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LPG is one of the Hazardous sources in city. Once a fire and explosion accident happens, large people injuring and property loss will be caused. Through analysis on hazardous factors of LPG station, the fault tree of LPG station explosion has been established. Combining Monte-carlo method, the theory and method of stimulation of hazards has been analyzed and expatiated in detail. For the feasibility...
Leakage location and monitoring of gas network is one of difficulties and hot issues of research in the field of gas transmission and distribution and security. Therefore, establishing simulation experiment of gas network and monitoring system has great significance to control and reduce the leakage accidents. On the basis of the analysis to actual gas network system, a kind of establishing a set...
With much affect factors, the corrosion of pipeline under the complicated surroundings is not avoided. Leakage of gas will affect the running of transportation system, and lead to the happening of accidents, the damage on the personnel and property, as well as the pollution of environmental and waste of energy sources. So, the prediction of the corrosion rate and its' law have important interest for...
Urban environmental quality is affected by many factors. There is no generally acknowledged and exercisable method for urban environment qualities assessment. Based on character of urban environment system information, evaluation method of unascertained measure model is adopted in urban environment qualities evaluation in this paper. The unascertained measure model divides the evaluation space orderly,...
Indoor air quality is one of the main factors, which affect indoor environment. Through analyzing indoor air quality (IAQ), 9 main factors have been established in this paper, such as temperature, wind speed and relative humidity, and so on. By the adaptive degree of human's physiology and psychology to indoor environment, IAQ is partitioned into 3 grades that are comfortable, rather comfortable and...
Indoor environment is the main concerns of the occupants of a building. A good working environment will help to provide the user with a good sense of well-being, inspiration and comfort. Therefore, accurate mathematic model of indoor environment analysis is important for predicting, evaluating the degree of indoor environment. In order to make an accurate and objective assessment for indoor environment,...
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