according to cheng (1999), in recent esl/efl literature, asian (especially east asian) learners of english as a foreign/second language have been arguably reported as reticent and passive learners. the most common allegations are that these students are reluctant to participate in classroom discourse; they are unwilling to give responses; they do not ask questions; and they are passive and over...

today, scouring is one of the important topics in the river and coastal engineering so that the most destruction in the bridges is occurred due to this phenomenon. whereas the bridges are assumed as the most important connecting structures in the communications roads in the country and their importance is doubled while floodwater, thus exact design and maintenance thereof is very crucial. f...

fuzzy logic has been developed over the past three decades into a widely applied techinque in classification and control engineering. today fuzzy logic control is one of the most important applications of fuzzy set theory and specially fuzzy logic. there are two general approachs for using of fuzzy control, software and hardware. integrated circuits as a solution for hardware realization are us...

به طور کلی اطلاعات مورد نظر در این پایان نامه را می توان در دو گروه عمده دسته بندی نموده و سپس با توجه به ماهیت این داده ها و با استفاده از روش های زیر، نسبت به تجزیه و تحلیل آنها پرداخت: 1- داده های گرافیکی: داده های گرافیکی مورد استفاده در این رساله شامل نقشه های کاربری 1:2000 شهر مراغه، نقشه ی ناحیه بندی و محله بندی شهر مراغه، نقشه ی خطوط ارتباطی شهر مراغه، تصاویر ماهواره ای etm+ شهر مراغه...

بررسی پتانسیل سیل ­ خیزی حوزه ­ های آبخیز به منظور مکان ­ یابی پروژه ­ های آبخیزداری از اهمیت قابل توجهی برخوردار است به طوری که برای شناسایی مکان ­ هایی با پتانسیل سیل ­ خیزی بالا از شاخص ­ های متفاوتی استفاده می­شود. از مهم ­ ترین و کاربردی ­ ترین شاخص ­ های مورد استفاده در این ارتباط شاخص ­ های و می ­ باشند که بر اساس دبی ­ های اوج استخراج شده از مدل ­ های ریاضی کار می ­ کنند. هدف از این مطا...

according to webster and wind (1972) and anderson et al (1987), “organizational buying is a complex process and involves many people from different functional areas, multiple goals and potentially conflicting decision criteria. moreover, the customers of today are also more knowledgeable and selective when making their purchasing decisions. since a key to organizational survival is the retentio...