نتایج جستجو برای: biological factors were examined
تعداد نتایج: 4464416 فیلتر نتایج به سال:
terms of address as an important linguistics items provide valuable information about the interlocutors, their relationship and their circumstances. this study was done to investigate the change route of persian address terms in the two recent centuries including three historical periods of qajar, pahlavi and after the islamic revolution. data were extracted from a corpus consisting 24 novels w...
Background & Aims: Acrylonitrile is widely used as the main raw material in the production of Acrylonitrile butadiene styrene (ABS). It can be considered as pollutant in ABS process effluent. Since the importance of biological systems to treatment the ABS effluents, this study aimed to identify the dominant microorganisms in biological wastewater treatment plant and to evaluate the pot...
razi mouse is originally established from native iranian mice at razi institute and is susceptible to spontaneous mammary tumor. in this study, incidence, age and predisposing factors of tumor and some of biological characteristics of this strain were studied. there were significant differences in incidence of mammary tumor in razi virgin females as compared with normally breeding and hormone t...
درک الگوی توزیع مکانی ماکروفون خاک بدلیل اثرات آن روی فرآیندهای اکوسیستم بسیار مهم است. لیکن اطلاعات کمی در این خصوص وجود دارد. درمورد تنوع زیستی ارگانیسم ها وجانداران خاکزی که ازاجزای مهم وکلیدی درهرسیستم اکولوژیکی هستند و در بهبود حاصلخیزی خاک و تولیدات زمین وپایداری اکوسیستم ها(ازطریق فرآیندهای بیولوژیک)نقش عمده دارند تحقیقات کمی انجام شده است. این تحقیق جهت بررسی الگوی مکانی پارامترهای تنوع...
aphanius ginaonis is exclusive to the geno hot spring, located in the hormozgan province. in this paper some biological aspects of aphanius ginaonis and contents of its digestive tract and its relation with cyanobacteria (blue-green algae) in the geno hot spring was examined. sampling was conducted monthly, samples were fixed in 5% formalin immediately after fishing and transferred to the ichth...
abstract deviation or in other words committing a crime is literally a social problem. this research that was conducted in 1389 and 1390 has tried to investigate the causes of crimes committed by young male inmates qazvin central prison and effective variables on their tendency to deviation. accordingly after collecting theoretical framework and offering theoretical model including both hirsch...
The purpose of this study was to describe how companies in pharmaceutical and biological sectors can ensure their position in different markets by relying on sustainable, competitive advantages, resulting from the use of a well-defined marketing model with particular emphasis on brand improvement. As competition becomes more intense among companies and phenomena such as global marketing grow in...
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