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With the rapid development of Internet, the fields related with distributed virtual reality are greatly enlarged. As one of the excellent virtual reality software development tools, Virtools is remarkable for its strong capability of interaction. Through an in-depth study on Virtools, the authors have developed a distributed driving simulator system based(More)
The ability of a new SBR (sequencing batch reactor) based on simulating photovoltaic aeration for maintaining nitrification activity under a 25-day starvation period was studied. The activity and abundance of ammonia-oxidizing bacteria (AOB) and nitrite-oxidizing bacteria (NOB) and the diversity of AOB were investigated. The measured biomass decay rates(More)
Persistent organic pollutants (POPs) are the urgent risk for landfill, and should be considered before the landfill reclamation and resource. In this work, the distribution pattern of selected POPs in landfill and their ecological risks were investigated and assessed. The Σ20OCPs, Σ16PAHs and Σ19PCBs were around 157.4-329.2, 4103-19,190, and(More)
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