نتایج جستجو برای: m model whosecodes are written by dr shapoor mohamadi
تعداد نتایج: 9797939 فیلتر نتایج به سال:
a semi-empirical mathematical model for predicting physical part of ignition delay period in the combustion of direct - injection diesel engines with swirl is developed . this model based on a single droplet evaporation model . the governing equations , namely , equations of droplet motion , heat and mass transfer were solved simultaneously using a rung-kutta step by step unmerical method . the...
introduction: medical libraries and information centers, as service organizations, need standard tools and methods to be able to measure and increase quality of their services, so as to be able to meet the needs of their users in support of the improvement of the performance of their parent institutions. methods: one of the available standard tools of quality measurement is the european foundat...
testing plays a vital role in any language teaching program. it allows teachers and stakeholders, including program administrators, parents, admissions officers and prospective employers to be assured that the learners are progressing according to an accepted standard (douglas, 2010). the problems currently facing language testers have both practical and theoretical implications but the first i...
A method for classifying n-species reaction-diffusion models, admitting shock solutions is presented. The most general one-dimensional twospecies reaction-diffusion model with nearest neighbor interactions admitting uniform product measures as the stationary states is studied. Satisfying more constraints, these models may experience single-shock solutions. These models are generalized to multi-...
the methods which are used to analyze microstrip antennas, are divited into three categories: empirical methods, semi-empirical methods and full-wave analysis. empirical and semi-empirical methods are generally based on some fundamental simplifying assumptions about quality of surface current distribution and substrate thickness. thses simplificatioms cause low accuracy in field evaluation. ful...
A nonuniform extension of the Glauber model on a one-dimensional lattice with boundaries is investigated. Based on detailed balance, reaction rates are proposed for the system. The static behavior of the system is investigated. It is shown that there are cases where the system exhibits a static phase transition, which is a change of behavior of the static profile of the expectation values of th...
(The following note written by the editor is based on information provided by Dr. B. C. Chatterjee of the Campbell Hospital, Calcutta, and Dr. B. M. Paul, School of Tropical Medicine, Calcutta.) When patients are very collapsed and large amounts of fluid have to be given intravenously, it is often difficult or impossible to g?t a hypodermic needle into a vein, and it is usually best to dissect ...
saluk mount is selected for devonian biostratigraphy. this area located at southwest of bojnurd. in this study three sections are selected and two sections, chahar-borj and tabar sections with a thickness of 650 m, which consist mainly of calcareous sediments was studied in detailed but third section, qelli section, with a thickness of about 450m which consist mainly of sandstone and evaporates...
edzEvaluation of treatment prognosis in traumati anterior teeth in dental schools of Shaheed Beheshti and Tehran during 1995-2000 Dr. MA. Tavakoli* - Dr. M. Asnaashari ** - Dr. S. Shafee Ardestani*** *- Associate professor of Oral radiology Dept.- Faculty of Dentistry - Shaheed Beheshti University of Medical Sciences. ** - Associate professor of Endodontics Dept.- Faculty of Dentist...
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