abstract this study was carried out to compare disinfecting effects of nanosilver with other feed disinfectants on layer hen performance, immune system, gastrointestinal microflora and intestinal morphology. total of 90 layers (lsl) were divided into five groups consisting: 1-control, 2- formalin (200 ppm), 3- formaycin (200 ppm), 4- nanosilver in drinking water (7.5 ppm) and 5-nanosilver in f...

abstract type-ii fuzzy logic has shown its superiority over traditional fuzzy logic when dealing with uncertainty. type-ii fuzzy logic controllers are however newer and more promising approaches that have been recently applied to various fields due to their significant contribution especially when the noise (as an important instance of uncertainty) emerges. during the design of type- i fuz...

به منظور کارآیی داروی کلونیدین در درمان کودکان بیش فعال 6-17 ساله، تعداد 20 نفر از کودکانی که به درمانگاه اطفال بیمارستان روز به مراجعه کردند و تشخیص adhd برای آنها گذاشته شده بود، بطور random انتخاب شدند این 20 کودک بطور random به دو گروه 10 نفر تقسیم شدند در گروه case کودکان بیمار هفته اول متیل فندیت گرفتند و 3 هفته بعد نتیل فنیدیت و کلونیدین دریافت کردند و گروه control هفته فندیت گرفتند و 3 ...

شکی نیست که کسب توانایی خواندن متنهای انگلیسی یکی از مهمترین فعالیتها در تدریس زبان می باشد خواندن متن برای درک آن نه تنها نیاز به سطح خاصی از دانش زبان شناسی دارد بلکه اگاهی دانش اموزان دا از مهمترین ایده متن افزایش می دهد. دو گروه سی نفری از میان نود نفر در موسسه زبان حکمت آمل توسط آزمون نلسون انتخاب شدند و در دو گروه control و experimental قرار گرفتند.در پایان ترم که برای گروه control یک ما...

as polysemy is encountered frequently in english as foreign language. fl learners’ ability to disambiguate polysemous verbs becomes critical to their comprehension in the target language. this thesis, accordingly, investigated how iranian efl learners achieved comprehension of english polysemous verbs by using three different types of cues: (1) elaborated context, (2) semantic frames, and (...

the present study was conducted to investigate the effect of implicit focus on form through input flooding and the effect of noticing, explicit focus on form on linguistic accuracy. to fulfill the purpose of the study, 86 iranian pre-intermediate efl learners of one of the language institutes were chosen by means of administering ket as the homogeneity test. these learners were pretested throug...

a phase-locked loop (pll) based frequency synthesizer is an important circuit that is used in many applications, especially in communication systems such as ethernet receivers, disk drive read/write channels, digital mobile receivers, high-speed memory interfaces, system clock recovery and wireless communication system. other than requiring good signal purity such as low phase noise and low spu...

در چند دهه اخیر سیستم های مولد برق از انرژی باد، به عنوان یک منبع انرژی نو و بدون آلودگی زیست محیطی مورد توجه فراوانی قرار گرفته اند. در این پروژه توربین بادی به صورت سرعت متغیر توسط ژنراتور سنکرون آهنربای دائم و مبدل دیودی که متصل به یک مبدل افزاینده dc/dc می باشد مورد بهره برداری قرار می گیرد و سپس کل انرژی تولیدی توربین توسط یک اینورتر pwm به شبکه برق تزریق می گردد. استفاده از ژنراتور سنکرون...

abstract the main purpose of this study was to investigate whether there was any significant difference between the speaking achievement of learners who were trained by means of consciousness raising of sociolinguistic skills and that of learners who were trained without the above mentioned task. the participants of this study consist of 60 intermediate level students participating languag...

the present study is an attempt to investigate the potential impact of inspirational quotes on improving english abstract vocabulary recall. to achieve this goal, a multiple choice language proficiency test of 60 items including vocabulary and grammar component was administered to a sample of 63 second-semester male and female students whose age ranged between 17 to 22 and they were studying en...