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Recent advances in cycloaddition of CO with epoxides: halogen-free catalysis and mechanistic insights

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 1879-1894 doi: 10.1007/s11705-023-2354-4

Abstract: The atom-economical cycloaddition of CO2 with epoxides to synthesize cyclic carbonates is

Keywords： carbon dioxide     halogen-free catalysis     cyclic carbonate     mechanistic insight    

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Cationic organobismuth complex as an effective catalyst for conversion of CO

Xiaowen ZHANG, Weili DAI, Shuangfeng YIN, Shenglian LUO, Chak-Tong AU

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 1,   Pages 32-37 doi: 10.1007/s11783-008-0068-y

Abstract: tetrahydrodibenz[c,f] azabismocine framework was examined for the first time for the coupling of CO into cyclic

Keywords： cationic organobismuth complex     terminal epoxide     carbon dioxide     coupling     cyclic carbonate    

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Polyethylene glycol-supported ionic liquid as a highly efficient catalyst for the synthesis of propylene carbonate

Rui YAO, Hua WANG, Jinyu HAN

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 3,   Pages 239-245 doi: 10.1007/s11705-012-1297-y

Abstract: The coupling reaction of propylene and CO to form propylene carbonate (PC) was promoted by an ionic

Keywords： ionic liquid     PEG-supported ionic liquid     carbon dioxide     propylene carbonate    

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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 precipitationCalcium 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 carbonateMoreover, the location of calcium carbonate precipitation substantially affected the specific methanogenic

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

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Novel eco-efficient reactive distillation process for dimethyl carbonate production by indirect alcoholysis

Iulian Patraşcu, Costin S. Bîldea, Anton A. Kiss

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 2,   Pages 316-331 doi: 10.1007/s11705-021-2047-9

Abstract: Dimethyl carbonate is an eco-friendly essential chemical that can be sustainably produced from CO , whichThe rapid increase in dimethyl carbonate demand is driven by the fast growth of polycarbonates, solventDimethyl carbonate can be produced from CO through various chemical pathways, but the most convenientTherefore, less equipment is required, the methanol-dimethyl carbonate azeotrope does not need to beThe energy requirement is reduced by heat integration to just 1.25 kW·h·kg dimethyl carbonate, which

Keywords： dimethyl carbonate     reactive distillation     process design     plantwide control    

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Inspection System of Carbonate Equilibrium for Groundwater

Liu Jiangang,Zheng Kexun,Fu Weining,Wu Shunhua

Strategic Study of CAE 2003, Volume 5, Issue 9,   Pages 61-64

Abstract:

The paper discusses the relationship between three forms of carbonate as H2C03carbonateSo features of carbonate equilibrium in carbonate rock depend on component of calcite.

Keywords： carbonate rock     groundwater     carbonate equilibrium     pH value    

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Multi-objective optimization of molten carbonate fuel cell system for reducing CO

Ramin ROSHANDEL,Majid ASTANEH,Farzin GOLZAR

Frontiers in Energy 2015, Volume 9, Issue 1,   Pages 106-114 doi: 10.1007/s11708-014-0341-7

Abstract: The aim of this paper is to investigate the implementation of a molten carbonate fuel cell (MCFC) as

Keywords： molten carbonate fuel cell (MCFC)     multi-objective optimization (MOO)     Pareto curve     genetic algorithm     CO    

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An enhanced damage plasticity model for predicting the cyclic behavior of plain concrete under multiaxial

Mohammad Reza AZADI KAKAVAND, Ertugrul TACIROGLU

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 6,   Pages 1531-1544 doi: 10.1007/s11709-020-0675-7

Abstract: the current models that adopt two damage variables, the independence of these damage variables during cyclicThis study presents a cyclic model established by extending an existing monotonic constitutive model.The model describes the cyclic behavior of concrete under multiaxial loading conditions and considersECDPM is evaluated using experimental data on concrete specimens at the material level obtained under cyclic

Keywords： damage plasticity model     plain concrete     cyclic loading     multiaxial loading conditions    

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Isogeometric analysis of coupled thermo-elastodynamic problems under cyclic thermal shock

Asghar AMANI DASHLEJEH

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 2,   Pages 397-405 doi: 10.1007/s11709-018-0473-7

Abstract: Finally, cyclic thermal shock (CTS) loading was applied on the half-space problem.

Keywords： isogeometric analysis     coupled thermo-elastodynamic     dynamic analysis     generalized newmark     cyclic thermal    

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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: The effect of potassium carbonate as additive on the composition and morphology of the product was investigatedAddition of potassium carbonate increased the yield of calcium carbide.The sample in the presence of potassium carbonate generated acetylene gas of 168.3 L/kg, which was 10%higher than that in the absence of potassium carbonate.This result confirmed the catalytic effect of potassium carbonate on the synthesis of calcium carbide

Keywords： calcium carbide     synthesis     catalysis    

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Prediction of cyclic large plasticity for prestrained structural steel using only tensile coupon tests

Liang-Jiu JIA, Tsuyoshi KOYAMA, Hitoshi KUWAMURA

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 4,   Pages 466-476 doi: 10.1007/s11709-013-0219-5

Abstract: This paper aims to predict cyclic plasticity of structural steels with tensile and compressive prestrainMonotonic and cyclic tests on hourglass specimens with tensile and compressive prestrain are conductedstress for specimens with tensile prestrain, while the second approach is able to accurately predict the cyclic

Keywords： cyclic plasticity     prestrain     Chaboche model     mild steel    

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Influence of crystalline phase of Li-Al-O oxides on the activity of Wacker-type catalysts in dimethyl carbonate

Yadong GE, Yuanyuan DONG, Shengping WANG, Yujun ZHAO, Jing LV, Xinbin MA

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 4,   Pages 415-422 doi: 10.1007/s11705-012-1214-4

Abstract: The catalysts supported on LiAl O (spinel) for vapor phase synthesis of dimethyl carbonate (DMC) from

Keywords： Wacker-type catalyst     dimethyl carbonate     methyl nitrite     spinel    

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Direct synthesis of diphenyl carbonate over heterogeneous catalyst: effects of structure of substituted

WU Guangwen, JIN Fang, WU Yuxin, ZHANG Guangxu, LI Dinghuo, WANG Cunwen, MA Peisheng

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 1,   Pages 59-64 doi: 10.1007/s11705-007-0012-x

Abstract: Active component Pd was loaded on various perovskite supports for synthesis of diphenyl carbonate.

Keywords： photoelectron spectroscopy     diphenyl carbonate     proportion     diffraction     perovskite    

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The Cyclic Bispectrum and Its Application to the Analysis of the Fault Signal About Cyclostationary

Su Zhongyuan,Jia Minping,Xu Feiyun,Hu Jianzhong

Strategic Study of CAE 2006, Volume 8, Issue 9,   Pages 57-60

Abstract:

The way of computing the cyclic cumulant of cyclostationary signal of unknown cyclic frequency isBy the analysis of simulation testing data of phase modulation signal, the cyclic bispectrum is showedAnd the cyclic bispectrum is used to analysis of the industrial vibration data of the rotating machine

Keywords： cyclic stationary     cyclic bispectrum     nth-order lag product    

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Experimental research on seismic behavior of recycled concrete frame under varying cyclic loading

SUN Yuedong, XIAO Jianzhuang, ZHOU Deyuan

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 4,   Pages 302-308 doi: 10.1007/s11709-008-0050-6

Abstract: coarse aggregate whose scales are 1:2 entirely, and a comparative study is conducted under low-reversed cyclicdeterioration of strength and stiffness and energy dissipation of recycled concrete frames under low-reversed cyclic

Keywords： different     aggregate     stiffness     practical application     % recycled    

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Title Author Date Type Operation

Recent advances in cycloaddition of CO with epoxides: halogen-free catalysis and mechanistic insights

Journal Article

Cationic organobismuth complex as an effective catalyst for conversion of CO

Xiaowen ZHANG, Weili DAI, Shuangfeng YIN, Shenglian LUO, Chak-Tong AU

Journal Article

Polyethylene glycol-supported ionic liquid as a highly efficient catalyst for the synthesis of propylene carbonate

Rui YAO, Hua WANG, Jinyu HAN

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

Novel eco-efficient reactive distillation process for dimethyl carbonate production by indirect alcoholysis

Iulian Patraşcu, Costin S. Bîldea, Anton A. Kiss

Journal Article

Inspection System of Carbonate Equilibrium for Groundwater

Liu Jiangang,Zheng Kexun,Fu Weining,Wu Shunhua

Journal Article

Multi-objective optimization of molten carbonate fuel cell system for reducing CO

Ramin ROSHANDEL,Majid ASTANEH,Farzin GOLZAR

Journal Article

An enhanced damage plasticity model for predicting the cyclic behavior of plain concrete under multiaxial

Mohammad Reza AZADI KAKAVAND, Ertugrul TACIROGLU

Journal Article

Isogeometric analysis of coupled thermo-elastodynamic problems under cyclic thermal shock

Asghar AMANI DASHLEJEH

Journal Article

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

Dejun SHI, Ke QIAO, Zifeng YAN

Journal Article

Prediction of cyclic large plasticity for prestrained structural steel using only tensile coupon tests

Liang-Jiu JIA, Tsuyoshi KOYAMA, Hitoshi KUWAMURA

Journal Article

Influence of crystalline phase of Li-Al-O oxides on the activity of Wacker-type catalysts in dimethyl carbonate

Yadong GE, Yuanyuan DONG, Shengping WANG, Yujun ZHAO, Jing LV, Xinbin MA

Journal Article

Direct synthesis of diphenyl carbonate over heterogeneous catalyst: effects of structure of substituted

WU Guangwen, JIN Fang, WU Yuxin, ZHANG Guangxu, LI Dinghuo, WANG Cunwen, MA Peisheng

Journal Article

The Cyclic Bispectrum and Its Application to the Analysis of the Fault Signal About Cyclostationary

Su Zhongyuan,Jia Minping,Xu Feiyun,Hu Jianzhong

Journal Article

Experimental research on seismic behavior of recycled concrete frame under varying cyclic loading

SUN Yuedong, XIAO Jianzhuang, ZHOU Deyuan

Journal Article