نتایج جستجو برای: development of gas supply networks

تعداد نتایج: 21344805  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده ادبیات و علوم انسانی 1388

the purpose of this study was to investigate how english language teachers in mashhad who teach students in the pre-university cycle perceived the impact of the efltee on their teaching. the target population was nearly all pre-university english language teachers in seven districts of mashhad in the scholastic year 2008/2009. a survey questionnaire which consisted of (36) likert type items, wa...

Background and objective: Water supply networks are among the main and vital infrastructures of any city, therefore maintaining the safety of water supply facilities and considering necessary arrangements during encountering the critical conditions is among the main concerns of officials related to security issues of any country. For this purpose, investigation of these facilities in terms of p...

Journal: :international journal of industrial engineering and productional research- 0
m. miranbeigi control engineering phd candidate, control and intelligent processing centre of excellence, university of tehran a.a. jalali associate professor of department of electrical engineering ,iran university of science and technology, tehran , iran , a. miranbeigi mechanical engineering msc student, shahid rajaee teacher training university

supply chain network   receding horizon control demand move suppression term   supply chain networks are interconnection and dynamics of a demand network. example subsystems, referred to as stages, include raw materials, distributors of the raw materials, manufacturers, distributors of the manufactured products, retailers, and customers. the main objectives of the control strategy for the suppl...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه لرستان - دانشکده علوم پایه 1389

abstract part one: the electrode oxidation potentials of a series of eighteen n-hydroxy compounds in aqueous solution were calculated based on a proper thermodynamic cycle. the dft method at the level of b3lyp-6-31g(d,p) was used to calculate the gas-phase free energy differences ,and the polarizable continuum model (pcm) was applied to describe the solvent and its interaction with n-hydroxy ...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده مدیریت 1391

one of the most important factors in study of project’s , is the study of environmental opportunities factors the permanent study of environmental opportunity factors . the study of permanent environmental changing and knowing golden threats’ cooperate with possible threats and at the result in structure forming and future skeleton of organization has a vital effects . the petrochemical industr...

Technological entrepreneurship at oil and gas knowledge-based companies plays an important role in the growth of societies by increasing the technological capacity of the economy through the production, transfer, and dissemination of technological products in todaychr('39')s competitive era. Due to the technology-oriented nature of the oil and gas industry and the high costs of its research and...

2013
Christian Kanzian Martin Kühmaier Jan Zazgornik Karl Stampfer

For the replacement of fossil fuel forestry biomass should help mitigating Green House Gas (GHG) emissions. However the supply of energy wood is challenging because of high supply costs and rapidly increasing demand. Considering the typical, heterogeneous structure of landownership, contractors and energy producers in Mid-Europe, supply network optimization becomes of major importance. Mathemat...

2006
Gaudenz Koeppel Göran Andersson

Modern gas-fired power stations are discussed as an alternative for replacing eventually decommissioned nuclear power stations. With an also increasing number of smallest-scale gas turbines, the importance of the gas network is hence likely to increase in coming years. The presence of converters as e.g. a combined cycle gas turbine raises the question if and to what extent the electrical networ...

Technological entrepreneurship at oil and gas knowledge-based companies plays an important role in the growth of societies by increasing the technological capacity of the economy through the production, transfer, and dissemination of technological products in todaychr('39')s competitive era. Due to the technology-oriented nature of the oil and gas industry and the high costs of its research and...

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