نتایج جستجو برای: evaluation of science production
تعداد نتایج: 21288033 فیلتر نتایج به سال:
The paper proposes a new integrated approach for supporting firms in their decisions of dimensioning automated production systems. The problem is closely related to the performance evaluation of the system since discriminating indicators are necessary to rank different alternatives. Traditionally analytical methods and simulation have been used to evaluate the production system performance, wit...
The objectives of the research are to examine the energy utilization profile of the wood manufacturing industry with respect to system level production parameters and investigate the viability of specific energy efficiency measures. The Industrial Assessment Center (IAC) has conducted energy assessments in the wood manufacturing industrial sector in the State for several years. The energy utili...
The design of a manufacturing systems is a complex and critical activity entailing decisions with an impact on a long time horizon and a major commitment of financial resources. Indeed, the modelling, simulation and evaluation of manufacturing systems are relevant activities both in the design and the operational phases of a factory. This paper grounds on the results of the Virtual Factory Fram...
عنوان: بررسی اوضاع فرهنگی گیلان (از انقلاب مشروطیت تا به قدرت رسیدن رضا شاه ) نویسنده: افضل افشاری سال :90-1389 استاد راهنما: دکتر ابوطالب سلطانیان استاد راهنما: دکتر حسن کهنسال واجارگاه چکیده: این پژوهش می کوشد اوضاع فرهنگی گیلان را از دور? مشروطیت تا ظهور رضا خان بررسی نماید و کم و کیف آن را آشکار سازد. انقلاب مشروطیت دو دستاورد مهم فرهنگی را در پی داشت؛ یکی انتشار گسترد? مطبوعات د...
چکیده ندارد.
To build the Green Production System is a practice of green development in China, which is an important way to transform the economic development mode and to complete ecological civilization construction. This study defined the meaning of Green Production System, constructed the green production evaluation index system and made empirical evaluations on green production situation of several adva...
In flexible manufacturing environments, the performance of a production system is often affected by the sequence of operation. While performance evaluation, improvement and lean design of production system have been studied extensively, the joint effect of productivity and quality parameters on operation sequencing remains practically unexplored. Indeed, determining the optimal operation sequen...
abstract: the potato tuberworm, phthorimaea operculella (zeller), is an important insect pest of potato (solanum tuberosum l.) in the storage and field in most parts of the world especially in tropical and subtropical regions due to its close relationship with the host, high reproductive potential and high economic losses. information on host preference, life table parameters and digestive en...
Modeling and performance evaluation of current production systems gains more and more importance because of growing system complexity and production costs. Therefore tools and methods are needed that allow a simple modeling and performance evaluation of systems. The goal of this paper is to give a short introduction into the speci cation of production systems using the model description languag...
Ordinary t-timed modular Petri Nets are used for modeling, analysis, synthesis and performance evaluation of random topology dedicated production systems. Each system is first decomposed into production line, assembly, disassembly and parallel machine modules followed by derivation of their modular Petri Net models. Two sets of modules, generic and generalized respectively, are derived correspo...
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