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Journal Article 363

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diffusion 13

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oxygen reduction reaction 9

reduction 4

CO2 reduction 3

Cr(VI) reduction 3

adsorption 3

oxidation 3

renewable energy 3

Activated sludge 2

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An Efficient Process for Recycling Nd–Fe–B Sludge as High-Performance Sintered Magnets Article

Xiaowen Yin, Ming Yue, Qingmei Lu, Min Liu, Feng Wang, Yubing Qiu, Weiqiang Liu, Tieyong Zuo, Shanshun Zha, Xuliang Li, Xiaofei Yi

Engineering 2020, Volume 6, Issue 2,   Pages 165-172 doi: 10.1016/j.eng.2019.11.007

Abstract: The sludge was subjected to a reduction-diffusion (RD) process in order to synthesize recycled neodymiumCalcium chloride (CaCl2) powder with a lower melting point was introduced into the RD processmechanism of the reactions was investigated systematically by adjusting the reaction temperature and calciumsingle-phase Nd2Fe14B particles with good crystallinity were obtained when the calciumweight ratio (calcium/sludge) and reaction temperature were 40 wt% and 1050 °C, respectively.

Keywords： Nd–Fe–B grinding sludge Recycled sintered magnets     Calcium reduction-diffusion     Rare-earth-rich alloy    

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The capture of carbon dioxide by transition metal aluminates, calcium aluminate, calcium zirconate, calcium

Ganesh TILEKAR, Kiran SHINDE, Kishor KALE, Reshma RASKAR, Abaji GAIKWAD

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 4,   Pages 477-491 doi: 10.1007/s11705-011-1107-y

Abstract: The capture of CO by transition metal (Mn, Ni, Co and Zn) aluminates, calcium aluminate, calcium zirconate, calcium silicate and lithium zirconate was carried out at pre- and post-combustion temperatures.Calcium zirconate captured 13.85 wt-% CO at 650°C and 2.5 atm and calcium silicate captured 14.31 wtIn addition, calcium aluminate, calcium zirconate, calcium silicate and lithium zirconate adsorbentszirconate<calcium zirconate<calcium silicate.

Keywords： captured CO2     pre-combustion temperature     characterization     calcium silicate     calcium zirconate    

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On corrosion to stainless steel by calcium chloride with different extender

Lv XU, Yuanyang HU, Liwei WANG, Ruzhu WANG,

Frontiers in Energy 2010, Volume 4, Issue 2,   Pages 181-184 doi: 10.1007/s11708-009-0065-2

Abstract: A calcium chloride solution with a different extender, which is made up of either pure calcium chloride, calcium chloride with expanded graphite, or calcium chloride with activated carbon, acts differentlyThe mass ratio between calcium chloride with expanded graphite or activated carbon is almost 4∶The experimental research in this paper reveals that, of the three solutions, which are pure calciumchloride, calcium chloride with expanded graphite, and calcium chloride with activated carbon, the strongest

Keywords： stainless steel     corrosion     calcium chloride     expanded graphite     activated carbon     oxidation creation     pitting    

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Effect of calcium lactate on compressive strength and self-healing of cracks in microbial concrete

Kunamineni VIJAY, Meena MURMU

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 3,   Pages 515-525 doi: 10.1007/s11709-018-0494-2

Abstract: effect on compressive strength and self-healing capability of bacterial concrete with the addition of calciumThe production of calcium carbonate in bacterial concrete is limited to the calcium content in cementHence calcium lactate is externally added to be an additional source of calcium in the concrete.Calcium lactates with concentrations of 0.5%, 1.0%, 1.5%, 2.0%, and 2.5% of cement, was added to theFindings of this investigation indicated the influence of added calcium lactate in bio-concrete which

Keywords： calcium lactate     bacillus subtilis     compressive strength     self-healing of cracks    

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Chemical mapping of cement pastes by using confocal Raman spectroscopy

Fengjuan LIU,Zhihui SUN

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 2,   Pages 168-173 doi: 10.1007/s11709-015-0323-9

Abstract: Cement ingredients and hydration products, including calcium silicates (C S and C S), calcium hydroxideFrom the research, it is observed that calcium silicates were consumed gradually with the increased hydrationCalcium hydroxide increased and tended to cluster in the pore vicinity during hydration.to form on the surface of the unreacted particles, which was shown as a mixed zone of ettringite and calcium

Keywords： chemical mapping     Raman spectroscopy     calcium silicates     calcium hydroxide     ettringite    

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Appraising the potential of calcium sulfoaluminate cement-based grouts in simulated permafrost environments

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 5,   Pages 722-731 doi: 10.1007/s11709-023-0950-5

Abstract: The aim of this study is to appraise the potential of calcium sulfoaluminate (CSA) cement-based grouts

Keywords： permafrost     low temperatures     calcium sulfoaluminate cement-based grouts     hydration reaction     compressive    

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A comprehensive assessment on the durability of gas diffusion electrode materials in PEM fuel cell stack

Arunkumar JAYAKUMAR

Frontiers in Energy 2019, Volume 13, Issue 2,   Pages 325-338 doi: 10.1007/s11708-019-0618-y

Abstract: The crucial and expensive component involved in it is the gas diffusion electrode (GDE) and its degradation

Keywords： PEM fuel cell     gas diffusion electrode(GDE)     gas diffusion layer(GDL)     membrane electrode assembly     durability    

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Effect of potassium carbonate on catalytic synthesis of calcium carbide at moderate temperature

Dejun SHI, Ke QIAO, Zifeng YAN

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 3,   Pages 372-375 doi: 10.1007/s11705-010-0570-1

Abstract: Calcium carbide was successfully synthesized by carbothermal reduction of lime with coke at 1973 K forAddition of potassium carbonate increased the yield of calcium carbide.This result confirmed the catalytic effect of potassium carbonate on the synthesis of calcium carbideA possible mechanism of the above effects was that the additive, which was melted at the reduction temperaturepromoted the contact between CaO and carbon, which was essential for the solid-solid reaction to form calcium

Keywords： calcium carbide     synthesis     catalysis    

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Coupled diffusion of chloride and other ions in saturated concrete

Nattapong DAMRONGWIRIYANUPAP, Linyuan LI, Yunping XI

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 3,   Pages 267-277 doi: 10.1007/s11709-011-0112-z

Abstract: The diffusion of chloride ions is associated and strongly affected by other ions in the pore solutionstructures was mathematically characterized by the Nernst-Planck equation which considered not only diffusionThe material models of chloride binding capacity and chloride diffusion coefficient were incorporated

Keywords： diffusion     chloride     concrete     Nernst-Planck equation     durability    

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Intrinsic feature extraction using discriminant diffusion mapping analysis for automated tool wear evaluation None

Yi-xiang HUANG, Xiao LIU, Cheng-liang LIU, Yan-ming LI

Frontiers of Information Technology & Electronic Engineering 2018, Volume 19, Issue 11,   Pages 1352-1361 doi: 10.1631/FITEE.1601512

Abstract:

We present a method of discriminant diffusion maps analysis (DDMA) for evaluating tool wear duringAs a dimensionality reduction technique, the DDMA method is used to fuse and reduce the original featuresextracted from both the time and frequency domains, by preserving the diffusion distances within theintrinsic dimensionality estimation; (3) feature fusion implementation through feature space mapping with diffusion

Keywords： Tool condition monitoring     Manifold learning     Dimensionality reduction     Diffusion mapping analysis     Intrinsic    

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Effects of metal ions on the morphology of calcium sulfate hemihydrate whiskers by hydrothermal method

Tianjie Liu, Hao Fan, Yanxia Xu, Xingfu Song, Jianguo Yu

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 4,   Pages 545-553 doi: 10.1007/s11705-017-1665-8

Abstract: The effects of Na , Mg , Al and Fe ion concentrations on the crystal morphology of calcium sulfateThese results indicate that in raw materials used for the industrial preparation of calcium sulfate whiskers

Keywords： metal ions     morphology     calcium sulfate hemihydrate whiskers     hydrothermal method     selective adsorption    

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Enhanced carbon tetrachloride degradation by hydroxylamine in ferrous ion activated calcium peroxide

Wenchao Jiang, Ping Tang, Zhen Liu, Huan He, Qian Sui, Shuguang Lyu

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 2, doi: 10.1007/s11783-019-1197-1

Abstract: effects of hydroxylamine (HA) and formic acid (FA) (initial [CT] = 0.13 mmol/L) in a Fe(II) activated calcium

Keywords： Calcium peroxide     Hydroxylamine     Modified Fenton     Reactive oxygen species     Perchlorinated hydrocarbon    

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Extending blending proportions of ordinary Portland cement and calcium sulfoaluminate cement blends:

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 5,   Pages 1249-1260 doi: 10.1007/s11709-021-0770-4

Abstract: This study extended blending proportion range of ordinary Portland cement (OPC) and calcium sulfoaluminate

Keywords： calcium sulfoaluminate cement     cement blends     hydration reaction     setting     workability     compressive strength    

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Experimental study of humid air reverse diffusion combustion in a turbulent flow field

GE Bing, ZANG Shusheng, GU Xin

Frontiers in Energy 2007, Volume 1, Issue 4,   Pages 428-434 doi: 10.1007/s11708-007-0062-6

Abstract: Experiments were performed to investigate the differences between the propane/air turbulent diffusionreactive flows past bluff-body and the propane/humid air turbulent diffusion reactive flows in the same

Keywords： propane/humid     propane/air turbulent     bluff-body     turbulent diffusion    

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Preparation of a Pb loaded gas diffusion electrode and its application to CO

Ang LI, Hua WANG, Jinyu HAN, Li LIU

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 4,   Pages 381-388 doi: 10.1007/s11705-012-1216-2

Abstract: A Pb loaded gas diffusion electrode was fabricated and used for the electroreduction of CO to formicThe preparation conditions of the gas diffusion electrode were optimized by adjusting the amounts ofpolytetrafluoroethylene (PTFE) in the gas diffusion layer and acetylene black in the catalytic layer.The electrochemical performance of the as-prepared gas diffusion electrode was studied by chronoamperometryThe optimized gas diffusion electrode showed good catalytic performance for the electroreduction of CO

Keywords： electroreduction     carbon dioxide     lead catalyst     gas diffusion electrode     formic acid    

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Title Author Date Type Operation

An Efficient Process for Recycling Nd–Fe–B Sludge as High-Performance Sintered Magnets

Xiaowen Yin, Ming Yue, Qingmei Lu, Min Liu, Feng Wang, Yubing Qiu, Weiqiang Liu, Tieyong Zuo, Shanshun Zha, Xuliang Li, Xiaofei Yi

Journal Article

The capture of carbon dioxide by transition metal aluminates, calcium aluminate, calcium zirconate, calcium

Ganesh TILEKAR, Kiran SHINDE, Kishor KALE, Reshma RASKAR, Abaji GAIKWAD

Journal Article

On corrosion to stainless steel by calcium chloride with different extender

Lv XU, Yuanyang HU, Liwei WANG, Ruzhu WANG,

Journal Article

Effect of calcium lactate on compressive strength and self-healing of cracks in microbial concrete

Kunamineni VIJAY, Meena MURMU

Journal Article

Chemical mapping of cement pastes by using confocal Raman spectroscopy

Fengjuan LIU,Zhihui SUN

Journal Article

Appraising the potential of calcium sulfoaluminate cement-based grouts in simulated permafrost environments

Journal Article

A comprehensive assessment on the durability of gas diffusion electrode materials in PEM fuel cell stack

Arunkumar JAYAKUMAR

Journal Article

Effect of potassium carbonate on catalytic synthesis of calcium carbide at moderate temperature

Dejun SHI, Ke QIAO, Zifeng YAN

Journal Article

Coupled diffusion of chloride and other ions in saturated concrete

Nattapong DAMRONGWIRIYANUPAP, Linyuan LI, Yunping XI

Journal Article

Intrinsic feature extraction using discriminant diffusion mapping analysis for automated tool wear evaluation

Yi-xiang HUANG, Xiao LIU, Cheng-liang LIU, Yan-ming LI

Journal Article

Effects of metal ions on the morphology of calcium sulfate hemihydrate whiskers by hydrothermal method

Tianjie Liu, Hao Fan, Yanxia Xu, Xingfu Song, Jianguo Yu

Journal Article

Enhanced carbon tetrachloride degradation by hydroxylamine in ferrous ion activated calcium peroxide

Wenchao Jiang, Ping Tang, Zhen Liu, Huan He, Qian Sui, Shuguang Lyu

Journal Article

Extending blending proportions of ordinary Portland cement and calcium sulfoaluminate cement blends:

Journal Article

Experimental study of humid air reverse diffusion combustion in a turbulent flow field

GE Bing, ZANG Shusheng, GU Xin

Journal Article

Preparation of a Pb loaded gas diffusion electrode and its application to CO

Ang LI, Hua WANG, Jinyu HAN, Li LIU

Journal Article