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Graft copolymerization of -isopropylacrylamide with 3-(methacryloxy)propyl trimethoxysilane on ultrafine silica and its application in chromatography separation

ZHANG Liping, ZHU Yi, NI Caihua

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 3,   Pages 242-247 doi: 10.1007/s11705-008-0043-y

Abstract: The copolymerization was carried out using polyvinyl alcohol as a surfactant, water and cyclohexanolThe effect of surfactant concentration and the composition of the mixed solvent on the graft rate were

Keywords： undergoes     water-methanol     surfactant concentration     copolymerization     chromatography    

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Research progress of micellar-enhanced ultrafiltration for treatment of wastewater containing heavy metal ions

Yao Qingxu,Jia Mingchun,Wang Xiaowei

Strategic Study of CAE 2014, Volume 16, Issue 7,   Pages 95-99

Abstract:

As a novel method of separation,micellar enhanced ultrafiltration is applicable to purifying wastewater,especially in dealing with the effluents containing low levels of metal ions. The main factors of MEUF are introduced in detail by summarizing prior research,and the limitation and the direction of optimizing the process are also discussed. The recent development of MEUF as well as the research on surfactants recovery is also introduced.

Keywords： micellar enhanced ultrafiltration     surfactant     critical micellar concentration    

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The construction of pseudo-Janus silica/surfactant assembly and their application to stabilize Pickering

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 7,   Pages 1101-1113 doi: 10.1007/s11705-021-2095-1

Abstract: findings of this study could help to better understand the construction mechanism of pseudo-Janus silica/surfactant

Keywords： Janus nanoparticles     surfactant     double phase inversion     self-assembly     enhanced oil recovery    

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Progress in use of surfactant in nearly static conditions in natural gas hydrate formation

Zhen PAN, Yi WU, Liyan SHANG, Li ZHOU, Zhien ZHANG

Frontiers in Energy 2020, Volume 14, Issue 3,   Pages 463-481 doi: 10.1007/s11708-020-0675-2

Abstract: Besides, the factors influencing surfactant-promoted hydrate formation, including the type, concentration, and structure of the surfactant, are also described.establishing kinetic and thermodynamic models to simulate the factors affecting the formation of hydrate in surfactant-containing

Keywords： gas hydrate     kinetic hydrate promoter     compounding     model     surfactant     mechanism    

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Localized high-concentration electrolytes for lithium metal batteries: progress and prospect

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1354-1371 doi: 10.1007/s11705-022-2286-4

Abstract: Here, we provide an overview of the recent developments of localized high-concentration electrolytesFirstly, the solvation structures and physicochemical properties of localized high-concentration electrolytesThen, the developments of localized high-concentration electrolytes to suppress the formation of dendriticLastly, the remaining challenges and further possible research directions for localized high-concentration

Keywords： high-concentration electrolyte     localized high-concentration electrolyte     lithium metal battery     solid    

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Stability of three-dimensional printable foam concrete as function of surfactant characteristics

Frontiers of Structural and Civil Engineering   Pages 935-947 doi: 10.1007/s11709-023-0964-z

Abstract: The extrusion process likely affects the foam stability which necessitates the investigation into surfactantTo address this research gap, the effects of surfactant characteristics on the stability, extrudabilityThe results were then correlated with surfactant qualities, such as viscosity and surface tension, toBased on the experimental results, surfactant solu1tion with viscosity exceeding 5 mPa·s and surfaceUnlike traditional foam concrete, the variation in the stabilizer concentration and density of concrete

Keywords： foam concrete     3D printable concrete     stability     rheology     air void microstructure    

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PM concentration declining saves health expenditure in China

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 7, doi: 10.1007/s11783-023-1690-4

Abstract:

● Monthly hospitalization expenses are sensitive to increases in PM2.5 exposure.

Keywords： Air pollution     Health expenditure     PM2.5 concentration     Economic impact     Heterogeneous effect    

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Multiphase surfactant-assisted reaction-separation system in a microchannel reactor

Salah ALJBOUR, Tomohiko TAGAWA, Mohammad MATOUQ, Hiroshi YAMADA

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 1,   Pages 33-38 doi: 10.1007/s11705-009-0108-6

Abstract: The Lewis acid-catalyzed addition of trimethylsilyl cyanide to -chlorobenzaldehyde in a microchannel reactor was investigated. The microchannel was integrated to promote both reaction and separation of the biphase system. FeF and Cu(triflate) were used as water-stable Lewis acid catalysts. Sodium dodecyl sulfate was incorporated in the organic-aqueous system to enhance the reactivity and to manipulate the multiphase flow inside the microchannel. It was found that the dynamics and the kinetics of the multiphase reaction were affected by the new micellar system. Parallel multiphase flow inside the microchannel was obtained, allowing for continuous and acceptable phase separation. Enhanced selectivity was achieved by operating at lower conversion values.

Keywords： Lewis acid catalysis     multiphase reactions     process intensification     microchannel reactor     green engineering    

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Parametric equations for notch stress concentration factors of rib–deck welds under bending loading

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 3,   Pages 595-608 doi: 10.1007/s11709-021-0720-1

Abstract: effective notch stress approach for evaluating the fatigue strength of rib–deck welds requires notch stress concentrationTo improve the efficiency of the approach, the notch stress concentration factors for three typical fatigue-crackingto investigate the effects of multiple geometric parameters of a rib–deck weld on the notch stress concentrationregression analysis was performed to obtain the optimal regression functions for predicting the notch stress concentrationThe notch stress concentration factors estimated from the developed formulas show agree well with the

Keywords： notch stress concentration factor     rib–deck weld     parametric analysis     regression analysis     parametric    

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Effect of electrolyte concentration on the tribological performance of MAO coatings on aluminum alloys

Chao Wang, Jun Chen, Jihua He, Jing Jiang, Qinyong Zhang

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 6,   Pages 1065-1071 doi: 10.1007/s11705-019-1909-x

Abstract: In order to investigate the effect of the electrolyte concentration on the properties of MAO coatings

Keywords： aluminum alloy     micro-arc oxidation     coating     electrolyte concentration     tribological performance    

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study on the control of black smoke pollution from the ceramic kilns based on the mechanism of the surfactant

CUI Xiao, LI Caiting, WANG Fei, LI Shanhong, XIAO Chenchang, PENG Yu, ZHAI Yunbo

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 1,   Pages 109-115 doi: 10.1007/s11783-008-0021-0

Abstract: sedimentation and wettability state of the carbon black, the complex solution of the coagulant and surfactant
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Diagnostic evaluation of plasma aldosterone concentration to plasma renin activity ratio in primary aldosteronism

ZHANG Huilan, WANG Daowen

Frontiers of Medicine 2008, Volume 2, Issue 1,   Pages 11-14 doi: 10.1007/s11684-008-0003-4

Abstract: Using the plasma aldosterone concentration to plasma renin activity ratio (PAC/PRA ratio) as the screeningThe plasma aldosterone concentration (PAC) and plasma renin activity (PRA) levels were measured by radioimmunoassay
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Organosilane surfactant-assisted synthesis of mesoporous SSZ-39 zeolite with enhanced catalytic performance

Hao Xu, Chi Lei, Qinming Wu, Qiuyan Zhu, Xiangju Meng, Daniel Dai, Stefan Maurer, Andrei-Nicolae Parvulescu, Ulrich Müller, Fengshou Xiao

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 2,   Pages 267-274 doi: 10.1007/s11705-019-1845-9

Abstract: Herein, we report the synthesis of mesoporous SSZ-39 zeolite using an organosilane surfactant, , -dimethyl

Keywords： SSZ-39 zeolite     mesopores     organosilane surfactant     MTO reaction     soft template     mass transfer    

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Effects of gradient concentration on the microstructure and electrochemical performance of LiNi

Wenming Li, Weijian Tang, Maoqin Qiu, Qiuge Zhang, Muhammad Irfan, Zeheng Yang, Weixin Zhang

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 6,   Pages 988-996 doi: 10.1007/s11705-020-1918-9

Abstract: The design of gradient concentration (GC) particles with Ni-rich inside and Mn-rich outside is proved

Keywords： gradient concentration     Ni-rich     LiNi0.6Co0.2-Mn0.2O2     electrochemical    

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Nanobubble Dynamics in Aqueous Surfactant Solutions Studied by Liquid-Phase Transmission Electron Microscopy Letter

Yuna Bae, Sungsu Kang a,b, Byung Hyo Kim, Kitaek Lim, Sungho Jeon, Sangdeok Shim, Won Chul Lee, Jungwon Park

Engineering 2021, Volume 7, Issue 5,   Pages 630-635 doi: 10.1016/j.eng.2021.02.006

Abstract: without interfaces merging, while a narrow distance is maintained between the interfaces of interacting surfactant-laden

Keywords： Nanobubbles     In situ TEM     Liquid-phase TEM     Surfactant    

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Title Author Date Type Operation

Graft copolymerization of -isopropylacrylamide with 3-(methacryloxy)propyl trimethoxysilane on ultrafine silica and its application in chromatography separation

ZHANG Liping, ZHU Yi, NI Caihua

Journal Article

Research progress of micellar-enhanced ultrafiltration for treatment of wastewater containing heavy metal ions

Yao Qingxu,Jia Mingchun,Wang Xiaowei

Journal Article

The construction of pseudo-Janus silica/surfactant assembly and their application to stabilize Pickering

Journal Article

Progress in use of surfactant in nearly static conditions in natural gas hydrate formation

Zhen PAN, Yi WU, Liyan SHANG, Li ZHOU, Zhien ZHANG

Journal Article

Localized high-concentration electrolytes for lithium metal batteries: progress and prospect

Journal Article

Stability of three-dimensional printable foam concrete as function of surfactant characteristics

Journal Article

PM concentration declining saves health expenditure in China

Journal Article

Multiphase surfactant-assisted reaction-separation system in a microchannel reactor

Salah ALJBOUR, Tomohiko TAGAWA, Mohammad MATOUQ, Hiroshi YAMADA

Journal Article

Parametric equations for notch stress concentration factors of rib–deck welds under bending loading

Journal Article

Effect of electrolyte concentration on the tribological performance of MAO coatings on aluminum alloys

Chao Wang, Jun Chen, Jihua He, Jing Jiang, Qinyong Zhang

Journal Article

study on the control of black smoke pollution from the ceramic kilns based on the mechanism of the surfactant

CUI Xiao, LI Caiting, WANG Fei, LI Shanhong, XIAO Chenchang, PENG Yu, ZHAI Yunbo

Journal Article

Diagnostic evaluation of plasma aldosterone concentration to plasma renin activity ratio in primary aldosteronism

ZHANG Huilan, WANG Daowen

Journal Article

Organosilane surfactant-assisted synthesis of mesoporous SSZ-39 zeolite with enhanced catalytic performance

Hao Xu, Chi Lei, Qinming Wu, Qiuyan Zhu, Xiangju Meng, Daniel Dai, Stefan Maurer, Andrei-Nicolae Parvulescu, Ulrich Müller, Fengshou Xiao

Journal Article

Effects of gradient concentration on the microstructure and electrochemical performance of LiNi

Wenming Li, Weijian Tang, Maoqin Qiu, Qiuge Zhang, Muhammad Irfan, Zeheng Yang, Weixin Zhang

Journal Article

Nanobubble Dynamics in Aqueous Surfactant Solutions Studied by Liquid-Phase Transmission Electron Microscopy

Yuna Bae, Sungsu Kang a,b, Byung Hyo Kim, Kitaek Lim, Sungho Jeon, Sangdeok Shim, Won Chul Lee, Jungwon Park

Journal Article