abstract i the purpose of this study was to launch a thorough investigation concerning the possibility of differing orientations to the writing proficiency construct by native and non-native english speaking teacher raters. it mainly revolved around the international english language testing system (ielts) that is widely administered and employed as a measure of general proficiency in englis...

پلی(1-آمینو-10،9-آنتراکینون) به عنوان یکی از پلیمرهای رسانا دارای کاربرد فراوانی در صنعت می‏باشد. خواص الکتریکی و مکانیکی این دسته از پلیمرها را می‏‏توان با اضافه نمودن مواد افزودنی مناسب در هنگام تهیه بهبود بخشید. در این تحقیق، الکتروپلیمریزاسیون 1-آمینو-10،9-آنتراکینون در حضور و عدم حضور سدیم دودسیل سولفات (sds) به عنوان یک ماده‏ی افزودنی در محلول آبی اسید سولفوریک مورد بررسی قرار گرفته است. ...

the purpose of this study was to examine the english language needs of medical students at tehran university of medical sciences . analysis of the needs took place for three groups: 320 undergraduate students, 30 postgraduate students and 20 university instructors. a triangulation approach to collect data was used in which a combination of the quantitative (using the questionnaires) and qualita...

this research was conducted to examine the effect of a concurrent training on rest level of leptin of plasma and some hormonal factors in non-athlete subjects. the research population included non-athlete men who didn’t participate in any organized sport activities. 30 men were chosen voluntarily among the above-mentioned population and were divided into 2 groups: experimental (15 subjects) an...