نتایج جستجو برای: system model

تعداد نتایج: 3856064  

Journal: :iranian journal of public health 0
saeed manavi dept. of curative affairs, ministry of health and medical education, tehran, iran. alireza olyaee manesh dept. of curative affairs, ministry of health and medical education, tehran, iran ; dept. of payment and financing of health system, national institute for health research, tehran university of medical sciences, tehran, iran. shahram yazdani school of medical education, shahid beheshti university of medical sciences, tehran, iran. lida shams school of public health, tehran university of medical sciences, tehran, iran. taha nasiri health management research center, baqiyatallah university of medical sciences, tehran, iran. armin shirvani dept. of curative affairs, ministry of health and medical education, tehran, iran.

regarding the role and importance of paradigm of evidence based practice and its remarkable impact on the effectiveness and efficiency of clinical services and healthcare, development of an integrated system seems necessary in order to manage dispersed data and ensure using evidence in clinical decision making, thus the aim of this study was designing a model for implementing national system of...

In this paper, a model for closed loop solar system is presented and an attempt is made to generalize the model to be utilized for primary design of any solar active thermal system. This model may be used for systems in which gas or a liquid are fluids that flow. Two new parameters, namely, the system heat delivery factor and the system heat absorption factor are introduced in the model. These ...

Journal: :journal of research in rehabilitation sciences 0
سید علیرضا درخشان راد مهدی رصافیانی حجت اله حقگو امیلی اف پیون همایون ناظران sayed alireza derakhshanerad

abstract introduction: neuro-occupation is one of the newest models in occupational therapy (ot). the nature of this model is based on the coexistence and dynamic interactions between brain’s neural system functions and engagement of an individual in occupations. neuro-occupation model holistically views the individual as a blending of neuroscience and occupation. the human brain is perceived t...

In this paper, condition monitoring of a geared rotor system using finite element (FE) model updating and particle swarm optimization (PSO) method is onsidered. For this purpose, employing experimental data from the geared rotor system, an updated FE model is obtained. The geared rotor system under study consists of two shafts, four bearings, and two gears. To get the experimental data,  iezoel...

Journal: :environmental resources research 2013
amir sadoddin rebecca kelly tony jakeman barry croke lachlan newham

addressing environmental management problems at catchment scales requires an integrated modelling approach, in which key bio-physical and socio-economic drivers, processes and impacts are all considered. development of decision support systems (dsss) for environmental management is rapidly progressing. this paper describes the integration of physical, ecological, and socio-economic components i...

Journal: :مهندسی صنایع 0
yaghoob gholipour department of civil engineering parviz mohammad zadeh faculty of new science and technology mohadeseh sadat shirazi faculty of new science and technology

this paper presents an efficient global meta-model building technique for solving high fidelity multidisciplinary design optimization (mdo) problems. the main difficulties associated with mdo are often characterized by interdisciplinary couplings, high computational cost of an analysis in individual disciplines and a large number of design variables and constraints. these issues result in very ...

Journal: :Nippon Eiyo Shokuryo Gakkaishi 1998

Journal: :international journal of maritime technology 0
farhad hosseinlou university of tabriz alireza mojtahedi university of tabriz

marine industry requires continued development of new technologies in order to produce oil. an essential requirement in design is to be able to compare experimental data from prototype structures with predicted information from a corresponding analytical finite element model. in this study, structural model updating may be defined as the fit of an existing analytical model in the light of measu...

Journal: :journal of applied research in water and wastewater 2014
seyed masoud tayefeh cheraghali amin sarang mohammad ali zahed hossein vahidi moazameh akbari

one of the main problems in the quality control of rivers is the high control cost imposed upon pollutant units. the cooperative policy approach in the treatment process between two or more pollutant units is a new and economic perspective in the environmental management of catchment basins. origins of large amounts pollutants which require a high cost to control pollution are trying to start p...

Journal: :international journal of environmental research 2010
b.c pijanowski a. tayyebi m.r. delavar m.j. yazdanpanah

urban expansion model (uem) was adapted to simulate urbanization which implements geospatial information systems (gis), artificial neural networks (anns) and remote sensing (rs). two satellite imageries with specific time interval, socio-economic and environmental variables have been employed in order to simulate urban expansion. socio-economic and environmental variables were used as inputs wh...

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