نتایج جستجو برای: the planning demand supply
تعداد نتایج: 16113418 فیلتر نتایج به سال:
nowadays, air pollution is a global problem that has had significant growth by technology development, population growth andindustrial development. industrial development brought natural resources deterioration, more manufacturing products, and more environmental pollutants. if pollutant won’t be controlled, human-being and wildlife will face the critical risks. significant release and critical...
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 s...
This paper studies planning problems for a group of heating systems which supply the hot water demand for domestic use in houses. These systems (e.g. gas or electric boilers, heat pumps or microCHPs) use an external energy source to heat up water and store this hot water for supplying the domestic demands. The latter allows to some extent a decoupling of the heat production from the heat demand...
Evaluation of Intelligent Transportation Systems (ITS) at the planning level, as well as various short-term planning projects, require the use of appropriate tools that can capture the dynamic and stochastic interactions between demand and supply. The objective of this thesis is to develop a methodological framework for such applications and implement it in the context of an existing dynamic tr...
CONTEXT Previous studies have identified positive relationships between geographic proximity to family planning services and contraceptive use, but have not accounted for the effect of contraceptive supply reliability or the diminishing influence of facility access with increasing distance. METHODS Kernel density estimation was used to geographically link Malawi women's use of injectable cont...
In the recent decades, rapid population growth has led to the significant increase in food demand. Food supply chain has always been one of the most important and challenging management issues. Product with short age, especially foodstuffs, is the most problematic challenges for supply chain management. These challenges are mainly due to the diversity in the number of these goods, the special n...
Over the past decade, the high-tech industry has been experiencing an unprecedented acceleration of technology innovations and rapid product introduction cycles. At the same time, the industry has been moving rapidly away from regional vertical integration toward a supply chain structure that is fundamentally global. In this paper, we describe a critical operational problem that arises in this ...
Aims :Water is considered as one of the main sources for development in Iran, especially in the margin of desert. Its lack is one of the main limiting factors in the life of a society and the development of economic activities. Regarding the fundamental problems in urban water supply in Yazd province, combined management of water supply and demand in order to balance the future supply and dema...
A survey of past entrepreneurship models shows that they are supply-oriented and they focus on supply factors for developing entrepreneur-ship. Therefore, in order to develop entrepreneurship, they basically look for and study factors related to supply. In accordance with this approach, the government's role has been stu-died with emphasis on the supply dimension. In addition, the previous st...
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