نتایج جستجو برای: theory

تعداد نتایج: 782121  

Journal: :journal of sciences islamic republic of iran 0

in this paper we review some recent ideas of synchronization theory. we apply this theory to study the different synchronization aspects of uni-directionally coupled pair of chaotic one-dimensional gaussian maps.

صالحی, ابراهیم,

The growth and development of higher education is a striking feature of the modern world. The formation and development of higher education has been the subject of scholarly inquiry across the humanities and social sciences. Here the key question is: what is the theoretical bases of the growth and expansion of higher education? However, the article seeks to explain the phenomena from several pe...

Adverse drug events (ADEs) may cause serious injuries including death. Spontaneous reporting of ADEs plays a great role in detection and prevention of them, however, underreporting always exists. Although several interventions have been utilized to solve this problem, they are mainly based on experience and the rationale for choosing them has no theoretical base. The vast variety of behavioral ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه مازندران - دانشکده علوم انسانی 1390

iv abstract this study examined the linguistic behaviors of two iranian efl teachers each of them teaching learners of two similar proficiency levels, a beginner level and an intermediate level, to investigate the relationship between the learners proficiency levels and the amounts and purposes for l1 use by the two teachers. the study was carried out to investigate whether there were differe...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده علوم انسانی 1389

there are two major theories of measurement in psychometrics: classical test theory (ctt) and item-response theory (irt). despite its widespread and long use, ctt has a number of shortcomings, which make it problematic to be used for practical and theoretical purposes. irt tries to solve these shortcomings, and provide better and more dependable answers. one of the applications of irt is the as...

Journal: :journal of applied and computational mechanics 0
bekir akgöz akdeniz university civil eng. dept. ömer civalek civil engineering dept.

deflection analysis of a simply supported microbeam subjected to a concentrated load at the middle is investigated on the basis of a shear deformable beam theory and non-classical theory. effects of shear deformation and small size are taken into consideration by hyperbolic shear deformable beam theory and modified strain gradient theory, respectively. the governing differential equations and c...

Journal: :مطالعات مدیریت بهبود و تحول 0
سیدمهدی الوانی هیئت علمی دانشگاه علامه طباطبائی

today we are facing with a turbulent world full of complexity and change. contemporary problems are too complicated for rational, logical solutions. they admit insights, not answers. chaos theory is a solution to reveal insights into the structure and the dynamics of complex systems. chaos theory is in formative stage, but we can use it in management practices. this article is about application...

Journal: :انسان پژوهی دینی 0
علی قربانی دانش آموخته دکتری فلسفه تطبیقی دانشگاه قم احمد احمدی استاد گروه فلسفه دانشگاه تهران

in this paper the following subjects are presented: 1) an inquiry regarding john calvin’s theory of sensus divintaitis (sense of deity) – as an innate tendency to believe in god, 2) a discussion about calvin’s influence on subsequent thinkers – i.e. reformed theologians and reformed epistemologists, 3) a brief discussion regarding the relation between calvinist theology and natural theology and...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تهران 1387

چکیده ندارد.

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده فیزیک 1386

در این تحقیق کوانتش میدان های کلین گوردن، دایراک و الکترومغناطیس را در حجم محدود با استفاده از روش بررسی قیود بدست می اوریم. روشی که برای کوانتش این میدان ها به کار می بریم به این صورت است که ابتدا شرایط مرزی را به عنوان قید نوع دوم در نظر می گیریم و سازگاری شرایط مرزی با هامیلتونی کل را محاسبه می کنیم. سپس قیود را بر کلی ترین بسط مولفه های میدان اعمال می کنیم. اعمال قیود باعث حذفی برخی از ضرای...

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