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Objectives
The aim of this study was to clarify the immune mechanism of hepatic injury induced by periodontitis using a rat model.
Methods
Twenty‐four SPF male Wistar rats were randomly divided into two groups: control group (CG) and periodontitis group (PG). In order to induce experimental periodontitis, we tied the wire ligature around bilateral maxillary first molar of rats. After 8 weeks, the...
In the modern joint war, the weapon systems portfolio selection is a necessary procedure for military development and research. The research on weapon system portfolio selection has made some achievements. Generally, the multi-objective programming methods and some intelligent algorithms are used to solve the problem. In this paper, the fuzzy clustering analysis and the maximum deviation methods are...
System Portfolio Selection (SPS) problem is equivalent to multi-objective optimization problem, with multi-function requirements incommensurable. In the paper, the SPS problem is re-specified with a more practical formulation, comparing to general portfolio problem. Then, both feasible and non-inferior solution is re-defined considering characteristics of SPS problem, specifically, four rules of system...
The establishment and development of the SoS project need to be carried out by considering the whole benefit of SoS rather than depend on the separate construction of each component system. With the diversification of the exterior environments and required missions, the SoS is confronted with continuous capability requirements (CRs) evolution and the robust capstone planning of the SoS under the changing...
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