Haiwei Cui

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Large propagation delay is considered to be a significant challenge for Underwater Wireless Sensor Networks (UWSN) clock synchronization. In this paper, we propose a novel approach, called “Ma-Sync”, which is a mobile-assisted clock synchronization scheme for mobile underwater acoustic sensor networks. It utilizes a mobile beacon node to get(More)
Following the introduction of characteristic of wastewater and correlated project in the Alpine Region, the problems were pointed out which should be noticed in wastewater treatment process selection in this specific area. Some suggestions about key design parameters were proposed, and the Two-stage Bio-contact Oxidation Technology was been selected and(More)
The contents and characteristics of ten heavy metals in surface sediments from Yangzonghai Lake in Yunnan, China were analyzed. Ecological risk index presented by Håkanson to assess the potential ecological risk of Yangzonghai Lake was utilized. The results showed that the average concentrations of titanium(Ti), manganese(Mn), zinc(Zn), vanadium(V),(More)
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