نتایج جستجو برای: power market and operators between units however

تعداد نتایج: 17010552  

The fossil fuels consumption is rapidly growing due to increased water and electricity demands. An interconnected water-energy nexus is generally composed of thermal power plants, combined potable water and power (CWP) generation units, and desalination only processes. Hence, participation of hydro power plants in electricity generation facilities not only reduces the total fuel consumption of ...

پایان نامه :وزارت بهداشت، درمان و آموزش پزشکی - دانشگاه علوم پزشکی و خدمات بهداشتی درمانی مشهد - دانشکده دندانپزشکی 1390

objective: the objective of this study was to investigate the invitro fluoride release of four new self-adhesive resin cements; set (sdi, australia), breeze (pentron, usa), embrace wetbond (pulpdent, usa), g-cem (gc, japan) and to assess the bonding performance of these self-adhesive resin cements for bonding of orthodontic brackets. materials and methods: for fluoride release experiment, six ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم انسانی 1390

this study was designed and conducted to find out if there is any significant relationship between iranian efl learners preferance for one of the three degrees of obtrusiveness in foreign language instruction (focus on form, forms and meaning) and their preferred experiential learing style. to collect the data two questionnaires were used. the first one on the degree of obtrusiveness and the se...

2014
E. Heydarian-Forushani M. K. Sheikh-El-Eslami

14 15 Wind power integration has always been a key research area due to the green future power system target. However, the 16 intermittent nature of wind power may impose some technical and economic challenges to Independent System Operators 17 (ISOs) and increase the need for additional flexibility. Motivated by this need, this paper focuses on the potential of Demand 18 Response Programs (DRP...

2012
O. Abedinia Ebrahim S. Barazandeh N. Amjady

In this paper, Multi Objective Harmony Search Algorithm (MOHSA) is used to solve the Unit Commitment (UC) problem between thermal generating units with wind impact an electricity market to minimize total cost to achieve a real system considered with various generator and wind constraints in power systems. Today the wind power is utilized as energy in power systems to play an important role in r...

Journal: :اقتصاد و توسعه کشاورزی 0
حسین اصغرپور فیروز فلاحی علی دهقانی

the main objective of this paper is to investigate the effect of innovation on the market share instability in the iranian food and drinking industry with a 4- digit code. according to schumpeter that states one of the most important hypothesis in this area, says there are a non-linear and an inverse of u-shaped relationship between the two variables of innovation and market share instability. ...

پایان نامه :دانشگاه بین المللی امام خمینی (ره) - قزوین - دانشکده علوم اجتماعی 1389

چکیده در این پژوهش، رابطه بین سبک های مقابله ای با جرأت ورزی و پرخاشگری در دانشجویان دانشگاه بین المللی امام خمینی (ره) بررسی شد. نمونه مورد بررسی، شامل 200 نفر (121 زن و 79 مرد) از دانشجویان دانشگاه مورد نظر در دو جنس است که از طریق روش نمونه گیری خوشه ای تصادفی، انتخاب و به پرسشنامه های الگوهای پاسخ دهی بین فردی تونند و پرسشنامه سبک های مقابله ای اندلر و پارکر پاسخ دادند. همچنین از روش های ...

2001
Richard E. Schuler

Since electricity, and its reliable provision on command, is a multi-attribute commodity, it should be priced over multiple dimensions if it is to be provided efficiently, and that requires multiple but related markets. So far New York is the only domestic electricity market that has introduced separate segments for ancillary services, together with eleven locationally defined markets for energ...

2016
Pedro Faria Tiago Soares Zita Vale Hugo Morais

Recent changes in the operation and planning of power systems have been motivated by the introduction of Distributed Generation (DG) and Demand Response (DR) in the competitive electricity markets’ environment, with deep concerns at the efficiency level. In this context, grid operators, market operators, utilities and consumers must adopt strategies and methods to take full advantage of demand ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تهران 1370

the subjects of the study are only the tefl teachers and students at gilan university. to obtain the desired data, a questionnaire which was based on the theories and disecussions gathered, was used as the main data gathering instrument. to determine the degree of relationship between variables, covariance and pearson product moment correlation coefficient were the formulas applied. the data we...

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