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Forest products and water retention produced by forest are essential for the wellbeing of humans. Taking the subcompartment as the basic evaluation unit, based on geographic information system (GIS), we estimated the economic value of water retention by forest ecosystems in Benxi County of Liaoning province of china, and attempted to integrate evaluation and practical forestry management activity...
Modern mine production has brought unprecedented demands on the safety, high yield, and high efficiency, which means to realize the integration management control of decision making, production process management, and process control on the basis of the production mode on spot adopts automation equipment. The aim of establishing integrated management control information system of mine production and...
In this paper the authors analyzed the coal mine accidents causes from system dynamics perspective which is different from traditional accident analysis. With system dynamics simulation method, the authors analyzed the kinds of hazards and unsafe behavior of employees in the coal mine accidents of China from organizational and management perspective. Time delay and feedback effect in the system cause...
Influenced by high-strength agricultural activities, climate and so on, the system of groundwater resources has gained more characters of complex system in Sanjiang Plain. Take Jiansanjiang Bureau for example, the approximate entropy is adopted to analyze the complexity of groundwater depth series in 7 production teams. The results show the complexity order from big to small as follows: 4th production...
Petrochemical Industry is a natural monopoly industry. How to introduce competition into Petrochemical Industry to make the development of this industry more Sustainable and efficient is a question attract the attention of all government. Based on SCP Framework, this paper analyzes statues of China's petrochemical industry. By using DEA , this paper evaluates performance of reform. Meanwhile, this...
This paper studies the competitive powers evaluations of construction enterprises in all of the provinces (autonomous regions) and municipalities in China by using DEA. In the process of establishing evaluation model, after a comprehensive analysis, number of construction enterprises and number of employees are selected as input indexes, and the annual gross products of all parts of China and per...
Water resource environment conflict becomes the important factors of endangering the peace and stability of regions and restricting the sustainable development of theirs. Many cross area issues of water resources environment are the game outcomes among regional governments who compete for resources and environment for their own regional benefit. It has become one of the important duties of water resources...
This paper is focus on reverse logistics which is a part of "environmental logistics". With the development of high-tech, the "win-win" strategy that developing economy and protecting the environment has gained more and more attention nowadays. This paper is organized into 5 sections. In section 1 and 2, the motive factors of the reverse logistics implementation and the current...
With the method of theoretical analysis this paper systematically introduces some important viewpoints of market exchange for property right of mineral resources according to the Interest-value Theory, which is the results of the project of National Natural Science Foundation of China (NSFC), named Interest-value Theory and Problems of Capitalization for Mineral resources (project No.79670094). For...
In this paper, the reasons that make a supply chain vulnerable to disruption risks are analyzed; the necessity and significance of developing supply chain disruption risk management strategies that have direct impacts on the effectiveness of supply chain disruption risk management is discussed, combined with the practice of China. Considering the characteristics of disruption risks, the supply chain...
In light of the working process of S&T system and by means of data envelopment analysis and statistics, this paper establishes an index system from the investment in science & technology, its research and development, and its contribution, thus evaluating the performance of science and technology. Meanwhile, it constructs the framework to evaluate the scientific & technological performance...
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