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Aspergillus flavus often invade many important corps and produce harmful aflatoxins both in preharvest and during storage stages. The regulation mechanism of aflatoxin biosynthesis in this fungus has not been well explored mainly due to the lack of an efficient transformation method for constructing a genome-wide gene mutant library. This challenge was resolved in this study, where a reliable and...
In a complex heterogeneous wireless sensor networks (HWSN), the individual sensor node is equipped with extremely different battery capacity and computational capability. Node failure is an inevitable phenomenon which leads to decreasing the lifetime and Qos of the networks. Topology control is an energy-efficient technique to prolong the network lifetime and maintain the network Qos. In this paper,...
Disassembly precedence restriction matrix (DPRM) is constructed to describe the Disassembly precedence relation between components of mechanical products. Based on this disassembly matrix, feasible and reasonable transition range which satisfied precedence restriction relation can be derived correctly and completely. Then ant colony optimization (ACO) algorithm is applied to generate geometric feasible...
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