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calcium carbonate 2

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calcium hydroxide 2

hydration reaction 2

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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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Sorption enhanced catalytic CF

Jae-Yun Han, Chang-Hyun Kim, Boreum Lee, Sung-Chan Nam, Ho-Young Jung, Hankwon Lim, Kwan-Young Lee, Shin-Kun Ryi

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 4,   Pages 537-544 doi: 10.1007/s11705-017-1651-1

Abstract: a 10 wt-% Ce/Al O catalyst prepared by the incipient wetness method using boehmite and a granular calciumhydroxide as an adsorbent, the CF conversion in our proposed reactor was 7%–23% higher than that in

Keywords： PFCs     catalytic hydrolysis     calcium hydroxide     sorption enhanced     process simulation    

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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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Synthesis and characterization of magnesium hydroxide by batch reaction crystallization

Xingfu SONG, Shuying SUN, Dengke ZHANG, Jin WANG, Jianguo YU

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 4,   Pages 416-421 doi: 10.1007/s11705-011-1125-9

Abstract: Magnesium hydroxide with high purity and uniform particle size distribution was synthesized by the directThe particle size distribution, crystal phase, morphology, and surface area of magnesium hydroxide weresynthesis conditions on the particle size distribution and water content (filtration cake) of magnesium hydroxidedistribution of the product, and sodium chloride improved the crystallization behavior of magnesium hydroxideand mild synthesis method was promising to be scaled up for the industrial production of magnesium hydroxide

Keywords： magnesium hydroxide     direct precipitation method     industrial crystallization     particle size distribution    

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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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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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Noble-metal-free cobalt hydroxide nanosheets for efficient electrocatalytic oxidation

Jie Lan, Daizong Qi, Jie Song, Peng Liu, Yi Liu, Yun-Xiang Pan

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 6,   Pages 948-955 doi: 10.1007/s11705-020-1920-2

Abstract: Cobalt hydroxide has been emerging as a promising catalyst for the electrocatalytic oxidation reactionsHerein, we prepared cobalt hydroxide nanoparticles (CoHP) and cobalt hydroxide nanosheets (CoHS) on nickel

Keywords： electrocatalytic oxidation     cobalt hydroxide     nanosheet     water     glucose    

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Hierarchically porous cellulose nanofibril aerogel decorated with polypyrrole and nickel-cobalt layered double hydroxide

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1593-1607 doi: 10.1007/s11705-023-2348-2

Abstract: to integrate highly conductive polypyrrole and active nanoflower-like nickel-cobalt layered double hydroxide

Keywords： cellulose nanofibril     aerogel     nickel-cobalt layered double hydroxide     polypyrrole     nonenzymatic glucose    

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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 carbidepromoted 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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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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Effect of calcium on porcine ICSI embryos expressing EGFP is related to activation of ooplasmic DNase

Shuaishuai WU,Heng CHEN,Yingzheng WANG,Hui GAO,Shenming ZENG

Frontiers of Agricultural Science and Engineering 2015, Volume 2, Issue 1,   Pages 84-89 doi: 10.15302/J-FASE-2015046

Abstract: To date, the effect of different calcium concentrations in manipulation media on porcine intracytoplasmicThe present study was conducted to examine the effect of calcium in the surrounding media, and we found

Keywords： ICSI     calcium     DNase I     GFP     porcine    

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Effect of wastewater composition on the calcium carbonate precipitation in upflow anaerobic sludge blanket

Shucheng YANG, Yanling HE, Charles CHOU, Pengxiang ZHANG, Dongqi WANG, Yonghong LIU,

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 2,   Pages 142-149 doi: 10.1007/s11783-010-0026-3

Abstract: Calcium carbonate often precipitates in anaerobic reactors treating wastewater with high calcium contentThe aim of this paper is to study the effect of wastewater composition on calcium carbonate precipitationTwo laboratory-scale UASB reactors were operated with calcium-containing influents using acetate andCalcium carbonate was found to have precipitated on the surface of acetate-degrading biogranules, butThe results indicated that substrates had significant influence on the location of calcium carbonate

Keywords： calcium carbonate     precipitation     anaerobic granular sludge     wastewater composition     microstructure     upflow    

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Title Author Date Type Operation

Chemical mapping of cement pastes by using confocal Raman spectroscopy

Fengjuan LIU,Zhihui SUN

Journal Article

Sorption enhanced catalytic CF

Jae-Yun Han, Chang-Hyun Kim, Boreum Lee, Sung-Chan Nam, Ho-Young Jung, Hankwon Lim, Kwan-Young Lee, Shin-Kun Ryi

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

Synthesis and characterization of magnesium hydroxide by batch reaction crystallization

Xingfu SONG, Shuying SUN, Dengke ZHANG, Jin WANG, Jianguo YU

Journal Article

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

Kunamineni VIJAY, Meena MURMU

Journal Article

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

Journal Article

Noble-metal-free cobalt hydroxide nanosheets for efficient electrocatalytic oxidation

Jie Lan, Daizong Qi, Jie Song, Peng Liu, Yi Liu, Yun-Xiang Pan

Journal Article

Hierarchically porous cellulose nanofibril aerogel decorated with polypyrrole and nickel-cobalt layered double hydroxide

Journal Article

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

Dejun SHI, Ke QIAO, Zifeng YAN

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

Effect of calcium on porcine ICSI embryos expressing EGFP is related to activation of ooplasmic DNase

Shuaishuai WU,Heng CHEN,Yingzheng WANG,Hui GAO,Shenming ZENG

Journal Article

Effect of wastewater composition on the calcium carbonate precipitation in upflow anaerobic sludge blanket

Shucheng YANG, Yanling HE, Charles CHOU, Pengxiang ZHANG, Dongqi WANG, Yonghong LIU,

Journal Article