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软切换比例与CE配置关系
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作者 马丹 《移动通信》 2004年第1期100-101,共2页
本文探讨了软切换比例与CE配置的关系。对设计软切换比例和现网软切换比例进行了研究,最后给出了关于软切换方面的优化方法。
关键词 软切换比例 ce配置 CDMA 网络优化
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中兴设备EV-DO无线连接成功率低的原因及处理方法
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作者 罗勇成 《移动通信》 2012年第17期63-68,共6页
文章在介绍了EV-DO无线连接成功率基本知识的基础上,从实际案例出发,根据DO网络优化调整工作,分析了EV-DO无线连接成功率指标低的原因,并就解决方案进行了探讨。
关键词 EV-DO无线连接成功率 ce配置 DRC前向速率
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Biodegradation of Microcystin-RR by a New Isolated Sphingopyxis sp. USTB-05 被引量:17
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作者 王俊峰 吴鹏飞 +1 位作者 陈建 闫海 《Chinese Journal of Chemical Engineering》 SCIE EI CAS CSCD 2010年第1期108-112,共5页
A promising bacterial strain for the biodegradation of Microcystins(MCs)was isolated from Dianchi lake in China and identified as Sphingopyxis sp.USTB-05 by the analysis of 16s rDNA.Initial MC-RR of 42.3 mg·L -1 ... A promising bacterial strain for the biodegradation of Microcystins(MCs)was isolated from Dianchi lake in China and identified as Sphingopyxis sp.USTB-05 by the analysis of 16s rDNA.Initial MC-RR of 42.3 mg·L -1 was completely degraded by USTB-05 within 36 h,which was a relatively high biodegradation rate of MC-RR.With the cell-free extract(CE)of Sphingopyxis sp.USTB-05,MC-RR was biodegraded at a more rapid biodegradation rate compared with its strain,so that initial MC-RR of 42.3 mg·L -1 was completely biodegraded within 10 h.During the bio-reaction of MC-RR catalyzed by CE,two intermediate metabolites and a dead-end product of MC-RR were observed on HPLC profiles and all of them had similar scanning profiles in the wavelength from 200 to 300 nm,indicating that the group of Adda in all products of MC-RR remained intact. 展开更多
关键词 MICROCYSTIN-RR Sphingopyxis sp.USTB-05 cell-free extract BIODEGRADATION
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