نتایج جستجو برای: some related sources such as published papers

تعداد نتایج: 7178657  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده منابع طبیعی و علوم دریایی 1388

this research was conducted in two protect and destroy region in the middle zagros, in illam province. in order to identification of ecological species group and evaluate density of regeneration, effect of many factors such as protection, vegetation, physiographic factors, physical and chemical properties of soil in study locations were studied. to achieve these purpose number of 54 plots using...

Introduction: Today, the corona virus has crossed all international borders and the emergence of this unknown virus has affected the lives and health of millions of people. The spread of coronavirus in the world, in addition to affecting all political, economic and social dimensions, has caused many psychological effects on the communities involved. Methods: Published papers in Web of sience، p...

Journal: :بوم شناسی کشاورزی 0
مهدی نصیری محلاتی علیرضا کوچکی رضا قربانی سرور خرم دل

during the last few decades scientific researches in different fields of agricultural sciences have been grown drastically. however, there is no published study, if any, on structural analysis of the national agricultural research system of iran and setting priorities for the future. in the present study 2361 scientific papers published during the three decades in the domestic journals were sur...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ارومیه 1377

the methods which are used to analyze microstrip antennas, are divited into three categories: empirical methods, semi-empirical methods and full-wave analysis. empirical and semi-empirical methods are generally based on some fundamental simplifying assumptions about quality of surface current distribution and substrate thickness. thses simplificatioms cause low accuracy in field evaluation. ful...

Journal: :iranian journal of psychiatry 0
ali farhoudian elaheh sahimi izadian reza rad goodarzi vandad sharifi mohammad-reza mohammadi ali-akbar nejatisafa

objective: this study aimed to describe the characteristics of iran’s child and adolescent mental health research published from 1973 to 2002. method: the articles were drawn from iranpsych, which is a national database of published research in mental health and related fields. this database gathers scientific papers on psychiatry, psychology, and neuroscience published in both national and int...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اراک - دانشکده علوم 1392

the history of plant’s used for mankind is as old as the start of humankind. initially, people used plants for their nutritional proposes but after the discovery of medicinal properties, this natural ?ora became a useful source of disease cure and health improvement across various human communities. berberis vulgaris is one of the medicinal plants used in iranian traditional medicine. berberis ...

Journal: :avicenna journal of phytomedicine 0
wesam kooti student research committee, kurdistan university of medical sciences, sanandaj, iran najmeh kafash-farkhad department of biology, urmia university, urmia, iran ali ghorbani-ranjbari department of biotechnology, school of veterinary medicine, ferdowsi university of mashhad, mashhad, iran naim sharafi-ahvazi student research committee, kurdistan university of medical sciences, sanandaj, iran

dear editor in recent years, the number of scientific research papers of iranian scientists has substantially grown in national and international journals that indicates particular attitude of iranian scientific community to the development of knowledge in different fields. moreover, improvement of quality of scientific papers is necessary. for this purpose, criticism of published studies is a ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت دبیر شهید رجایی - دانشکده علوم انسانی و تربیت بدنی 1389

teachers’ beliefs greatly influence their performance in the classroom, their choice of instructional strategies, their way of controlling the class, their dealing with the students, and their general goals and objectives. one of these beliefs is teachers’ sense of efficacy which is viewed as an important construct and has shown to be positively correlated with students’ achievement (ross, 1992...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه امام صادق علیه السلام - دانشکده الهیات و معارف اسلامی 1391

muhammad ibn muhammad ibn numan, known as "shaykh mufid," one of the great imamiye theologians and jurists in the fourth and early fifth century , had comprehensive mastery of both rational and traditional topics and exerted his influence upon both his contemporary and future scholors. he is considered to be one of the top imamiye scholars who spent his lifetime teaching, learning and authorin...

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