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Government supervision is one of the significant factors which influence the supervision of coal mine production safety, and the level of coal mine production safety is related directly to the performance of government supervision. In this paper, Dempster-Shafer theory is used to analyze the influencing factors of government supervision performance. Then, the index system and the evaluation model...
This paper indicates the immanent conflict between the way of watershed management and prevention of sudden Water Pollution Accidents in our country. For this reason, a new concept "Trans-boundary Sudden Water Pollution Accidents" has been proposed, and on the base of its characteristics, forecasting mechanism has been researched. On the base of PSR model, we choose 9 forecasting indexes...
The evaluation pattern that risk degree is a product of danger degree and vulnerability were introduced based on natural disasters risk expression recommended by the Humanitarian Affairs Department of United Nations. The transformed values function were put out to transfer overtopping probability into danger degree, which were measured on a scale of 0 to 1. "Property index" and "population...
Urban flood control layout, based on which urban flood control engineering projects are constructed, will be synthetically evaluated taking into consideration the social, political, economic, environmental and technical factors involved in different levels. Furthermore, a hierarchical structure model for urban flood control layout is presented in this paper. Then a grey-AHP model is proposed based...
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