نتایج جستجو برای: resistant elements of nature

تعداد نتایج: 21199496  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز 1389

in reality, most structures involved in geotechnical engineering are three dimensional in nature, and although in many, plane strain or axisymmetric approximations are reasonable, there are some, for which 3-d treatment is required. the quantity of data, and the size of the various vectors and matrices involved in such analysis, increase dramatically. this has sever implications for computer r...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده ادبیات و زبانهای خارجی 1391

این پایان نامه به همراه یک مقدمه شامل ترجمه هشت فصل از کتاب the nature of necessity آلوین پلنتینگا است. مقدمه شامل شرح مختصری از زندگی و افکار پلتینگابه همراه ملاحظاتی در مورد منطق موجهات و مفهوم ضرورت است. و هشت فصل کتاب پلنتینگا شامل،محدوده ضرورت، وجه گزاره ای و وجه شئ ای، ذات گرا‏یی و تحویل به تئوری مجموعه ها، جایگاه ضرورت، تابع هسته ای، جهان ها، کتابها و ویژگی های ذاتی، شاخص بندی اولیه ذات،...

Objective The extensive pollution of natural ecosystems has occurred by organophosphorus pesticides, being used for improvement of crop production in agriculture. Biodegradation is interested in application of multifunctional bacteria containing genetical elements which specially degrade organophosphorus compounds. In this paper the detection of two bacteria species, Pseudomonas and Flavobacte...

Abstract Urban parks are important public multifunctional space used for a wide range of activities. The usage levels of parks depend on the spatial characteristics of the spaces, where its forms and occupancies are referred as the usage-spatial relationship. Natural elements spatial complexity and park usability is of interest in this study. A photo - questionnaire was conducted among 296 of p...

Journal: :Modern Language Notes 1892

Journal: :پژوهشنامه مبانی تعلیم و تربیت 0

the present study aims to offer a constructivist/realistic vision toward the nature and elements of science according to the historical evolution of philosophical perspectives on science. this is done with the aim of revising in science education. according to the findings obtained by this study a two-dimensional model is proposed for explaining elements of science and the related essential cha...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده ادبیات و زبانهای خارجی 1390

monumental changes occurring on a daily basis have altered the world into a global village of expanding technology and shrinking geography in which preparing language learners for intercultural communication seems to be a sine qua non for modern language education. employing a cross-sectional design in its first phase, this study investigated the intercultural sensitivity and language proficien...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده علوم 1375

this thesis basically deals with the well-known notion of the bear-invariant of groups, which is the generalization of the schur multiplier of groups. in chapter two, section 2.1, we present an explicit formula for the bear-invariant of a direct product of cyclic groups with respect to nc, c>1. also in section 2.2, we caculate the baer-invatiant of a nilpotent product of cyclic groups wuth resp...

Journal: :Computers & Graphics 2003
Branka Spehar Colin W. G. Clifford Ben R. Newell Richard P. Taylor

Since their discovery by Mandelbrot (The Fractal Geometry of Nature, Freeman, New York, 1977), fractals have experienced considerable success in quantifying the complex structure exhibited by many natural patterns and have captured the imaginations of scientists and artists alike. With ever-widening appeal, they have been referred to both as ‘‘fingerprints of nature’’ (Nature 399 (1999) 422) an...

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