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The AnnAGNPS model (Annualized Non-Point Source Pollution Model) is applied to analyze the spatial and temporal heterogeneity of agricultural non-point source pollutant loading in Zhangxi Watershed. The spatial database and attribute database of non-point source pollution is then established. Our result shows that in spatial scale, absorbed nitrogen has great spatial heterogeneity, while dissolved...
Human performance principles, indicators, their metrics and information sharing techniques are applied to nanotech sustainability assessment and risk communication in this paper. The purpose is to optimize the nano-risk performance in sustainable nanotech development. The method takes human physical and cognitive capabilities, limitations into consideration during nanotech sustainability modeling...
Brought into focus by sustainable development along with related issues of resource efficiency and health hazard reduction, sustainability in industrial waste recycling is becoming an emerging area with potentials to contribute to environmental protection, economic development and social benefit. This paper examines a sustainability management approach to the development of sustainable recycling technologies...
The cooling tower is a significant device of the circular cooling water system in thermal power plants, whose cooling performance will directly affect the operation stability of steam-turbine unit and the efficiency of cold-end system. As the construction and development of thermal power plants, especially nuclear power plants and solar power plants, the requirement for the construction cost of cooling...
In this paper, we investigate a cost-effective wireless broadband service provision from high altitude platforms (HAPs) and an economical business model design. Different deployment strategies of HAP system are illustrated in terms of a stand-alone HAP system and in collaboration with terrestrial or satellite systems. An IEEE 802.16 fixed broadband service from HAP is examined to show the effectiveness...
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