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Comparative study of oscillating flow characteristics of cryocooler regenerator at low temperatures

Yonglin JU , Qingqing SHEN ,

Frontiers in Energy 2009, Volume 3, Issue 1,   Pages 80-84 doi: 10.1007/s11708-009-0008-y

Abstract: the effects of different operating frequencies ranging from 20 to 80 Hz, at room and cryogenic temperatures

Keywords： friction factor     regenerator     oscillating flow     high frequency    

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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: hydration products, which indicates the rapid hydration of CSA cement-based grouts at the early stage at lowtemperatures.

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

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Characterization and performance of V

Caiting LI, Qun LI, Pei LU, Huafei CUI, Guangming ZENG

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 2,   Pages 156-161 doi: 10.1007/s11783-010-0295-x

Abstract: series of CeO supported V O catalysts with various loadings were prepared with different calcination temperaturesThe catalysts were evaluated for low temperature selective catalytic reduction (SCR) of NO with ammonia

Keywords： sub>2 catalysts     NH3-SCR (selective catalytic reduction)     the incipient impregnation     lowtemperatures    

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An investigation of reaction furnace temperatures and sulfur recovery

S. ASADI, M. PAKIZEH, M. POURAFSHARI CHENAR

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 3,   Pages 362-371 doi: 10.1007/s11705-011-1106-z

Abstract: The bed temperatures were optimized in order to enhance the sulfur recovery for a given acid gas feed

Keywords： Claus unit     concentration of H2S     tail gas ratio     sulfur recovery     catalytic bed    

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Energy distribution between liquid hydrogen and liquid oxygen temperatures in a Stirling/pulse tube refrigerator

Frontiers in Energy 2023, Volume 17, Issue 4,   Pages 516-526 doi: 10.1007/s11708-022-0844-6

Abstract: present study, an SPR was designed and manufactured to work between the liquid hydrogen and liquid oxygen temperatures

Keywords： Stirling/pulse tube refrigerator     displacer displacement     space application     phase shift     energy distribution    

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Predictive model to decouple the contributions of friction and plastic deformation to machined surface temperatures

Subhash ANURAG, Yuebin GUO,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 3,   Pages 247-255 doi: 10.1007/s11465-010-0097-7

Abstract: High temperatures are produced when more materials are plowed under the cutting edge.A large tool/work friction leads to higher surface temperatures, and the use of a cutting tool with physicalproperties in process simulation significantly improves the accuracy of predicted surface temperatures

Keywords： surface temperature     friction     residual stress     finite element analysis (FEA)     dry cutting     tool property    

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An improved design method to predict the E-modulus and strength of FRP composites at different temperatures

Mohammed FARUQI, Gobishanker RAJASKANTHAN, Breanna BAILEY, Francisco AGUINIGA

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 12,   Pages 1653-1653 doi: 10.1007/s11709-019-0578-7

Abstract: However, the E-modulus and strength of such members at high service temperatures is still unknown.Modulus and strength of FRP at high service temperatures are highly required parameters for full designpaper proposes design methods for calculating the E-modulus and strength of FRP members at different temperatures

Keywords： concrete     fiber reinforced polymer     E-modulus     strength     temperatures    

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Deflection behavior of a prestressed concrete beam reinforced with carbon fibers at elevated temperatures

Mohammed FARUQI, Mohammed Sheroz KHAN

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 1,   Pages 81-91 doi: 10.1007/s11709-018-0468-4

Abstract: However, the behavior of such members under the influence of elevated temperatures is still unknown.deflection behavior of the carbon fiber reinforced polymer(CFRP) prestressed concrete beam at elevated temperaturespredicting the deflection behavior of CFRP prestressed concrete beams within the range of practical temperaturesmode (FEM) of a simply supported concrete beam prestressed with CFRP subjected to practical elevated temperatures

Keywords： FRP     CFRP     concrete     elevated temperatures     deflections     prestress    

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Research and Development of Inert cathode and Anode in Aluminium Electrolysis

Qiu Zhuxian

Strategic Study of CAE 2001, Volume 3, Issue 5,   Pages 50-54

Abstract:

Some new types of electrodes for modern aluminium electrolysis cells are reviewed in this paper. They include inert cathode, inert anode, dipolar electrode and SiC side lining. Their functions and developing tendency are discussed.

Keywords： inert anode     inert cathode     SiC side lining     aluminium electrolysis at lower temperatures    

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Innovation practice in engineering management of the Shenzhen International Low-Carbon City

Yimin LIU, Longbin HE, Xuan LI, Qin ZHENG

Frontiers of Engineering Management 2019, Volume 6, Issue 2,   Pages 302-307 doi: 10.1007/s42524-019-0031-6

Abstract: Shanghai Baoye Group Engineering Co., Ltd. Shenzhen Longgang Construction and Works Bureau Shenzhen Institute of Building Research Co., Ltd. Shenzhen Yinjian’an Engineering Project Management Co., Ltd. Shenzhen Jiuyi Green Operation Management Co. Ltd.

Keywords： low-carbon city     low-carbon design     city-industry integration     low-carbon development     low-carbon management    

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Simulation on thermodynamic state of ammonia carbonation at low temperature and low pressure

Jingcai ZHAO, Xingfu SONG, Ze SUN, Jianguo YU

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 4,   Pages 447-455 doi: 10.1007/s11705-013-1370-1

Abstract: The results indicated that at low temperature (303.15 K–363.15 K) and pressure (0.1–0.4 MPa), the PR

Keywords： vapor-liquid equilibrium     activity coefficient     carbon dioxide     ammonia     NRTL    

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Energy transition management towards a low-carbon world

Frontiers of Engineering Management 2022, Volume 9, Issue 3,   Pages 499-503 doi: 10.1007/s42524-022-0201-9

Keywords： energy transition     low-carbon technology     system modeling     transition path     emission reduction    

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A hybrid method for product low-end disruptive innovation

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 3, doi: 10.1007/s11465-022-0690-6

Abstract: Low-end disruptive innovation (LDI) enables a product to meet the most price-sensitive customers in thelow-end market.

Keywords： low-end disruptive innovation     product design     design improvement     theory of inventive problem solving    

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Experimental study on behavior of mortar-aggregate interface after elevated temperatures

Wan WANG, Jianzhuang XIAO, Shiying XU, Chunhui WANG

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 2,   Pages 158-168 doi: 10.1007/s11709-016-0374-6

Abstract: conducted to study the meso-scale behavior of mortar-aggregate interface for concrete after elevated temperaturesFor MC, major cracks started to propagate along the initial cracks caused by elevated temperatures atFor MRAC, the cracks appeared at a lower level of load with the increasing elevated temperatures.Besides, effect of temperatures and strength grade of mortar on residual peak load and peak displacementThe properties of recycled aggregate concrete (RAC) may be more sensitive to elevated temperatures than

Keywords： mortar-aggregate interface     push-out test     elevated temperatures     modeled concrete (MC)     modeled recycled    

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Acupuncture is ineffective for chronic low back pain? A critical analysis and rethinking

Xuqiang Wei, Baoyan Liu

Frontiers of Medicine 2021, Volume 15, Issue 5,   Pages 767-775 doi: 10.1007/s11684-020-0785-6

Abstract: Most RCTs conclude that acupuncture procedures for chronic low back pain (CLBP) had no significant differenceMoreover, sham acupuncture is often proven to be non-inert, unreasonable, and with low fidelity.

Keywords： chronic low back pain     sham acupuncture     acupuncture     methodology     therapeutic evaluation    

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Title Author Date Type Operation

Comparative study of oscillating flow characteristics of cryocooler regenerator at low temperatures

Yonglin JU , Qingqing SHEN ,

Journal Article

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

Journal Article

Characterization and performance of V

Caiting LI, Qun LI, Pei LU, Huafei CUI, Guangming ZENG

Journal Article

An investigation of reaction furnace temperatures and sulfur recovery

S. ASADI, M. PAKIZEH, M. POURAFSHARI CHENAR

Journal Article

Energy distribution between liquid hydrogen and liquid oxygen temperatures in a Stirling/pulse tube refrigerator

Journal Article

Predictive model to decouple the contributions of friction and plastic deformation to machined surface temperatures

Subhash ANURAG, Yuebin GUO,

Journal Article

An improved design method to predict the E-modulus and strength of FRP composites at different temperatures

Mohammed FARUQI, Gobishanker RAJASKANTHAN, Breanna BAILEY, Francisco AGUINIGA

Journal Article

Deflection behavior of a prestressed concrete beam reinforced with carbon fibers at elevated temperatures

Mohammed FARUQI, Mohammed Sheroz KHAN

Journal Article

Research and Development of Inert cathode and Anode in Aluminium Electrolysis

Qiu Zhuxian

Journal Article

Innovation practice in engineering management of the Shenzhen International Low-Carbon City

Yimin LIU, Longbin HE, Xuan LI, Qin ZHENG

Journal Article

Simulation on thermodynamic state of ammonia carbonation at low temperature and low pressure

Jingcai ZHAO, Xingfu SONG, Ze SUN, Jianguo YU

Journal Article

Energy transition management towards a low-carbon world

Journal Article

A hybrid method for product low-end disruptive innovation

Journal Article

Experimental study on behavior of mortar-aggregate interface after elevated temperatures

Wan WANG, Jianzhuang XIAO, Shiying XU, Chunhui WANG

Journal Article

Acupuncture is ineffective for chronic low back pain? A critical analysis and rethinking

Xuqiang Wei, Baoyan Liu

Journal Article