abstract nowadays, the science of decision making has been paid to more attention due to the complexity of the problems of suppliers selection. as known, one of the efficient tools in economic and human resources development is the extension of communication networks in developing countries. so, the proper selection of suppliers of tc equipments is of concern very much. in this study, a ...

abstract: the potato tuberworm, phthorimaea operculella (zeller), is an important insect pest of potato (solanum tuberosum l.) in the storage and field in most parts of the world especially in tropical and subtropical regions due to its close relationship with the host, high reproductive potential and high economic losses. information on host preference, life table parameters and digestive en...

the aim of the present study was to investigate the frequency and the type of discourse markers used in the argumentative and expository writings of iranian efl learners and the differences between these text features in the two essay genres. the study also aimed at examining the influence of the use of discourse markers on the participants’ writing quality. to this end the discourse markers us...

abstract the present study was an attempt to investigate the effect of critical thinking on writing ability of 60 iranian intermediate efl learners studying at chenar language institute in khuzestan, iran. to this end, the participants of the study were selected based on their performance in an pet test, a cornell critical thinking test form x and a pre-test of writing. the participants un...

موقعیت مکانی و اندازه ارتفاع و تاج تمام درختان و درختچه‌های متعلق به پنج گونه ارس، برودار، زبان‌گنجشک، کیکم و زالزالک روییده در کنار یکدیگر در وسعتی برابر 53 هکتار از ذخیره‌گاه جنگلی چهارطاق در زاگرس مرکزی اندازه‌گیری شدند. الگو‌های پراکنش پایه‌های هر گونه توسط چهار شاخص C، هینز، ابرهارت، پیلو و جانسون- زیمر محاسبه شدند. در کنار این شاخص‌ها، تخمین بصری و شاخص رشد آزاد (نسبت اندازه مساحت تاج به ...

this study compared the different effects of form-focused guided planning vs. meaning-focused guided planning on iranian pre-intermediate students’ task performance. the study lasted for three weeks and concentrated on eight english structures. forty five pre-intermediate iranian students were randomly assigned to three groups of guided planning focus-on-form group (gpfg), guided planning focus...

this thesis attempts to measure learning styles, self efficacy and intrinsic motivation as predictors of iranian ielts reading comprehension. in order to address this issue, a quantitative study was conducted on some randomly selected intact students at ferdowsi university. these two groups were assigned as they were undergraduate (ba=91) and graduate (ma =74) students; they were all aged betwe...

هدف: پژوهش حاضر با هدف تحلیل استنادی پایان نامه های رشته های علوم انسانی دانشگاه یزد انجام گرفته است تا با نتایج حاصل بتوان به تصمیم گیری در زمینه مجموعه سازی، وجین منابع، انتخاب بهترین منابع و سرویس دهی در بخش های مختلف کمک نمود. روش: پژوهش حاضر با روش تحلیل استنادی که یکی از فنون کتابسنجی است انجام پذیرفته است. جامعه مورد مطالعه 23395 استناد موجود در 277پایان نامه رشته‏های علوم انسانی است که...