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7篇 您的检索式:作者名="Junnong GU"
    题名 作者 年代 出处 被引量
1Biodegradation of geosmin in drinking water by novel bacteria isolated from biologically active carbon显示文摘Three strains of Gram-negative bacteria capable of removing geosmin from drinking water were isolated from biologically active carbon and identified to be Chryseobacterium sp., Sinorhizobium sp. and Stenotrophomonas sp. based on physio-biochemistry analysis and 16S rRNA gene sequence analysis. Removal efficiencies of 2 mg/L geosmin in mineral salts medium were 84.0%, 80.2% and 74.4% for Chryseobacterium sp., Sinorhizobium sp. and Stenotrophomonas sp., respectively, while removal efficiencies of 560 ng/L geosmin in filter influent were 84.8%, 82.3% and 82.5%, respectively. The biodegradation of geosmin was determined to be a pseudo first-order reaction, with rate constants at 2 mg/L and 560 ng/L being 0.097 and 0.086 day 1 , 0.089 and 0.084 day 1 , 0.074 and 0.098 day 1 for the above mentioned degraders, respectively. The biomass of culture in the presence of geosmin was much higher than that in the absence of geosmin.Beihai Zhou Rongfang Yuan Chunhong Shi Liying Yu Junnong Gu Chunlei Zhang 2011Journal of Environmental Sciences2011,23,5:9
2A red water occurrence in drinking water distribution systems caused by changes in water source in Beijing, China: mechanism analysis and control measures显示文摘Xiaojian ZHANG Zilong MI Yang WANG Shuming LIU Zhangbin NIU Pinpin LU Jun WANG Junnong GU Chao CHEN 2014Frontiers of Environmental Science & Engineering2014,8,3:7
3Identification and ranking of the risky organic contaminants in the source water of the Danjiangkou reservoir显示文摘Danjiangkou 水库被选择提供来源水让南方的中间的线路向北浇转移工程,它挑起了许多环境担心。迄今为止,来源的水污染的调查 Danjiangkou 水库流水与器官微污染物质被限制了。这研究被进行识别并且评价在 Danjiangkou 水库提出风险的器官的沾染物。到这个目的,化学危险评估和管理策略(CHEMS-1 ) 途径被改编为地点特定的环境矩阵集成质的识别沾染物的 deconvolution 技术。样品用 deconvolution 技术为 1093 沾染物的存在被屏蔽,识别沾染物的危险价值在来源水里根据他们的危险性质和出现用改编 CHEMS-1 途径是计算的。结果证明从 1093 个目标的 46 沾染物在 Danjiangkou 水,其 23 比 50% ,和哪个中的 15 个高出现在频率里是在场的作为优先级被识别。在评价高度的沾染物的一半(53%) 上是多不的芳香的烃(哼) ,与在表上最高评价的 chrysene。对 top-ranked 的健康风险评价哼被进行并且表明那癌症冒险哼在 Danjiangkou 的来源水里检测了到不同人口从 10 < 啜 class= “ a-plus-plus ” > 7 到 10 < 啜 class= “ a-plus-plus ” > 显示低癌症风险到消费者的 6 , 。这研究的结果显示改编 CHEMS-1 途径为识别并且评价潜在的优先级污染物质的器官的沾染物的地点特定的屏蔽是可行的。Qingwei BU Donghong WANG Zijian WANG Junnong GU 2014Frontiers of Environmental Science & Engineering2014,8,1:6
4Biodegradation of 2-methylisoborneol by bacteria enriched from biological activated carbon显示文摘在喝水的最普通的味道和气味混合物(TOC ) 之一是不能被常规水处理乐意地移开的 2-methylisoborneol (2-MIB ) 。为降级的 2-MIB 的四细菌的紧张从一个生物的激活的碳过滤器的表面被孤立,并且作为小球菌 spp 被描绘,黄质菌属 spp, Brevibacterium spp。并且 Pseudomonas spp。基于 16S rRNA 分析。有 515 ng 的起始的集中的 2-MIB 的移动效率 ???  ????????????????????????????????? 漠 ? 桴 ? 瑳敲杮桴 ?Rongfang YUAN Beihai ZHOU Chunhong SHI Liying YU Chunlei ZHANG Junnong GU 2012Frontiers of Environmental Science & Engineering2012,6,5:6
5Effects of surface characteristics of activated carbon on the adsorption of 2-methylisobornel (MIB) and geosmin from natural water 显示文摘Jianwei Yu Min Yang Tsair - Fuh Lin Zhaohai Guo Yu Zhang Junnong Gu Suxia Zhang 2007Separation and Purification Technology2007,56,:1
6Morphological and physicochemical characteristics of iron corrosion scales formed under different water source histories in a drinking water distribution system显示文摘Fan Yang Baoyou Shi Junnong Gu Dongsheng Wang Min Yang 2012Water Research2012,,16:1
7Morphological and physicochemical characteristics of iron corrosion scales formed under different water source histories in a drinking water distribution system显示文摘Fan Yang Baoyou Shi Junnong Gu Dongsheng Wang Min Yang 2012Water Research2012,,16:1
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