نتایج جستجو برای: ray methods

تعداد نتایج: 2121726  

Journal: :Postgraduate Medical Journal 1964

Journal: : 2022

X-ray topography is a group of methods for obtaining diffraction images structural defects in crystals. Among them, section techniques are distinguished by their abilities acquiring quantitative information about based on the analysis images. For this purpose, special applications dynamic theory being developed. The interference wave fields excited crystal an beam basis methods. Their sensitivi...

Journal: :Acta Crystallographica Section A Foundations of Crystallography 1987

Journal: :The Journal of the Acoustical Society of America 1981

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم اجتماعی و اقتصادی 1389

abstract nowadays, the science of decision making has been paid to more attention due to the complexity of the problems of suppliers selection. as known, one of the efficient tools in economic and human resources development is the extension of communication networks in developing countries. so, the proper selection of suppliers of tc equipments is of concern very much. in this study, a ...

Journal: :Journal of the Society of Materials Science, Japan 1988

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده زبانهای خارجی 1391

since its introduction in 1959, translation quality assessment (tqa) has been among the most addressed research topics in translation studies. during recent years, there has been a crucial increase on the study of tqa. various methods have come on scene. although these methods are based on scientific theories, most of them have remained at the level of theory. juliane house’s model is among tho...

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