نتایج جستجو برای: molecuar dynamics
تعداد نتایج: 439918 فیلتر نتایج به سال:
به کارگیری دینامیک های جاذب نقطه ای به عنوان حافظه های انجمنی به دهه ی هشتاد میلادی و معرفی شبکه ی هاپفیلد باز می گردد بازیابی حافظه در این سیستم ها با استفاده از شبکه های بازگشتی صورت می گیرد. در کنار این دینامیک های جاذب وجود فعالیت ماندگار در سلول های مغز به همراه ساختارهای بازگشتی در نواحی قشری مغز، ما را به سمت تکامل دینامیک های جدیدتری به نام شبکه های عصبی یا جاذب های پیوسته سوق می دهد. د...
this study aims to determine the relationship between organizational culture factors and employees’ group dynamics in general office of education in mazandaran province during 2013-2014. it is a descriptive-survey research. the statistical population consists of 273 employees working in general office of education in mazandaran province by whom 120 people are selected by stratified random sampl...
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qct calculations were performed to study the behavior of energized nh2oh formed by association collision of nh2 radical with oh radical. a potential energy surface that describes the behavior of the title reaction has been constructed by interpolation of ab initio data. h2o, hon, hno, nh3, o, h2no, cis or trans-honh, and h products and two vibrationally energized nh2oh and nh3o adducts were obs...
background: nowadays the eutrophication of water bodies is enhanced due to discharge of effluents and runoffs. therefore, there is a demand for the management of natural and artificial lakes to prevent or postpone this problem. lakes eutrophication is a complex process. therefore computerized models are very important tools to describe this process. although there are several models for this, b...
conclusions the results indicated that the model, compared with other models, was user-friendly and the desired results were obtained by a minimal data. materials and methods the current paper developed a process model. first, a sketch of nitrate and ammonia storage, their specifications and parameters were set out and created on a page, and then, mathematical relations of each process were set...
introduction: the main objective of the present study was to investigate the effect of preceding pictorial stimulus on the emotional autonomic responses of the subsequent one. methods: to this effect, physiological signals, including electrocardiogram (ecg), pulse rate (pr), and galvanic skin response (gsr) were collected. as these signals have random and chaotic nature, nonlinear dynamics of t...
this paper aims to study a generalized double sinh-gordon equation, which appears in several physical phenomena such as integrable quantum field theory, kink dynamics and fluid dynamics. lie symmetry analysis together with the simplest equation method is used to obtain exact solutions for this equation. moreover, we derive conservation laws for the equation by using two different approaches, na...
We investigate some properties of approximately quasi inner generalized dynamics and quasi approximately inner generalized derivations on modules. In particular, we prove that if A is a C*-algebra, is the generator of a generalized dynamics on an A-bimodule M satisfying and there exist two sequences of self adjoint elements in A such that for all in a core for , , then is approx...
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