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تعداد نتایج: 14259678 فیلتر نتایج به سال:
the following null hypothesis was proposed: there is no significant difference between the efl students listening comprehension development receiving pictorial cues and those receiving no cuse. to test the null hypothesis, 52 male and femal freshmen students of medicine studing at iran university of medical scinces were randomly selected from a total population of 72 students. to ensure that th...
abstract this study aimed at investigating the effect of bilingual teaching of cognate words (persian-english) on iranian upper intermediate efl learners’ knowledge of lexical development. for this purpose,100 subjects participated in this study out of which 40 learners were selected for this study and they were assigned into two groups, control and experimental. cross-language cognates (wor...
وجه نقد از منابع مهم و حیاتی در هر واحد انتفاعی است و ایجاد توازن بین وجوه نقد در دسترس و نیازهای نقدی، مهمترین عامل سلامت اقتصادی است. به علاوه شرکت های دارای کمبود وجه نقد، مشکلات زیادی دارند، از این رو این مطالعه به بررسی رابطه بین کسری و مازاد وجه نقد با بازده سهام می پردازد. این پژوهش برای نمونه ای مشتمل بر 125 شرکت در بورس اوراق بهادار تهران انجام شده است. روش مورد استفاده در این پژوهش، ر...
This research sought to examine the mediating role of psychological capital in the relationship between authentic leadership and work engagement among school principals and teachers. The study had a descriptive, correlational design. The statistical population of the study was comprised of all school principals and teachers in Aleshtar (located in Lorestan Province) in school year 2016-17 from ...
background: protein energy malnutrition and inflammation in hemodialysis (hd) patients often leads to the malnutrition inflammation complex syndrome or atherosclerosis malnutrition and inflammation related to the atherosclerotic cardiovascular disease. this syndrome occurs in patients undergoing dialysis for a long time and is accounted as an important factor of mortality among these patients...
asymmetric membranes are widely used in many industrial membrane separation processes. the major advantage of membrane filtration over the conventional process is its ability to remove a wider spectrum of particles without using any chemicals. hollow fiber configuration offer many advantages over flat-sheet or tubular membranes. the spinning process of hollow fiber may look simple, yet it is te...
background: social phobia is a pervasive and debilitating disorder, with relatively high prevalence, which is affected by different variables and influences many aspects of human life. this study was carried out with the aim to determine the relationship between social anxiety and personality dimensions among students of rafsanjan university of medical sciences, iran, in 2013. materials and met...
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