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Analysed the research of groundwater vulnerability assessment worldwide actuality, considered the groundwater system vulnerability should be included in groundwater systems anti-fouling and groundwater system vulnerability.Based on the coupled technique of ANN-GIS, a "Three Chart" method was proposed, the maps of distribution of antipollution and the facility-pollution are compounded, and...
Based on the perspective of System Synergetics, this paper starts with the analysis of definition and characteristics of self-organization of the Ecosystem of Cyber-society. Then it analyzes the formation process of the self-organization of the Ecosystem of Cyber-society and constructs the dynamic model of its self-organization. Studies have shown that using the dynamic model self-organization of...
A discrete mathematical model with time delays for the transmission of malaria is established. The basic reproductive number R0 of the model is defined. Numerical simulations are given to show that the disease free equilibrium is stable when R0<;1 and the unique positive equilibrium is locally asymptotically stable when R0 > 1. The elasticity of the basic reproductive number with respect to...
A thermal wave human tissue control equation is developed and used as an extension of Stolwijk's model of human thermoregulation in the study. The human thermophysiological response will be investigated by mathematical model and human tests with clothing systems. Work conditions for fire fighters can be described according to the environment temperature and the incident radiant heat flux. The modified...
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