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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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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-stageFurther, the effects of co-existing cations (Ca2+, Mg2+, K+) were studied.

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

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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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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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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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Metal salts with highly electronegative cations as efficient catalysts for the liquid-phase nitration

Shenghui Zhou, Kuiyi You, Zhengming Yi, Pingle Liu, Hean Luo

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 2,   Pages 205-210 doi: 10.1007/s11705-017-1625-3

Abstract: Metal salts with highly electronegative cations have been used to effectively catalyze the liquid-phase

Keywords： metal salts     electronegativity     nitrobenzene     NO2     catalytic nitration    

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Visible light responsive photocatalysts developed by substitution with metal cations aiming at artificial

Frontiers in Energy 2021, Volume 15, Issue 3,   Pages 568-576 doi: 10.1007/s11708-021-0774-8

Abstract: introduces the recent work on visible-light-driven photocatalysts developed by substitution with metal cations

Keywords： visible light responsive photocatalyst     water splitting     artificial photosynthesis: metal ion substitution    

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Comparison of the removal of monovalent and divalent cations in the microbial desalination cell

Shanshan CHEN,Haiping LUO,Yanping HOU,Guangli LIU,Renduo ZHANG,Bangyu QIN

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 2,   Pages 317-323 doi: 10.1007/s11783-013-0596-y

Abstract: objectives of this study were to investigate the desalination performance of monovalent and divalent cationsKCl, and CaCl with the same concentration were used in the desalination chamber to study removal of cationsResults showed that in the mixed salt solutions, the electrodialysis desalination rates of cations wereHigher ionic charges and smaller hydrated ionic radii resulted in higher desalination rates of the cations

Keywords： divalent ion     electrodialysis     ion characteristic     microbial desalination cell     monovalent ion    

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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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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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Two-dimensional self-assembly of melem and melemium cations at pH-controlled aqueous solution–Au(111)

Shinobu Uemura,Kenki Sakata,Masashi Aono,Yusuke Nakamura,Masashi Kunitake

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 2,   Pages 294-300 doi: 10.1007/s11705-016-1564-4

Abstract: observed in a relatively wide potential range probably due to the presence of monoprotonated melem cationsclose-packed and fibrillar structures at low pH (

cations

Keywords： self-assembly     scanning tunneling microscopy     electrochemistry     structural phase transition     melem    

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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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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

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

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

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

Xing Wei,Han-ding Guo

Journal Article

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

Journal Article

Metal salts with highly electronegative cations as efficient catalysts for the liquid-phase nitration

Shenghui Zhou, Kuiyi You, Zhengming Yi, Pingle Liu, Hean Luo

Journal Article

Visible light responsive photocatalysts developed by substitution with metal cations aiming at artificial

Journal Article

Comparison of the removal of monovalent and divalent cations in the microbial desalination cell

Shanshan CHEN,Haiping LUO,Yanping HOU,Guangli LIU,Renduo ZHANG,Bangyu QIN

Journal Article

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

Akira WADA, Zhe QU, Shojiro MOTOYUI, Hiroyasu SAKATA

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

Two-dimensional self-assembly of melem and melemium cations at pH-controlled aqueous solution–Au(111)

Shinobu Uemura,Kenki Sakata,Masashi Aono,Yusuke Nakamura,Masashi Kunitake

Journal Article

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

Yang LIU, Jing LIU

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