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removal from groundwater by GE-HL nanofiltration membrane: effects of arsenic concentration, pH, and co-existing

Xiaowei WANG, Wenjun LIU, Weifang MA, Desheng LI,

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 4,   Pages 428-433 doi: 10.1007/s11783-009-0146-9

Abstract: Effects of As (V) concentration (0–200μg·L), pH, and co-ions and counter-ionsMoreover, a negative relationship was observed between the co-existing ions of Cl, Na, SO, and Ca and

Keywords： nanofiltration (NF)     rejection rate     co-existing ion     co-ion     counter-ion    

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Self-catalytic pyrolysis thermodynamics of waste printed circuit boards with co-existing metals

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 11, doi: 10.1007/s11783-022-1581-0

Abstract:

● The co-existing metals in WPCBs has positive catalytic influence

Keywords： Waste printed circuit board     Catalyst     Pyrolysis     Kinetics    

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Effect of co-existing organic compounds on adsorption of perfluorinated compounds onto carbon nanotubes

Shubo DENG,Yue BEI,Xinyu LU,Ziwen DU,Bin WANG,Yujue WANG,Jun HUANG,Gang YU

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 5,   Pages 784-792 doi: 10.1007/s11783-015-0790-1

Abstract: Co-existing organic compounds may affect the adsorption of perfluorinated compounds (PFCs) and carbonThe effect of co-existing organic compounds on PFOS adsorption followed the decreasing order of humicAdsorbed amounts of PFOS decreased significantly in the presence of co-existing or preloaded humic acidThe increase of both initial concentrations and the number of aromatic rings of co-existing organic compounds

Keywords： perfluorinated compounds     carbon nanotubes     competitive adsorption     humic acid     perfluorooctane sulfonate (PFOS)    

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Ammonia removal from low-strength municipal wastewater by powdered resin combined with simultaneous recovery as struvite

Kuo Fang, Fei Peng, Hui Gong, Huanzhen Zhang, Kaijun Wang

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 1, doi: 10.1007/s11783-020-1300-7

Abstract: . • Co-existing cations indicated competitive adsorption of ammonia. • Ammonia was recoveredby two-stagecrystallization coupled with ion exchange.In this paper, powdered ion exchange resin was employed for ammonia removal and recovery from imitatedFurther, the effects of co-existing cations (Ca2+, Mg2+, K+) were studied.successfully achieved by a proposed two-stage crystallization process coupled with a powdered resin ion

Keywords： Ammonia removal and recovery     Powdered resin     Crystallization process     Struvite     Co-existing cations    

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Nickel(II) ion-intercalated MXene membranes for enhanced H2/CO2 separation

Yiyi Fan, Jinyong Li, Saidi Wang, Xiuxia Meng, Yun Jin, Naitao Yang, Bo Meng, Jiaquan Li, Shaomin Liu

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 4,   Pages 882-891 doi: 10.1007/s11705-020-1990-1

Abstract: The prepared membranes showed excellent H /CO mixture separation performance at room temperature.

Keywords： MXene     H2/CO2 separation     nickel ions     hollow fiber    

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A Comprehensive Evaluation of Policy Effectiveness for Energy Efficiency in Existing Buildings

Xing Wei,Han-ding Guo

Frontiers of Engineering Management 2014, Volume 1, Issue 4,   Pages 341-347 doi: 10.15302/J-FEM-2014060

Abstract: The healthy and stable development of energy efficiencies in existing buildings cannot be separated fromsystem and a grey comprehensive evaluation model for policy effectiveness for energy efficiency in existing

Keywords： grey comprehensive evaluation     existing buildings     energy efficiency     policies effectiveness    

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EFFICIENT CONTAMINANT REMOVAL FROM LIQUID DIGESTATE OF PIG MANURE BY CHEMICAL PRECIPITATION AND CO MINERALIZATION

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 3,   Pages 479-491 doi: 10.15302/J-FASE-2023480

Abstract:

● LFD was treated by fly ash-based chemical precipitation and CO

Keywords： anaerobic digestion     chemical oxygen demand     fly ash     ion removal     total phosphate    

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Discontinuous mechanical behaviors of existing shield tunnel with stiffness reduction at longitudinal

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 1,   Pages 37-52 doi: 10.1007/s11709-022-0920-3

Abstract: An analytical model is proposed to estimate the discontinuous mechanical behavior of an existing shieldThe existing shield tunnel is regarded as a Timoshenko beam with longitudinal joints.indicate that our proposed method is suitable for simulating the discontinuous mechanical behaviors of existingand their abrupt changes at vulnerable sections must be monitored to ensure the structural safety of existing

Keywords： tunnel–soil interaction     discontinuous analysis     longitudinal joints     existing shield tunnel     Timoshenko    

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Seismic retrofit of existing SRC frames using rocking walls and steel dampers

Akira WADA, Zhe QU, Shojiro MOTOYUI, Hiroyasu SAKATA

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 3,   Pages 259-266 doi: 10.1007/s11709-011-0114-x

Abstract: A retrofit of an existing 11-story steel reinforced concrete frame that features the innovative use ofThe retrofitting system is expected to effectively control the deformation pattern of the existing structureand significantly reduce damage to the existing structure during major earthquakes.

Keywords： building structure     seismic retrofit     rocking wall     steel damper    

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Advancing ion-exchange membranes to ion-selective membranes: principles, status, and opportunities

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 2, doi: 10.1007/s11783-023-1625-0

Abstract:

● IEM ion/ion selectivities of charge, valence, & specific ion are

Keywords： Ion-exchange membranes     Selectivity     Separations    

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Improving existing “reaching law” for better discrete control of seismically-excited building structures

Zhijun LI, Zichen DENG

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 2,   Pages 111-116 doi: 10.1007/s11709-009-0022-5

Abstract: In this paper, a novel “composite reaching law” was explained in details: 1) the equation of discrete motion for a control system; 2) the design of discrete-time variable structure control. In addition, the model of a three-storey shear-type building structure was used to verify the effectiveness of the discrete variable structure control method. The results of numerical example analysis of the model show that the control law can effectively reduce the peak value of seismic response of the building structure and the chattering effect of the control system.

Keywords： discrete-time variable structure control     composite reaching law     chattering effect     saturated control law    

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Study on Externality and Its Calculation Method of Existing Commercial Residential Buildings Energy Saving

Zhao Yan,Liu Xiaojun

Strategic Study of CAE 2014, Volume 16, Issue 10,   Pages 100-105

Abstract:

Externality exists in the field of existing commercial residential buildings

Keywords： existing commercial residential buildings     energy saving retrofit     externality     calculation    

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Surgical robotics: A look-back of latest advancement and bio-inspired ways to tackle existing challenges

Yang LIU, Jing LIU

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 4,   Pages 376-384 doi: 10.1007/s11465-012-0352-1

Abstract:

This article is dedicated to present a review on existing challenges and latest developments in surgicalWhile endeavors to deal with existing strategies still need to be made, attentions should be paid to

Keywords： minimally invasive surgery     surgical robotics     haptic feedback     miniaturization     bio-inspiration     bionics    

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Alumina modified sodium vanadate cathode for aqueous zinc-ion batteries

Frontiers in Energy   Pages 775-781 doi: 10.1007/s11708-023-0902-8

Abstract: Aqueous zinc-ion batteries (ZIBs) have great prospects for widespread application in massive scale energyperformance is mainly attributed to the Al2O3 coating layer, which can increase zinc-ion

Keywords： cathodes     aqueous zinc-ion batteries     sodium vanadate     alumina     coating    

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Comparative analysis of energy use in China building sector: current status, existing problems and solutions

Shengyuan ZHANG, Xiu YANG, Yi JIANG, Qingpeng WEI,

Frontiers in Energy 2010, Volume 4, Issue 1,   Pages 2-21 doi: 10.1007/s11708-010-0023-z

Abstract: Existing problems of energy use and solutions for energy reduction in each sub-sector are also discussed

Keywords： building energy use     lifestyle and technology     residential building     commercial building     rural building    

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Title Author Date Type Operation

removal from groundwater by GE-HL nanofiltration membrane: effects of arsenic concentration, pH, and co-existing

Xiaowei WANG, Wenjun LIU, Weifang MA, Desheng LI,

Journal Article

Self-catalytic pyrolysis thermodynamics of waste printed circuit boards with co-existing metals

Journal Article

Effect of co-existing organic compounds on adsorption of perfluorinated compounds onto carbon nanotubes

Shubo DENG,Yue BEI,Xinyu LU,Ziwen DU,Bin WANG,Yujue WANG,Jun HUANG,Gang YU

Journal Article

Ammonia removal from low-strength municipal wastewater by powdered resin combined with simultaneous recovery as struvite

Kuo Fang, Fei Peng, Hui Gong, Huanzhen Zhang, Kaijun Wang

Journal Article

Nickel(II) ion-intercalated MXene membranes for enhanced H2/CO2 separation

Yiyi Fan, Jinyong Li, Saidi Wang, Xiuxia Meng, Yun Jin, Naitao Yang, Bo Meng, Jiaquan Li, Shaomin Liu

Journal Article

A Comprehensive Evaluation of Policy Effectiveness for Energy Efficiency in Existing Buildings

Xing Wei,Han-ding Guo

Journal Article

EFFICIENT CONTAMINANT REMOVAL FROM LIQUID DIGESTATE OF PIG MANURE BY CHEMICAL PRECIPITATION AND CO MINERALIZATION

Journal Article

Discontinuous mechanical behaviors of existing shield tunnel with stiffness reduction at longitudinal

Journal Article

Seismic retrofit of existing SRC frames using rocking walls and steel dampers

Akira WADA, Zhe QU, Shojiro MOTOYUI, Hiroyasu SAKATA

Journal Article

Advancing ion-exchange membranes to ion-selective membranes: principles, status, and opportunities

Journal Article

Improving existing “reaching law” for better discrete control of seismically-excited building structures

Zhijun LI, Zichen DENG

Journal Article

Study on Externality and Its Calculation Method of Existing Commercial Residential Buildings Energy Saving

Zhao Yan,Liu Xiaojun

Journal Article

Surgical robotics: A look-back of latest advancement and bio-inspired ways to tackle existing challenges

Yang LIU, Jing LIU

Journal Article

Alumina modified sodium vanadate cathode for aqueous zinc-ion batteries

Journal Article

Comparative analysis of energy use in China building sector: current status, existing problems and solutions

Shengyuan ZHANG, Xiu YANG, Yi JIANG, Qingpeng WEI,

Journal Article