نتایج جستجو برای: usage of 12

تعداد نتایج: 21233945  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه مازندران - دانشکده علوم انسانی و اجتماعی 1391

the present study aimed to investigate the possible effects of focused highlighted error feedback on grammatical accuracy of writing among iranian intermediate efl learners. after selecting 52 homogenous participants from among 70 university students attending azad university of rasht and randomly dividing them into two intact groups of 26 students, the researcher exposed the participants of th...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده شیمی 1392

in the present work, a simple and sensitive method was developed for determination of morphine and heroin using gold nanoparticles as resonance rayleigh scattering (rrs) and colorimetric technique’s probe. synthesized gold nanoparticles by sodium citrate reduction method have a negative charge layer on their surfaces because of self-assembled citrate anions on their surface. binding of morphin...

Journal: :تحقیقات دامپزشکی 0
فرید حیدری دزفولی پژوهشکده ملی مهندسی ژنتیک و بیوتکنولوژی فرامرز قراگوزلو گروه علوم درمانگاهی دانشکده دامپزشکی دانشگاه تهران مهدی وجگانی گروه علوم درمانگاهی دانشکده دامپزشکی دانشگاه تهران سید مرتضی میرترابی بخش انتقال جنین موسسه اصلاح نژاد دام کرج مرتضی دلیری پژوهشکده ملی مهندسی ژنتیک و بیوتکنولوژی

the effect of short term usage of gnrh antagonist as pretreatment on superovulation in goats was evaluated. statistical analysis was performed using t-test and showed that usage of gnrh antagonist as pretreatment can improve number of recovered embryos (p0.05). this study showed that usage of gnrh antagonist can improve superovulatory response in term of embryo recovery in goats .this study sho...

Journal: :Journal of Phylogenetics & Evolutionary Biology 2017

تقوی دوست, ندا , دستگیری, سعید ,

 Background & Aims: Non-communicable diseases account for 60% of deaths and 47% of the global burden of diseases. Seventy five percent of these deaths occur in developing countries. Most of these diseases have risk factors such as: hypercholesterolemia, physical inactivity, hypertension, diabetes mellitus, cigarette smoking, obesity and bad nutritional habits. The aim of this study was to compa...

2003
Mark T. Dishaw Diane M. Strong D. Brent Bandy

MIS researchers have developed a number of models for studying the software utilization choices of end users. In this paper, we focus on one of these, the Task-Technology fit model. We explore the addition of various personal characteristic constructs, especially Computer Self-Efficacy and Experience.

Journal: :Sustainability 2023

Education stakeholders around the world have been promoting use of open educational resources (OER) by K-12 teachers to improve quality classroom instruction. Prior research identified individual and contextual factors that influenced teachers’ OER yet ignored factor quality. The aim this survey study was investigate how three categories (quality OER, teacher-related factors, school-related fac...

2003
Srinivasan Jagannathan Jörn Altmann Lee Rhodes

Capacity planning is a critical task in network management. It identifies how much capacity is needed to match future traffic demand. It directly affects customer satisfaction and revenues. In this work we present a network usage analysis tool called Dynamic Netvalue Analyzer (DNA), which helps alleviate a big problem that network engineers and marketing executives face– making optimal resource...

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