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Potential shift of bacterial community structure and corrosion-related bacteria in drinking water distributionpipeline driven by water source switching

Yue Hu, Ding Dong, Kun Wan, Chao Chen, Xin Yu, Huirong Lin

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 2, doi: 10.1007/s11783-020-1320-3

Abstract: source switching, especially that of corrosion-related bacteria.Three types of finished water were used for simulation, the polluted source water from the Qiantang andsource switching.source.Our study shows that after transition to a high quality water source, the total culturable bacteria released

Keywords： Drinking water biosafety     Water source switching     Drinking water distribution system     Transition effects    

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Identification and ranking of the risky organic contaminants in the source water of the Danjiangkou reservoir

Qingwei BU, Donghong WANG, Zijian WANG, Junnong GU

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 1,   Pages 42-53 doi: 10.1007/s11783-013-0499-y

Abstract: The Danjiangkou reservoir was selected to provide the source water for the middle routes of the SouthTo date, investigations of water contamination of the source water of the Danjiangkou reservoir withcalculated using the adapted CHEMS-1 approach according to their hazardous properties and occurrence in sourcewater.assessment of the top-ranked PAHs was conducted and revealed that cancer risks of PAHs detected in the source

Keywords： identification and ranking     source water     deconvolution     risk assessment     Danjiangkou     South to North Water    

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Emergency drinking water treatment in source water pollution incident-technology and practice in China

Xiaojian ZHANG , Chao CHEN ,

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 3,   Pages 364-368 doi: 10.1007/s11783-009-0027-2

Abstract: An investigation into emergency potable water treatment technologies was conducted to investigate China’s water pollution situation.This paper presents the three largest and most significant water pollution incidents in China to dateRiver in November 2005, the cadmium pollution incident in the Beijiang River in December 2005, and the watercrisis with odorous tap water in Wuxi City in May 2007.

Keywords： emergency drinking water treatment     water pollution     adsorption     oxidation     precipitation    

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Performance analysis of an air-source heat pump using an immersed water condenser

Jie JI, Huide FU, Hanfeng HE, Gang PEI,

Frontiers in Energy 2010, Volume 4, Issue 2,   Pages 234-245 doi: 10.1007/s11708-009-0056-3

Abstract: A distributed model of an air-source heat pump (ASHP) system and its experimental setup using an immersedwater condenser were presented.theoretical and experimental background for ASHP system optimization and a valuable reference for a solar air-sourceheat pump water heater when the solar irradiation energy is insufficient on cloudy or rainy days.

Keywords： air-source     heat pump     distributed model     immersed water condenser    

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Quantitative standard of eco-compensation for the water source area in the middle route of the South-to-NorthWater Transfer Project in China

Zhanfeng DONG, Jinnan WANG

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 3,   Pages 459-473 doi: 10.1007/s11783-010-0288-9

Abstract: a very large financial expenditure to ensure the water supply and the associated water quality to northernAn eco-compensation mechanism between the water service source areas and its beneficiaries is essentialsource area, including both the calculation of eco-compensation based on opportunity cost method (OCM) and calculation of the burden sharing of eco-compensation between the water source area and the externalsource area in Shiyan, Hubei Province should be 1.63×10 CNY, about four times of planned eco-construction

Keywords： the South-to-North Water Transfer Scheme     eco-compensation standard     opportunity costs     deviation square    

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Nitrogen pollution and source identification of urban ecosystem surface water in Beijing

Yufen REN, Zhiwei XU, Xinyu ZHANG, Xiaoke WANG, Xiaomin SUN, D. J. BALLANTINE, Shengzhong WANG

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 1,   Pages 106-116 doi: 10.1007/s11783-012-0474-z

Abstract: Nitrogen contamination of surface water is a worldwide environmental problem with intensive agricultureseasonal variation in concentrations of total nitrogen and different nitrogen species present in surface-waternitrogen concentrations, combined with the ratio distribution, showed that domestic sewage was the major sourceMethods to control and reduce sewage pollution are urgently needed to help manage surface water quality

Keywords： nitrogen concentration     spatial and seasonal variation     stable nitrogen isotope     urban ecosystem     source    

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Acute toxicity assessment of drinking water source with luminescent bacteria: Impact of environmental

Xuewen Yi, Zhanqi Gao, Lanhua Liu, Qian Zhu, Guanjiu Hu, Xiaohong Zhou

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 6, doi: 10.1007/s11783-020-1288-z

Abstract: reducing their contamination is an effective approach to ensure the sustainability of the drinking waterinhibition assay using the marine bacterium Vibrio fischeri as the test organism and Luoma Lake drinking watersource in East China as the research target.environmental factors, including pH value, organic matter, turbidity, hardness, and dissolved oxygen of waterThe physicochemical characteristics of water samples at the selected 43 sites of Luoma Lake watershed

Keywords： Bioluminescent bacteria     Acute toxicity     Pearson correlation analysis     Drinking water source     Vibrio fischeri    

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Water pumping analysis and experimental validation of beach well infiltration intake system in a seawatersource heat pump system

Huan ZHANG,Shu LIU,Xuejing ZHENG,Gaofeng CHEN

Frontiers in Energy 2015, Volume 9, Issue 3,   Pages 335-342 doi: 10.1007/s11708-015-0365-7

Abstract: equation and Darcy’s law, a model of beach well infiltration intake system applied in a seawater sourceIn addition, the influencing factors of pumping water of beach well were also analyzed.The pumping water was found to increase when the distance between the beach well and the impervious boundarybecomes longer, when the distance between the beach well and the supplying water source shortens, when

Keywords： water pumping analysis     experimental validation     infiltration intake system     seawater source heat pump    

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A red water occurrence in drinking water distribution systems caused by changes in water source in Beijing

ZHANG Xiaojian,MI Zilong,WANG Yang,LIU Shuming,NIU Zhangbin,LU Pinpin,WANG Jun,GU Junnong,CHEN Chao

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 3,   Pages 417-426 doi: 10.1007/s11783-013-0558-4

Abstract: A red water phenomenon occurred in several communities few days after the change of water source in Beijingsource was the cause of the red water phenomenon.The mechanism of iron release was found that the high-concentration sulphate in the new water sourceExperiments showed that the iron release rate in the new source water within pipe section was over 11-fold higher than that occurring within the local source water.

Keywords： iron release     drinking water distribution system     sulphate     phosphate     red water control     water quality stability    

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HOTSPOTS OF NUTRIENT LOSSES TO AIR AND WATER: AN INTEGRATED MODELING APPROACH FOR EUROPEAN RIVER BASINS

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 4,   Pages 579-592 doi: 10.15302/J-FASE-2023526

Abstract:

Nutrient pollution of air and water is a persistent problem in Europe.This study aimed to quantify the contribution of agriculture to air, river and coastal water pollutionThese results could support environmental policies to reduce both air and water pollution simultaneously

Keywords： agriculture     air-water modeling     European rivers     nutrient pollution     sewage systems     source attribution    

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Stress induced polarization switching and coupled hysteretic dynamics in ferroelectric materials

Linxiang WANG, Roderick MELNIK, Fuzai LV

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 3,   Pages 287-291 doi: 10.1007/s11465-011-0230-2

Abstract: differential model is constructed for the coupled hysteretic dynamics via modeling the orientation switchingHysteresis loops associated with stress induced polarization switching and butterfly-shaped behaviorThe effects of mechanical loadings on the electrically induced switching are numerically investigated, as well as the mechanically-induced switching with various bias electric fields.

Keywords： differential model     state space     electromechanical switching     butterfly effects     hysteresis    

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Experimental investigation of a novel micro gas turbine with flexible switching function for distributed

Xiaojing LV, Weilun ZENG, Xiaoyi DING, Yiwu WENG, Shilie WENG

Frontiers in Energy 2020, Volume 14, Issue 4,   Pages 790-800 doi: 10.1007/s11708-020-0691-2

Abstract: Additionally, the flexible switching between the power generated by the MGT and the power grid is alsoThis system also can realize flexibly switching from the start motor mode to the generator mode, andfrom grid-connected mode to off-grid mode, because the innovative multi-state switching control system

Keywords： gas turbine     flexible switching system     control system     distributed power system     emission test    

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An improved delta-star switching scheme for reactive power saving in three-phase induction motors

P. RAJA,N. KUMARESAN,M. SUBBIAH

Frontiers in Energy 2014, Volume 8, Issue 3,   Pages 364-370 doi: 10.1007/s11708-014-0324-8

Abstract: permanently across each phase winding of a three-phase induction motor along with the conventional delta-star switchingcapacitor and the criteria to be adopted for calculating the power output at which the star to delta switchingCompared to using only a single delta connected stator winding or a delta-star switching, the advantages

Keywords： delta-star switching     induction motor     power factor     steady-state analysis    

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Generalized method of urban air pollutant source tracking and integration approach of nudging source

Xu Xiangde,Ding Guoan

Strategic Study of CAE 2012, Volume 14, Issue 10,   Pages 10-22

Abstract:

An ensemble platform on generalized source tracking of urban air pollutantsand an emission source assimilation with application of satellite remote sensing has been proposed.The ensemble platform of generalized urban air pollutant source tracking is built on principal factorThe comprehensive analysis of land water air cycles is attempted as an exploratory study on water pollutantsource tracking.

Keywords： generalized method     nudging source     pollutant source tracking     satellite remote sensing surface     landwater air    

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A modeling system for drinking water sources and its application to Jiangdong Reservoir in Xiamen city

Pengfei DU, Zhiyi LI, Jinliang HUANG

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 5,   Pages 735-745 doi: 10.1007/s11783-013-0560-x

Abstract: Drinking water sources are highly valued by authorities for safeguarding the life of a city.However, it is difficult to apply models in water source management because water managers are oftenThis paper introduces a drinking water source simulation and prediction system that consists of a watershedmodel, a hydrological model and a water quality model.and emergency water event response.

Keywords： water source     integrated modeling system     prediction     Jiulong River    

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Title Author Date Type Operation

Potential shift of bacterial community structure and corrosion-related bacteria in drinking water distributionpipeline driven by water source switching

Yue Hu, Ding Dong, Kun Wan, Chao Chen, Xin Yu, Huirong Lin

Journal Article

Identification and ranking of the risky organic contaminants in the source water of the Danjiangkou reservoir

Qingwei BU, Donghong WANG, Zijian WANG, Junnong GU

Journal Article

Emergency drinking water treatment in source water pollution incident-technology and practice in China

Xiaojian ZHANG , Chao CHEN ,

Journal Article

Performance analysis of an air-source heat pump using an immersed water condenser

Jie JI, Huide FU, Hanfeng HE, Gang PEI,

Journal Article

Quantitative standard of eco-compensation for the water source area in the middle route of the South-to-NorthWater Transfer Project in China

Zhanfeng DONG, Jinnan WANG

Journal Article

Nitrogen pollution and source identification of urban ecosystem surface water in Beijing

Yufen REN, Zhiwei XU, Xinyu ZHANG, Xiaoke WANG, Xiaomin SUN, D. J. BALLANTINE, Shengzhong WANG

Journal Article

Acute toxicity assessment of drinking water source with luminescent bacteria: Impact of environmental

Xuewen Yi, Zhanqi Gao, Lanhua Liu, Qian Zhu, Guanjiu Hu, Xiaohong Zhou

Journal Article

Water pumping analysis and experimental validation of beach well infiltration intake system in a seawatersource heat pump system

Huan ZHANG,Shu LIU,Xuejing ZHENG,Gaofeng CHEN

Journal Article

A red water occurrence in drinking water distribution systems caused by changes in water source in Beijing

ZHANG Xiaojian,MI Zilong,WANG Yang,LIU Shuming,NIU Zhangbin,LU Pinpin,WANG Jun,GU Junnong,CHEN Chao

Journal Article

HOTSPOTS OF NUTRIENT LOSSES TO AIR AND WATER: AN INTEGRATED MODELING APPROACH FOR EUROPEAN RIVER BASINS

Journal Article

Stress induced polarization switching and coupled hysteretic dynamics in ferroelectric materials

Linxiang WANG, Roderick MELNIK, Fuzai LV

Journal Article

Experimental investigation of a novel micro gas turbine with flexible switching function for distributed

Xiaojing LV, Weilun ZENG, Xiaoyi DING, Yiwu WENG, Shilie WENG

Journal Article

An improved delta-star switching scheme for reactive power saving in three-phase induction motors

P. RAJA,N. KUMARESAN,M. SUBBIAH

Journal Article

Generalized method of urban air pollutant source tracking and integration approach of nudging source

Xu Xiangde,Ding Guoan

Journal Article

A modeling system for drinking water sources and its application to Jiangdong Reservoir in Xiamen city

Pengfei DU, Zhiyi LI, Jinliang HUANG

Journal Article