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A high-pressure fixed bed reactor was used to study the formation condition of K 2 CO 3 ·1.5H 2 O and the significance of K 2 CO 3 ·1.5H 2 O in reducing the regeneration energy required for potassium-based sorbents. The reaction heat of K 2 CO 3 converted into KHCO 3 in the following reaction: K 2 CO 3 (s)+CO ...
The sensor nodes of wireless sensor networks have limited battery power, so energy efficiency is mainly considered in the design. A novel mechanism of cluster head operation is designed for reducing the energy consumption for broadcasting message and prolonging the network lifetime. The key of the mechanism is that each cluster head acts continuously as local control center and will not be replaced...
It is very important to maximize the lifetime of wireless sensor networks (WSN) operated on limited power. In order to improve the energy efficiency and prolong the network lifetime, a new clustering algorithm based on the optimum one-hop distance is presented. The relationship among the energy consumption, the device electronic energy and the one-hop transmission distance is analyzed, and then the...
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