نتایج جستجو برای: free field

تعداد نتایج: 1262393  

Journal: :veterinary research forum 2012
ehsan hosseini saeed nafisi samad zare

the main goal of this study was to evaluate the possible effect of whole-body magnetic field(mf) exposure on the variations of corticosterone, free-t3, free-t4 and malonyl dialdehyde inplasma in 48 adult white new zealand male rabbits. animals were divided into six groups namely,c1 (normal diet, not exposed), c2 (normal diet, sham exposed), t1 (normal diet, exposed toelectromagnetic field), c3 ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده زیست شناسی 1388

abstract chickpea is weak in competition of weeds that damages to it at between 40 t0 60 percent. kermanshah province is one of the most important region for chickpea fields in iran. for these reosons, weed management is necessary in this crop. in order to evaluate of herbicides and stubble control on broad leave weeds control in chickpea. experiment was conducted in agricultural research stat...

Journal: :journal of solid mechanics 0
s.a mohajerani department of mechanical engineering, science and research branch, islamic azad university, tehran, iran a mohammadzadeh department of mechanical engineering, science and research branch, islamic azad university, tehran, iran m nikkhah bahrami department of mechanical engineering, science and research branch, islamic azad university, tehran, iran

in this paper vibration of ferromagnetic rectangular plates which are subjected to an inclined magnetic field is investigated based on classical plate theory and maxwell equations. levy type solution and finite element method using comsol software are used to obtain the frequency of the plate subjected to different boundary conditions, good agreements is obtained when computed results are compa...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ارومیه - دانشکده علوم 1391

nanotechnology is a general term which is related with field of all advanced science term that generally predicates with all modern technologies which consider nanoscales. improvement in the quality of products by adding some nanoparticles and study of their behavior in the presence of these nanoparticles have been obtained in many researches. on the other hand numerous demands for sowing ...

Journal: :Acta Physica Polonica A 2023

Free electromagnetic fields, satisfying Maxwell's equations with no charges and electric currents, can be described by complex vector fields. In the standard formulation fields sharply dependent on position time, one obtains integrals that are mathematically ill-defined. This happens for massless Pauli--Jordan function, which is used to describe time evolution of appears in Poisson brackets cla...

Journal: :International Journal of Modern Physics A 1994

Journal: :Journal of Functional Analysis 1973

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اراک - دانشکده علوم انسانی 1393

this research study aimed to investigate the relationship between field-dependence/independence cognitive style and vocabulary learning strategies among iranian efl learners. ninety participants majoring in english translation at arak university were chosen. the participants were classified into two groups of field-dependent and independent based on the results of group embedded figure test (ge...

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده فنی 1389

در سال های اخیر مطالعات زیادی پیرامون موضوع اندرکنش دینامیکی خاک و سازه برای انواع مختلف سازه ها انجام شده است اندرکنش خاک و سازه به ویژه برای سازه های جیم و سنگین مثل نیروگاه های اتمی سدها سکوهای ساحلی پل ها و ساختمان های بلندی که بر روی خاک نرم بنا شدهاند بسیار مهم است . در شرایط طبیعی سازه با خاک اطراف خود در حال برهم کنش است و به همین دلیل در تحلیل سازه ها باید با وارده به خاک اطراف سازه در...

Journal: :iranian journal of astronomy and astrophysics 2015
marjan yousefzadeh sadollah nasiri hossien safari

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