this study investigates the relationships between iranian efl teachers’ perfectionism, burnout and their teaching style preferences, and also the difference between male and female efl teachers and their teaching style preferences. to this end, a sample of 99 efl teachers (46 males and 53 females), who had years of teaching experience, were selected. the measurement scales used in this study we...

مقدمه : امروزه کانسرهای دستگاه گوارشی یکی از علل شایع و مهم مرگ ناشی از سرطان در سنین بالا می باشد و در این میان کانسرمعده بیشترین شیوع را به خود اختصاص داده است. مصرف سیگار یکی از ریسک فاکتورهای قابل اصلاح سرطان معده می باشد. لذا این مطالعه با هدف تعیین فراوانی مصرف سیگار در بیماران مبتلا به بدخیمی های معده صورت گرفته است. روش کار : این مطالعه توصیفی بر روی تمامی افرادی که در طی سال 1381 در بی...

Abstract: In order to improve the thermal management system for cooling an electric vehicle battery pack, the thermal performance of the battery pack in two states of charge and discharge in different working conditions by using a copper sheath around the batteries and a copper sheath, as well as a stair channel on top of the battery pack and using of nanofluid as cooling fluid, has been studie...

Background and purpose: The World Health Organization predicts more than 8 million deaths until 2030 as a result of tobacco use. Pictorial cigarette pack warnings have a major role on the cognitive and emotional reactions, and the first intention to smoking cessation. The aim of this study was to investigate the role of pictorial cigarette pack warnings on smokers’ attitudes and behavior. Mate...