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Computer modeling is considered to be an effective tool to simulate water quality with the changing time and space in the pipeline network. This paper introduces a residual chlorine simulation method by building a hydraulic model of pipeline network peripherals, calculating water age, and finally building the water quality model for residual chlorine. The research conducted in the paper is based on...
The traditional TCB is considered of working on system layer, while TCB in modern information system has extended to application layer. As keeping TCB trusted is one of the preconditions of ensuring information system security, it is necessary to study the trust attributes of extended TCB. In this paper, TCB is compartmentalized into TCB subsets according to the hierarchical structure of policy. Time-isolation...
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