the study of air infiltration into the buildings is important from several perspectives that may be noted to energy and design of hvac systems, indoor air quality and thermal comfort and design of smoke control systems. given the importance of this issue, an experimental and numerical study of air infiltration through conventional doors and windows has been explored in iran. to this end, at fir...

this study investigated the impact of explicit instruction of morphemic analysis and synthesis on the vocabulary development of the students. the participants were 90 junior high school students divided into two experimental groups and one control group. morphological awareness techniques (analysis/synthesis) and conventional techniques were used to teach vocabulary in the experimental groups a...

growing demands and requires of high data rate systems cause significant increase of high frequency systems for wideband communication applications. as mixers are one of the main blocks of each receivers and its performance has great impact on receiver’s performance; in this thesis, a new solution for ku-band (12-18 ghz) mixer design in tsmc 0.18 µm is presented. this mixer has high linearity a...

the effect of poss instruction in comparison with conventional instruction on development of esp learners’ parts of speech knowledge and attitude toward call.

بررسی سرشت ادراکات اعتباری و تفاوت های آن با ادراکات حقیقی، بحث جدیدی در معرفت شناسی اسلامی است که اول بار توسط مرحوم علامه طباطبایی(ره) مطرح شد. علامه طباطبایی با ابداع تفکیک مفاهیم حقیقی از مفاهیم اعتباری، گام بزرگی در جهت شناخت امور اعتباری و به تبع آن علوم قراردادی برداشت و حوزه اعتباریات را به مباحث انسان شناسی، علم اخلاق، فلسفه اخلاق، جامعه شناسی و غیره گسترش داد و نتایج توجه برانگیزی را ...

از جمله مباحث مبنایی فلسفه علوم انسانی، تعیین ماهیت مفاهیم و گزاره‌هایی است که در نظریه‌های این علوم به کار می‌روند. ماهیت این مفاهیم و گزاره‌ها بستگی تامّ به ماهیت موضوع این علوم دارد. علامه طباطبایی، به عنوان یکی از بارزترین متفکران اسلامی، عملاً به نظریه‌پردازی در برخی مسائل علوم انسانی دست یازیده‌اند. مطالعه رویکرد ایشان در این نظریه‌پردازی‌ها، خصوصاً در تفسیر شریف المیزان و همچنین دقت در قرای...

abstract this study examines the effect of teaching lexical inferencing strategies on developing reading comprehension skill of iranian advanced efl learners. participants were female students of meraj and shokouh institudes of garmsar a quasi-experimental design using two intact advanced classes of efl students at meraj and shokouh institutes. as the first step, a general toefl proficiency te...

abstract listening is a key and main tool in second language skill and its development is of prime concern to teachers and learners. furthermore, the application of technology in language classrooms has become more commonplace in the last fifty years. computer and the internet have made foreign language materials easy to access and use. so, the present study is an attempt to examine the effec...

in the area of automotive engineering there is a tendency to more electrification of power train. in this work control of an induction machine for the application of electric vehicle is investigated. through the changing operating point of the machine, adapting the rotor magnetization current seems to be useful to increase the machines efficiency. in the literature there are many approaches wh...