نتایج جستجو برای: economic systems

تعداد نتایج: 1464925  

Journal: :international journal of health policy and management 2013
marianna fotaki

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم اجتماعی و اقتصادی 1389

abstract nowadays, the science of decision making has been paid to more attention due to the complexity of the problems of suppliers selection. as known, one of the efficient tools in economic and human resources development is the extension of communication networks in developing countries. so, the proper selection of suppliers of tc equipments is of concern very much. in this study, a ...

Journal: :iranian journal of earth science 0
e. uyigue executive director, community research and development centre (credc),266 ugbowo-lagos road, benin city o. a. ediang nigerian meteorological agency, pmb 1215 oshodi lagos, nigeria. a. a. ediang nigerian meteorological agency, pmb 1215 oshodi lagos, nigeria.

climate change and its possible impacts on the environment and socio-economic systems now constitute the most important environmental problem facing mankind in the 21st century. climate change will increase poverty and hardship, endanger food security, destabilize economies, decrease food and water and create social insecurity in many countries and undermine our goals for achieving sustainable ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه الزهراء - دانشکده علوم اجتماعی و اقتصادی 1386

چکیده ندارد.

Journal: :Atlantic Economic Journal 2011

2014
LIqIANG CHEN

IT (Information Technology) entrepreneurs have been contributing greatly to economic growth and job creation. Despite this, IT entrepreneurship remains understudied in business research. In particular, studying IT entrepreneurial behavior has been ignored in both Information Systems (IS) and entrepreneurship disciplines. This study for the first time empirically examines IT entrepreneurial beha...

2012
Yaolong Zhao Ke Zhang Yingchun Fu Hong Zhang

Monitoring land-use/land-cover change (LULCC) and exploring its mechanisms are important processes in the environmental management of a lake watershed. The purpose of this study was to examine the spatiotemporal pattern of LULCC by using multi landscape metrics in the Lake Dianchi watershed, which is located in the Yunnan-Guizhou Plateau of Southwest China. Landsat images from the years 1974, 1...

Journal: :international journal of smart electrical engineering 2015
maryam darabi saeid piri

in this paper, the electrical consumption of a research center building is derived of the bills, then with defining of fuzzy bus thermal coefficient objective function for heating, the amount of available heat selling to research center building consumer that is produced by biomass solar hybrid source is calculated. with the capacity determination of biomass solar hybrid source to provide therm...

پایان نامه :0 1392

nowadays in trade and economic issues, prediction is proposed as the most important branch of science. existence of effective variables, caused various sectors of the economic and business executives to prefer having mechanisms which can be used in their decisions. in recent years, several advances have led to various challenges in the science of forecasting. economical managers in various fi...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تهران - دانشکده حقوق و علوم سیاسی 1388

چکیده ندارد.

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