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Large cascading failures are present in most of infrastructure networks. This paper reviews the problem of cascades of overload failures on nodes in the security of complex networks. Here we propose a nonlinear load-capacity model for cascading failures based on the dynamical redistribution of the flow on the network. The simulation was executed on the weighted scale-free network and Internet AS level...
This paper introduces the advanced technical idea of workflow technology to manage the procurement process with flexibility, which can satisfy the requirements of necessary changes rapidly for the modern enterprises. On the basis of reference model of workflow, the data structure of workflow relevant data which used to manage and control the process in workflow engine are discussed firstly. Then,...
TTC-electron transport system activity and OUR tests were compared for assessing heavy metal inhibition of activated sludge. The median inhibitory concentrations (IC50s) of Cu2+, Zn2+, Cd2+, Hg2+, Ni2+, Pb2+ and Ag+ measured via the two tests were similar, which indicates that the TTC-electron transport system activity was similarly sensitive to heavy metal toxicity to OUR. Both TTC-electron transport...
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