Dechen Liu

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In recent years, route bus service systems have been collecting and accumulating bus probe data such as GPS positions and traffic speeds from all route buses, day after day. In the present paper, we propose a method to analyze the conditions of a road traffic network from a huge amount of the route bus probe data. First, we show a conversion method from the(More)
Inbound special goods include four categories of microorganisms, biological products, and human tissue, blood and blood products, the nature of which is quite complex. Many special goods contain bacteria, viruses and other pathogens, thus some may carry pathogenicity, infectivity and some unknown natures, which could cause great harms to human beings or(More)
Lignin-derived hierarchical porous carbon (LHPC) was prepared through a facile template-free method. Solidification of the lignin-KOH solution resulted in KOH crystalizing within lignin. The crystalized KOH particles in solid lignin acted both as template and activating agent in the heat-treatment process. The obtained LHPC, exhibiting a 3D network,(More)
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