there are many approaches for solving variety combinatorial optimization problems (np-compelete) that devided to exact solutions and approximate solutions. exact methods can only be used for very small size instances due to their expontional search space. for real-world problems, we have to employ approximate methods such as evolutionary algorithms (eas) that find a near-optimal solution in a r...

the aim of the current study was to investigate the relationship among efl learners learning style preferences, use of language learning strategies, and autonomy. a total of 148 male and female learners, between the ages of 18 and 30, majoring in english literature and english translation at islamic azad university, central tehran were randomly selected. a package of three questionnaires was ad...

Introduction: Spinal cord injury is one of the problems of human societies, which causes many physical and emotional problems for a person and will have consequences for personal, family and social problems. The purpose of this study was to investigate the phenomenological factors affecting post-traumatic growth in patients with spinal cord injury. Methods: The qualitative research project was ...

this ethnographic case study research was carried out in a private school setting in the context of iran. the research tried to explore the analysis and identity construction of a group of learners and teachers along with the content analysis of books on the basis of four types of commodified, political, national and narrative identities. how english language learners and teachers in an informa...

this thesis is an evaluation of poetry of sylvia plath (1932- 1963) and forough farrokhzad (1935-1967) using feminist approach and finds the positive concepts of hope, reason and strength through feminine images in their poetry. plath and farrokhzad are from different cultures and different countries but they share the same concepts and themes in their poetry. by applying feminist theory to the...

the ability of composing a coherent and extended piece of writing in second language is considered as a fundamental factor to convey information and ideas of learners through the academic issues. although learners may achieve a perfect academic writing skill through assigning the l2 tasks in content based instruction, but demonstration of their abilities may be related to their ability in l1 es...

Objective: The current research aimed to discover and investigate the factors affecting substance use disorder based on lived experience among the youth people of the city of Bojnourd to achieve an explanatory model. Method: The method of this research was qualitative and of grounded theory type. The statistical population of the current research included the individuals present in residential ...

this study purported to compare and contrast the use of self-mention and evidentials as two mtadiscourse features in opinion columns of persian and english newspapers. the theoretical basis of this study is the idea that metadiscourse features vary across cultural boundaries. for this purpose, 150 persian and 150 english opinion columns were collected based on three factors of topic, audience a...

طی بررسی هائی که جهت جمع آوری و شناسائی فون کنه های باغات میوه در شهرستان نجف آباد در سال های 1391-1390 انجام شد مجموعا، 17 گونه متعلق به 14 جنس و 8 خانواده جمع آوری و شناسائی شد که 1 گونه برای اولین بار از ایران معرفی گردید که با (*) مشخص شد، و تعداد 2 گونه برای اولین بار در دنیا شناسائی و توصیف گردید که با علامت (**) مشخص شده-اند. لیست گونه های گزارش شده بر اساس طبقه بندی راسته و خانواده به ...