هدف از انجام این تحقیق ارزیابی اثر تکرارهای مکرر hcg بر روی ویژگیهای جسم زرد و فولیکولهای موجود بر سطح تخمدان و غلظت پروژسترون میش های سنجابی سوپراووله شده با ecg می باشد. تعداد 40 راس میش سنجابی بوسیله اسفنج آغشته به پروژسترون به مدت 12 روز جهت همزمان سازی فحلی مورد درمان قرار گرفتند . سوپراوولاسیون در این دامها بوسیله ecg، 2روز قبل از خروج اسفنج القاء شد. در روز خروج اسفنج (روز صفر) میش ها بص...

In recent decades, there have been numerous attempts to define precisely what is meant by small group teaching. Many writers argue that small group teaching method is among the most difficult and highly skilled of teaching techniques, in which in addition to the primary objective of teaching students to think, the tutor must have a number of subsidiary objectives if the small group is to functi...

‏‎in this research,the authors conducted a study comparing two groups of male and female english language learners studying in a elt institute,in terms of their performance on their achievement test including listening comprehension,vocabulary,grammar,and reading comprehension and found no significant difference between the group except in listening comprehension part of the test in which the f...

abstract the present study tried to investigate the effect of visual aids (films) on the development of the speech act of disagreement among iranian efl intermediate learners. to this end, the researcher selected 40 homogeneous intermediate learners based on their scores on oxford placement test. .the subjects then divided into control group and experimental group. both classes were tested by ...