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Determination of the dissociation constants of polyepoxysuccinic acid

ZHANG Lihua, ZHU Zhiliang, QIU Yanling, ZHANG Ronghua, ZHAO Jianfu

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 4,   Pages 505-508 doi: 10.1007/s11783-008-0077-x

Abstract: The dissociation constants of polyepoxysuccinic acid (PESA) were investigated in this study.Based on the potentiometric titration and the BEST program, the dissociation constants of PESA were determinedto simulate the dissociation process of PESA.By comparison, the dissociation constants of PESA were obtained with model 4.It showed that the HL model with five basic structure units to describe the dissociation of PESA was

Keywords： function     comparison     relevant     corresponding     dissociation    

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Mechanism of dichloromethane disproportionation over mesoporous TiO

Yuzhou Deng, Shengpan Peng, Haidi Liu, Shuangde Li, Yunfa Chen

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 2, doi: 10.1007/s11783-019-1113-8

Abstract:

• Mechanism of DCM disproportionation over mesoporous TiO2 was studied.

• DCM was completely eliminated at 350℃ under 1 vol.% humidity.

• Anatase (001) was the key for disproportionation.

• A competitive oxidation route co-existed with disproportionation.

• Disproportionation was favored at low temperature.

Keywords： Dichloromethane     Disproportionation     Mechanism     Anatase (001)     Water dissociation    

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Peroxyacetyl nitrate measurements by thermal dissociation–chemical ionization mass spectrometry in an

Xinfeng Wang, Tao Wang, Likun Xue, Wei Nie, Zheng Xu, Steven C. N. Poon, Wenxing Wang

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 4, doi: 10.1007/s11783-017-0925-7

Abstract: A rapid and highly selective technique of thermal dissociation–chemical ionization mass spectrometry

Keywords： TD-CIMS     Peroxyacetyl nitrate     Interference     Photochemical pollution     Formation efficiency    

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A mini review on chemical fixation of CO 2 : Absorption and catalytic conversion into cyclic carbonates

Weili DAI, Chaktong AU, Shenglian LUO, Shuangfeng YIN,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 2,   Pages 163-171 doi: 10.1007/s11705-009-0235-0

Abstract: The hypervalent bismuth compounds show good ability for association and dissociation with CO.It is found that the presence of a trace amount of water can improve the catalytic activity of the immobilized

Keywords： SBA-15     CO cycloaddition     Al-SBA-15 immobilized     CO     dissociation    

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Latest progress in numerical simulations on multiphase flow and thermodynamics in production of natural gas from gas hydrate reservoir

Lin ZUO, Lixia SUN, Changfu YOU

Frontiers in Energy 2009, Volume 3, Issue 2,   Pages 152-159 doi: 10.1007/s11708-009-0017-x

Abstract: and thermodynamics have been conducted to investigate the feasibility of gas production from hydrate dissociationThe methods for natural gas production are analyzed and several models describing the dissociation processthermodynamics of gas production from various hydrate-bearing reservoirs is required to better understand the dissociation

Keywords： numerical simulation     natural gas hydrate     dissociation     thermodynamics     multiphase flow    

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A density functional theory study of methane activation on MgO supported NiM cluster: role of M on C–H activation

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 10,   Pages 1485-1492 doi: 10.1007/s11705-022-2169-8

Abstract: To illustrate the adsorptive dissociation behaviors of CH4 at different Ni–M clusters, the

Keywords： CH4 dissociation     Ni–M     C–H bond activation     charge transfer    

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Simultaneous removal of trihalomethanes by bimetallic Ag/Zn: kinetics study

Ahmed H A DABWAN, Satoshi KANECO, Hideyuki KATSUMATA, Kiyoyuki EGUSA, Tohru SUZUKI, Kiyohisa OHTA,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 3,   Pages 322-327 doi: 10.1007/s11705-009-0261-y

Abstract: The bond dissociation energy and hydrophilic/hydrophobic characteristics of the THM compounds may become

Keywords： reaction     first-order     dissociation     degradation reaction     aqueous    

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Water,Water resources and Saving water in Agriculture

Liu Gengling

Strategic Study of CAE 2000, Volume 2, Issue 7,   Pages 39-42

Abstract:

The Characteristics of water and the issue of water resources in China are mainly discussed in theThe viewpoint that the situation of water resources in China cann´t be judged simplily by the amountof average yearly precipitation, and the exploitation and utilization of water resources depend on theIn general the water resources in China is enough for using, its unbalnced distribution in space-timeLots of experiences about bringing water under control and using water were accumulated by the Chinese

Keywords： water     water resources     saving water in agriculture     decentralized storage of water    

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Managing water for life

Daniel P. LOUCKS, Haifeng JIA

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 2,   Pages 255-264 doi: 10.1007/s11783-011-0359-6

Abstract: Water is essential for life.of the entire engineering infrastructure devoted to the treatment, regulation and beneficial uses of water, occasionally sufficient quantities and qualities of water become scarce.When this happens, just how do we decide how much less water to allocate to all of us and the activitiesThis question of deciding just how much water to allocate to each water user and for the maintenance

Keywords： water stress     aquatic ecosystems     sustainable water resource allocations     ecosystem water requirements    

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The effect of different agricultural management practices on irrigation efficiency, water use efficiencyand green and blue water footprint

La ZHUO, Arjen Y. HOEKSTRA

Frontiers of Agricultural Science and Engineering 2017, Volume 4, Issue 2,   Pages 185-194 doi: 10.15302/J-FASE-2017149

Abstract: This paper explores the effect of varying agricultural management practices on different water efficiencyindicators: irrigation efficiency (IE), crop water use efficiency (WUE), and green and blue water footprintResults show that deficit irrigation most effectively improved blue water use, by increasing IE (by 5%Improvements in one water efficiency indicator may cause a decline in another.

Keywords： field management     irrigation efficiency     water footprint     water productivity     water use efficiency    

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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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Molecular analysis of bacterial community in the tap water with different water ages of a drinking water

Feng Wang, Weiying Li, Yue Li, Junpeng Zhang, Jiping Chen, Wei Zhang, Xuan Wu

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 3, doi: 10.1007/s11783-018-1020-4

Abstract: Bacterial community in the drinking water distribution system (DWDS) was regulated by multiple environmentalfactors, many of which varied as a function of water age.In this study, four water samples with different water ages, including finished water (FW, 0 d) and tapwater (TW) [TW1 (1 d), TW2(2 d) and TW3(3 d)], were collected along with the mains of a practical DWDSResults indicated that the residual chlorine declined with the increase of water age, accompanied by

Keywords： Bacterial community     Water age     High-throughput sequencing technique     Drinking water distribution system    

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Comparative genotoxicity of water processed by three drinking water treatment plants with different water

Ting Zhang, Heze Liu, Yiyuan Zhang, Wenjun Sun, Xiuwei Ao

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 3, doi: 10.1007/s11783-020-1214-4

Abstract: Genotoxicity of substances is unknown in the water after treatment processes.Advanced water treatment is commonly used to remove micropollutants such as pesticides, endocrine disruptingchemicals, and disinfection byproducts in modern drinking water treatment plants.following the different water treatment processes.In this study, samples were collected from three drinking water treatment plants with different treatment

Keywords： Drinking water     Treatment process     Genotoxicity     Umu test     Ecological Structure-Activity Relationship    

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Title Author Date Type Operation

Determination of the dissociation constants of polyepoxysuccinic acid

ZHANG Lihua, ZHU Zhiliang, QIU Yanling, ZHANG Ronghua, ZHAO Jianfu

Journal Article

Mechanism of dichloromethane disproportionation over mesoporous TiO

Yuzhou Deng, Shengpan Peng, Haidi Liu, Shuangde Li, Yunfa Chen

Journal Article

Peroxyacetyl nitrate measurements by thermal dissociation–chemical ionization mass spectrometry in an

Xinfeng Wang, Tao Wang, Likun Xue, Wei Nie, Zheng Xu, Steven C. N. Poon, Wenxing Wang

Journal Article

A mini review on chemical fixation of CO 2 : Absorption and catalytic conversion into cyclic carbonates

Weili DAI, Chaktong AU, Shenglian LUO, Shuangfeng YIN,

Journal Article

Latest progress in numerical simulations on multiphase flow and thermodynamics in production of natural gas from gas hydrate reservoir

Lin ZUO, Lixia SUN, Changfu YOU

Journal Article

A density functional theory study of methane activation on MgO supported NiM cluster: role of M on C–H activation

Journal Article

Simultaneous removal of trihalomethanes by bimetallic Ag/Zn: kinetics study

Ahmed H A DABWAN, Satoshi KANECO, Hideyuki KATSUMATA, Kiyoyuki EGUSA, Tohru SUZUKI, Kiyohisa OHTA,

Journal Article

Ju Xiaojie: New Functional Materials for Water Treatment and Water Detection (2022-4-16)

9 Jun 2022

Conference Videos

Water,Water resources and Saving water in Agriculture

Liu Gengling

Journal Article

Wang Guangqian: Global Water Cycle and Water Resource Utilization (2019-10-17)

王光谦(院士)

20 Jan 2021

Conference Videos

Managing water for life

Daniel P. LOUCKS, Haifeng JIA

Journal Article

The effect of different agricultural management practices on irrigation efficiency, water use efficiencyand green and blue water footprint

La ZHUO, Arjen Y. HOEKSTRA

Journal Article

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

Xiaojian ZHANG , Chao CHEN ,

Journal Article

Molecular analysis of bacterial community in the tap water with different water ages of a drinking water

Feng Wang, Weiying Li, Yue Li, Junpeng Zhang, Jiping Chen, Wei Zhang, Xuan Wu

Journal Article

Comparative genotoxicity of water processed by three drinking water treatment plants with different water

Ting Zhang, Heze Liu, Yiyuan Zhang, Wenjun Sun, Xiuwei Ao

Journal Article