نتایج جستجو برای: activity experiment
تعداد نتایج: 1552992 فیلتر نتایج به سال:
The aim of this study was to examine the effect of Lactic acid bacteria based probiotic and its use schedule on Kurd male calves’ growth performance and white blood cell antimicrobial activity. The experimental period was 105 days after calves adapted to new environmental conditions. This study was carried out by 12 calves with an average body weight of 195 ± 10 kg and age of 240±10 days in a c...
Drought and changes in weather conditions, cause damage and reduce their agricultural products. The fact that durum wheat, after common wheat or Simultaneous with that, is one of the major sources of food supplies, makes it a necessity to identify its drought tolerant species.This article reports an experiment on the impact of different levels of drought ( 5,10,20, 25 percent of field capacity)...
Empirical studies of creativity have focused on the importance of divergent thinking, which supports generating novel solutions to loosely defined problems. The present study examined creativity and frontal cortical activity in an externally-validated group of creative individuals (trained musicians) and demographically matched control participants, using behavioral tasks and near-infrared spec...
To study the effects of biological and chemical phosphorus on antioxidant enzyme activity in safflower under water deficit conditions, an experiment was conducted in 2012 at the Research Field of the Faculty of Agriculture, Shahed University, Tehran, Iran. The experimental design was a split-factorial with three replicates. The main factor was the three levels of irrigation treatment: full irri...
چکیده بررسی فعالیت ضد اکسیدانی و ضدمیکروبی عصاره گیاه بن سرخ (allium jesdianum) به کوشش: زهرا مقیمی هدف از این تحقیق بررسی میزان ترکیبات فنولی کل، ترکیبات فلاوونوئیدی کل، فعالیت ضداکسیدانی و ضدمیکروبی عصاره ی گیاه تازه و خشک بن سرخ بود. استخراج عصاره به روش های غوطه وری، استفاده از همزن مغناطیسی، دستگاه مایکروویو، امواج فراصوت و گرمادهی مقاومتی و با استفاده از متانول، اتانول و آب به عنوا...
abstract: in a wide search program towards new and efficient antimicrobial agents, a series of 4-substituted-1,2,4-triazolidine-3,5-dione derivatives namely urazoles holding an alkyl moiety at position 4 have been synthesized and tested for their in vitro antibacterial and antifungal activities. the structures of these compounds have been investigated by spectral data. the synthesized compounds...
Thyme plants are considered to be one of the most widely consumed herbs well-known for their essential oils and secondary metabolites. In order to evaluate the effects of temperature on antioxidant activity, total phenolics, agronomic traits and essential oil of two thyme species (i.e. Thymus vulgaris and Thymus caramanicus), a greenhouse experiment was conducted in 2015 with split plot in a co...
The objective of this experiment was to evaluate the effect of feeding different levels of garlic and cinnamon powder on antioxidant system and some blood parameters of broilers under heat stress condition. Two hundred forty commercial broiler chicks (ROSS 308) were dividing to 6 treatments and 4 replicates. This experiment was performed in a completely randomized design with 2*3 factorial tria...
Background: Artemia urmiana are small crustaceans that because of its non-selective filter feeder pattern potentially may absorb high level of heavy metals through their living environment. In this study, the effects of different levels of cadmium and copper on survival, catalase activity and metals bioconcentration rates in A. urmiana nauplii have been investigated. Methods: The research wa...
مطالعه تغییرات متابولیت‌های سازگاری و فعالیت آنزیم‌های آنتی اکسیدانت ارقام مختلف گندم تحت تنش رطوبتی
To study the effects of water stress on compatibility metabolites and the antioxidant enzyme activities of wheat variety trial a factorial experiment was conducted in a completely randomized design in 1393. The experiment consisted of three levels of stress (85, 60 and 35% of field capacity) and five varieties of wheat (Orom, Zarea, Mihan, ZSZOBKAYKA, JS3l7G217,) Analysis of variance showed, Pr...
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