نتایج جستجو برای: high current test

تعداد نتایج: 3283274  

Journal: :research in applied linguistics 2013
kioumars razavipour

this study constitutes an attempt to see what language assessment literacy (lal) isfor three groups of stakeholders, namely lal test developers, lal instructors, andlal test-takers. the perceptions of the former group were derived from the contentanalysis of the latest version of the lal test, and those of the latter 2 groups wereassessed through a survey designed by the researcher. participant...

Journal: :journal of advances in computer research 0
behzad ghanavati department of electrical engineering, college of electrical engineering, mahshahr branch, islamic azad university, mahshahr ,iran

a high accurate and low-voltage analog cmos current divider which operates with a single power supply voltage is designed in 0.18µm cmos standard technology. the proposed divider uses a differential amplifier and transistor in triode region in order to perform the division. the proposed divider is modeled with neural network while tlbo algorithm is used to optimize it. the proposed optimization...

Journal: :journal of research in rehabilitation sciences 0
علیرضا آریانفر امین مهنام alireza aryanfar amin mahnam

introduction: high frequency alternating currents is a safe, reversible and selective method for nerve conduction block that has been under study during the last decade as a treatment for the diseases involving abnormal neural impulses. however, reducing the stimulus amplitude, and the undesired onset response, as well as optimizing the stimulus parameters for more effective block is still unde...

Journal: :Current Directions in Biomedical Engineering 2020

Journal: :Review of Scientific Instruments 1956

پایان نامه :0 1368

اولین سیستمهای قدرتی که مورد بهره برداری قرار گرفتند dc بودند(.آمریکا)1882 ولی بعدازاختراع ترانسفورماتور، بتدریج سیستمهای ac جایگزین سیستمهای dc موجود شدند . امروزه نیز اکثر سیستمهای قدرت از نوع ac می باشد. ولی در موارد خاصی کاربرد خطوط انتقال جریان مستقیم اجتناب ناپذیر است . مثلا دراتصال دو شبکه با فرکانسهای مختلف یا انتقال انرژیهای بالا در فواصل طولانی و یا اتصال شبکه های ac توسط کابل از زیر ...

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

the purpose of this study was to investigate the impact of blended learning and multimedia softwares on iranian efl students vocabulary learning. in addition, the present study tried to examine the extent to which multimedia softwares can be applied into efl classes in iran. it also attempted to find out students attitudes toward using these softwares. to this end, 87 iranian efl learners at el...

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