نتایج جستجو برای: 1 and growth rate 031 009 day
تعداد نتایج: 17397894 فیلتر نتایج به سال:
BACKGROUND AND OBJECTIVES: Bioenergy is a phenomenon that has attracted humans’ attention for about a century. The desirable biological properties of chlorella sp.microalgae have turned it to one of the most ideal options for the production of biodiesel. However, the economic issues must be taken into account in its industrial scale production. The present study aims t...
In this study, the effect of experimental diets containing different levels of carbohydrate and niacin on growth indices, carcass composition and heamolymph biochemical parameters of juvenile whiteleg shrimp (Litopenaeus vannamei) were investigated for 45 days. Shrimp with mean initial weight of 5±0.33 g were reared in 300 liter tanks with 8 treatments. Feeding was performed 4 times a day using...
BACKGROUND: Nutrient management plays an important role for obtaining satisfactory yields and to increase crop productivity. Also keep soil moisture under drought stress is an important factor to produce economical production, so super absorbent polymer has great role to achieve mentioned goal. OBJECTIVES: Present study was conducted to evaluate the effect of ...
abstract the current study set out to address the issue as to whether the implementation of portfolio assessment would give rise to iranian pre-intermediate efl learner autonomy. participants comprised 60 female in pre-intermediate level within the age range of 16-28.they were selected from among 90 language learners based on their scores on language proficiency test -key english test. then, t...
This study was performed to evaluate the efficacy of injection of essential oil of Eugenia caryophyllata in the kid horn buds, as a new chemical technique for disbudding. Five-day-old healthy goat kids from both sexes (n = 16) were divided randomly into 4 equal groups. In groups 1, 2 and 3, 0.2 mL of clove essence and in group 4 (control) 0.2 mL of normal saline was injected into the l...
A split-split-plot design with three replications in two years of 2009 and 2010 was conducted to investigate the effect of different levels of irrigation water (main plot), salinity of irrigation water (sub-plot) and nitrogen fertilizer rate (sub-subplot) on maize growth rate and gas exchange. Irrigation treatments were I1 (1.0 crop evapotranspiration (ETc)+0.25ETc as leaching), I2 (0.75I1)...
در سراسر این پایان نامه r را یک حلقه نوتری جابجایی و یکدار و m را یک مدول با تولید متناهی روی r در نظر گرفته شده است. این پایان امه در سه فصل نوشته شده که در فصل اول تمامی تعاریف قضایایی را که لازم خواهند بود آورده شده است. فصل دوم و سوم براساس دو مقاله زیر تهیه شده است.فصل دو براساس مقاله زیر:injective modules and linear growth of primary decompositions که توسط r.y.sharp در...
چکیده هدف از انجام این پژوهش، بررسی رابطه بین سبکهای رهبری تبدیلی و تبادلی با عملکرد شغلی و رفتار مدنی سازمانی با میانجیگری عدالت سازمانی در کارکنان کارخانه سیمان بهبهان است. جامعه آماری پژوهش کلیه کارکنان کارخانه سیمان بهبهان، متشکل از 350 نفر و نمونه پژوهش شامل 190 نفر از کارکنان بودکه به صورت تصادفی طبقه ای انتخاب شدند. برای جمع آوری داده ها، پس از تعیین روایی و پایایی،از پرسشنامه سبکهای ره...
Starvation periods of fish in during the developmental stages on growth indices and blood factors can be affected. The effects of compensatory growth on growth indices and physiological responses (glucose, total protein and cholesterol), study for 8 week investigated in Juveniles of common carp (Cyprinus carpio). The fish were divided in 4 experimental groups with initial weight (13/88±0/88 gr)...
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