نتایج جستجو برای: water environment

تعداد نتایج: 1033333  

Journal: :Advances in Materials Science and Engineering 2014

Journal: :International advanced researches and engineering journal 2021

In this study, the electrical and thermal efficiency of natural convection water-cooled photovoltaic panel (PV) is compared with standard PV module. modules are made up polycrystalline solar cells. As it known that, an increase in temperature results a decrease efficiency. The aim study to characteristic values such as air/PV temperature, radiation, voltage, current, power recorded for both pan...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده مدیریت 1391

one of the most important factors in study of project’s , is the study of environmental opportunities factors the permanent study of environmental opportunity factors . the study of permanent environmental changing and knowing golden threats’ cooperate with possible threats and at the result in structure forming and future skeleton of organization has a vital effects . the petrochemical industr...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیخ بهایی - دانشکده زبانهای خارجی 1392

abstract reception environment has considerable effects on accepting a translation. as the expectations of a target culture and its values and needs change throughout history, its criteria for accepting a translation or rejecting it will change accordingly (gentzler, 2001). the expectations of iran, as the reception environment in the present study, have changed after the islamic revolution. i...

Journal: :DEStech Transactions on Environment, Energy and Earth Sciences 2020

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