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The tobacco whitefly B-biotype Bemisia tabaci Gennadius (Hemiptera: Aleyrodidae) is a worldwide pest of many crops. In China, chlorpyrifos has been used to control this insect for many years and is still being used despite the fact that some resistance has been reported. To combat resistance and maintain good control efficiency of chlorpyrifos, it is(More)
With the analysis on hospital medical devices management operation, find the medical devices management style of many hospitals are still on the manual side, in lending, returning, warehousing and it bring many problems such as heavy workload, low efficiency, lack of intelligence. Combined with the technology of radio frequency identification (RFID) can(More)
In a competitive environment, the formation of network structures is not only related to the preferential linking but also the multiple state of interacting agents. With an adjustable parameter controlling the growth of networks, we study the correlations between the commonly observed topological properties of networks and the configuration of individual(More)
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