ارشد، گروه علوم دامی، دانشگاه گیلان، رشت، ایران حسن درمانی کوهی دانشیار، گروه علوم دامی، دانشگاه گیلان، رشت، ایران مهرداد محمدی دانشیار، گروه علوم دامی، دانشگاه گیلان، رشت، ایران

an experiment was conducted on 240 one-day old ross 308 broiler chicks using a completely randomized design in a 2×3 factorial arrangement with two levels of nano-adjuvant (with and without) and three levels of dietary protein (low, medium and high) during a 42 d experimental period. the main effect of protein density on feed intake was significant during the starter and grower periods (p

Fatemeh Rahimian Hamid Reza Eisvand,

High use of synthetic pesticides has detrimental effects on the environment. An alternative option is application of natural pesticide compounds. The aim of this study was to evaluate the possibility of replacing Vitavax with savory essential oil to inhibit physiological damages to wheat (Triticum aestivum L.) seeds caused by Fusarium oxysprum. A pot experiment was carried out on wheat seeds as...

ژورنال: علوم آب و خاک 2001
سمیع, عبدالحسین , پوررضا, جواد , کریمی, احمد ,

This experiment was carried out to study the effects of supplemental Cu (0, 100 and 200 mg/kg) and vitamin C (0, 400 and 800 mg/kg) on cholesterol and other blood components in broiler chicks. A total of 360-day-old chicks in a completely randomized block design in a factorial arrangement were used. At 56 days of age one male and one female from each pen were selected, slaughtered and blood sam...

B. Edrisi M. Amiri M.A. Khalaj

Plant spacing and nitrogen are the most important factors for increasing tuberose quality and quantity. In this study, field experiment carried out as factorial Randomized Completely Block Design (RCBD) in 3 replications. Different levels of nitrogen (0, 50, 100, 150, 200, 250 kg/ha) of ammonium nitrate was used. Second factor was different plant spaces (10, 15, 20 and 25 cm). Results showed th...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور مرکز - دانشکده زبانهای خارجی 1391

the primary goal of the current project was to examine the effect of three different treatments, namely, models with explicit instruction, models with implicit instruction, and models alone on differences between the three groups of subjects in the use of the elements of argument structures in terms of toulmins (2003) model (i.e., claim, data, counterargument claim, counterargument data, rebutt...

آروین, سید محمد جواد, بهره مند, نادیا, نادری, سمیه,

Abstract Unsuitable concentrations of herbicides, lack of weed control and the severe damage to the plant will cause . Plant growth regulators can play a role in reducing damage . For this purpose, in shahid  Bahonar University research greenhouse two experiment was carried out in 1391. The first experiment in a completely randomized design includes selective herbicides in five level, haloxy...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد شاهرود - دانشکده پزشکی 1390

nitric oxide (no) is a small molecule synthesized by most of mammalian cells with diverse biological activities including vasodilatation, host defense and wound healing. impaired wound healing is a common occurrence among diabetics and patients receiving glucocorticoid therapy. on the other hand the application of laser in biomedical area have been increased. thus, the current studies were desi...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اراک 1388

the world wide web becomes very popular recently and plays an influential role in english learning. by burgeoning role of source-based writing as partial fulfillment of tefl courses and vast use of the internet, lack of empirical studies to explore these areas is obvious. this study aimed to explore the effect of the amount of familiarity with the web (internet literacy) on junior english stude...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1389

in the past couple of decades sociocultural theory of sla and its implications in efl contexts have attracted attentions of research circles worldwide and aroused some controversies. firth and wagner (1997) have questioned the principles of the cognitive view which gives importance to mental constructs in favor of sociocultural view which highlights social and contextual constructs. but if soci...

In order to evaluate the allelopathic effect of aqueous extract of nine weeds species on Anise (Pimpinella anisum) seed germination and seedling growth characteristics, an experiment was conducted in the Laboratory of Yasouj University in 2014. This experiment was carried out as factorial with the aqueous extracts of nine weeds species, as the first factor, in different concentrations (10, 20, ...

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