نتایج جستجو برای: physics

تعداد نتایج: 197323  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده ادبیات و زبانهای خارجی 1393

abstract in written mode of language, metadiscourse markers are used commonly to help writers in general and academic writers in particular to produce coherent and professional texts. the purpose of the present study was to compare introduction sections of applied linguistics and physics articles regarding their use of interactive and interactional metadiscourse markers based on the model pro...

بوذرجمهری, فتح اله , نفیسی مقدم, رضا ,

Introduction: In spite of development in the medical physics technologies, medical physics curriculum for medical students in Iran has not been updated, while teaching medical physics in many universities around the world has been designed based on applied aims. It seems that modern subject teaching in diagnosis and therapy must be alternated with theoretical subjects of medical physics. Method...

Journal: :categories and general algebraic structures with application 0
f. william lawvere professor emeritus, department of mathematics, university at buffalo, buffalo, new york 14260-2900, united states of america.

functionals were discovered and used by volterra over a century ago in his study of the motions of viscous elastic materials and electromagnetic fields. the need to precisely account for the qualitative effects of the cohesion and shape of the domains of these functionals was the major impetus to the development of the branch of mathematics known as topology, and today large numbers of mathemat...

تابش, مهسا, خانبابایی, رضا,

In recent years, many physics departments have turned from pure physics into applied physics so that physics is no longer taught as a major in undergraduate or graduate studies without any specific application. This is due to the physics solutions brought for researchers in different disciplines, and that is for the analytical skills of physicists. From the first differential equation developed...

Journal: :نشریه دانشکده فنی 0
نصرت الله واحدی فریدی

astrophysics is becoming now an integral part of general physics. considering the black hole theory ,which is a new and exciting branch of relativistic astrophysics, we see many connections between elementary particle physics and astrophysics. in this article we attempt to explain the development of star physics ,in an easy ,understandable manner. previous knowledge of relativistic theory or cl...

اسلامی‌کلانتری, محمد, دهقان‌نژاد, اکبر, موسوی‌نژاد, سیدمحمد,

Algebraic hyperstructures theory is a natural extension of the classical‎ ‎algebraic structures‎. Because of importance and new viewpoints in this theory, we try to apply this theory to the elementary particle physics and nuclear physics presenting the definitions and the concepts of the algebraic hyperstructures. In this work we intend to use this new branch of mathematics to describe the inte...

Journal: :iranian journal of radiology 0
jung-su kim department of radiologic science, college of health science, korea university, seoul, south korea sang-wook yoon department of diagnostic radiology, cha bundang medical center, cha university, gyeonggi-do, south korea deok-nam seo department of radiologic science, college of health science, korea university, seoul, south korea so-ra nam department of radiologic science, college of health science, korea university, seoul, south korea jung-min kim department of radiologic science, college of health science, korea university, seoul, south korea; department of radiologic science, college of health science, korea university, seoul, south korea. tel: +82-2940-2577, fax: +82-29402829

conclusion despite multiple exposures, ed control is more effective if wss is performed using apmdr in the aec mode. results using apmdr, the mean number of exposures was 6.1 for ap and 6.5 for lat projections. lat projections required more exposures (6.55%) than ap projections. the mean ed was 0.6276 msv (ap) and 0.6716 msv (lat). the mean ed for lat projections was 0.6061 msv in automatic exp...

Here, Adomian decomposition method has been used for finding approximateand numerical solutions of nonlinear differential difference equations arising inmathematical physics. Two models of special interest in physics, namely, theHybrid nonlinear differential difference equation and Relativistic Toda couplednonlinear differential-difference equation are chosen to illustrate the validity andthe g...

Journal: :حکمت و فلسفه 0
علی پایا هیئت علمی دانشگاه علامه طباطبایی

the aim of the present paper is to sbo» that anti-realism in science, 1vhich has a1;guab/y become more fashionable in recentyears, contrary to tuha: its proponents assert, cannot make use of quantum mechanics and its impressiue achievements as a frump card in justifying its claims. i will argue that scientific anti-realism far from providing scientific communiry with a progressive methodologica...

Journal: :نشریه شهرسازی و معماری 0
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