نتایج جستجو برای: continuous model
تعداد نتایج: 2309834 فیلتر نتایج به سال:
We consider the model for the distribution of a long homopolymer in a potential field. The typical shape of the polymer depends on the temperature parameter. We show that at a critical value of the temperature the transition occurs from a globular to an extended phase. For various values of the temperature, including those at or near the critical value, we consider the limiting behavior of the ...
In this paper the Dynamic User Equilibrium is formulated and solved as a fixed point problem in terms of time-continuous real valued temporal profiles of arc inflows and arc performances, where travel demand is specified both through a deterministic and a stochastic implicit path choice model. By extending to the dynamic case the concept of Network Loading Map, yielding arc flows for given dema...
this paper deals with continuous frames and continuous riesz bases. we introduce continuous riesz bases and give some equivalent conditions for a continuous frame to be a continuous riesz basis. it is certainly possible for a continuous frame to have only one dual. such a continuous frame is called a riesz-type frame [13]. we show that a continuous frame is riesz-type if and only if it is a con...
In this paper, we study metric structures with a nite number of metrics by extending the model theory developed by Ben Yaacov et al. in the monograph Model theory for metric structures. We rst de ne a metric structure with nitely many metrics, develop the theory of ultraproducts of multimetric structures, and prove some classical model-theoretic theorems about saturation for structures with mul...
Background and Aim: Sleep disorders are many of the most common complications of post-traumatic stress disorder (PTSD) after war that disrupt the quality of life of veterans. Therefore, the current study was aimed to evaluate the effect of the continuous care model on sleep quality in veterans with PTSD. Methods: This was a semi-experimental single-group interventional study with before and aft...
abstract the present study was conducted to investigate the effect of using model essays on the development of writing proficiency of iranian pre-intermediate efl learners. to fulfill the purpose of the study, 55 pre- intermediate learners of parsa language institute were chosen by means of administering proficiency test. based on the results of the pretest, two matched groups, one as the expe...
background: investigators frequently encounter continuous outcomes with plenty of values clumped at zero called semi-continuous outcomes. the gensini score, one of the most widely used scoring systems for expressing coronary angiographic results, is of this type. the aim of this study was to apply two statistical approaches based on the categorization and original scale of the gensini score to ...
A mixed order model is proposed for describing thermoluminescence (TL) glow peaks with continuous and uniform distribution of trapping states. It is shown that the presented function reduces to the simple known models at the limiting cases. The function for TL intensity has been introduced in terms of intensity and temperature of the peak maximum. These parameters can easily be estimated from t...
Background: Aging is accompanied by the mitigation of sleep quality in the elderly, thereby affecting their physical and social dimensions and quality of life. However, studies have not addressed sleep problems in the elderly by means of a holistic approach, such as continuous care model (CCM). Aim: The aim of this study was to determine the effects of CC...
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