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Coulomb-type solutions for passive earth pressure with steady seepage

WANG Junjie, CHAI Hejun, LIN Xin, XU Jiamei

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 1,   Pages 56-66 doi: 10.1007/s11709-008-0001-2

Abstract: inclination of the failure surface and the coefficient of passive earth pressure with increasing the effectivefriction angle of the soil mass, the soil/structure friction angle, and the water/soil unit weight ratio

Keywords： function     coefficient     Coulomb-type     effective friction     different drainage    

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Analysis of nonlinear channel friction inverse problem

CHENG Weiping, LIU Guohua

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 2,   Pages 205-210 doi: 10.1007/s11709-007-0024-0

Abstract: decomposition (SVD) for general inverse matrices and the optimization algorithm are used to solve the channel frictionThe resolution and covariance friction inverse model in matrix form is developed to examine the reliability

Keywords： singular     SVD     second-order     covariance     Theoretical    

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Effects of leakage and friction on the miniaturization of a Wankel compressor

Yilin ZHANG, Wen WANG

Frontiers in Energy 2011, Volume 5, Issue 1,   Pages 83-92 doi: 10.1007/s11708-010-0125-7

Abstract: The discussion is related to the effect of leakage and friction on the design limit (cooling capacityThe largest friction originates from the clearance among the end face of the eccentric shaft, the end

Keywords： meso-scale     Wankel compressor     leakage     friction    

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A multi-probe micro-fabrication apparatus based on the friction-induced fabrication method

Zhijiang WU, Chenfei SONG, Jian GUO, Bingjun YU, Linmao QIAN

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 4,   Pages 333-339 doi: 10.1007/s11465-013-0276-4

Abstract:

A novel multi-probe micro-fabrication apparatus was developed based on the friction-induced fabricationCombining the friction-induced scanning with selective etching in KOH solution, various micro-patternsefficiency fabrication device, the multi-probe micro-fabrication apparatus may encourage the development of friction-induced

Keywords： friction-induced fabrication     silicon     surface texture     friction     multi-probe    

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Expressions for Differential and Apparent Coefficients of Static Friction

Wang Weiyuan

Strategic Study of CAE 2001, Volume 3, Issue 8,   Pages 29-32

Abstract:

Recently, scientists and engineers are interested in coefficients of static friction on micro andOn macro scale, the friction force is proportional to load, the apparent coefficients of static frictionHowever, a lot of experiments carried out with scanning microscope, atomic force microscope and frictionIn this paper, from the definition of differential coefficients of static friction, the expressions fordifferential and apparent coefficients of static friction, 〓 and 〓 for several models are deduced.

Keywords： differential coefficients of static friction     coefficients of static friction on micro or nano scale     apparentcoefficients of static friction     coefficients of static friction on macro scale    

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Air-side heat transfer and friction characteristics of biofouled evaporator under wet conditions

Hui PU, Guoliang DING, Xiaokui MA, Haitao HU, Yifeng GAO,

Frontiers in Energy 2010, Volume 4, Issue 3,   Pages 306-312 doi: 10.1007/s11708-009-0067-0

Abstract: The effects of biofouling on air-side heat transfer and friction characteristics under wet conditionscondition of the biofouled area ratio of 60% at the inlet air velocity of 2.0m/s; The ranges of friction

Keywords： finned tube     evaporator     fouling     heat transfer     friction    

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Modeling of the minimum cutting thickness in micro cutting with consideration of the friction around

Tianfeng ZHOU, Ying WANG, Benshuai RUAN, Zhiqiang LIANG, Xibin WANG

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 1,   Pages 81-88 doi: 10.1007/s11465-019-0561-y

Abstract: Friction modeling between the tool and the workpiece plays an important role in predicting the minimumIn this study, a new three-region friction modeling is proposed to illustrate the material flow mechanismaround the friction zone in micro cutting; estimate the stress distributions on the rake, edge, andThe friction modeling is established by determining the distribution of normal and shear stress.Micro cutting experiments are conducted to validate the accuracy of the friction and the minimum cutting

Keywords： tool friction     minimum cutting thickness     finite element method     tool edge radius     micro cutting    

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Study of base friction simulation tests based on a complicated engineered bridge slope

Liu HE, Guang WU, Hua WANG

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 4,   Pages 393-397 doi: 10.1007/s11709-012-0174-6

Abstract: In this paper, a physical base friction test model of a slope is established.slope in both its natural state and during excavation loading is qualitatively analyzed through base frictionThe base friction test results are then subjected to comparison and analysis using finite element numerical

Keywords： base friction test     slope stability evaluation     bridge slope    

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Parametric study on the Multangular-Pyramid Concave Friction System (MPCFS) for seismic isolation

Wei XIONG, Shan-Jun ZHANG, Li-Zhong JIANG, Yao-Zhuang LI

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 5,   Pages 1152-1165 doi: 10.1007/s11709-020-0659-7

Abstract: conducted on a steel-frame structure Finite-Element (FE) model with the Multangular-Pyramid Concave Frictionparametric study with varying controlling parameters, such as isolation foundation, inclination angle, friction

Keywords： seismic isolation     variable frequency     near-fault earthquake     numerical study     Multangular-Pyramid Concave Friction    

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Laboratory and field evaluation of asphalt pavement surface friction resistance

Zhong WU, Chris ABADIE

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 3,   Pages 372-381 doi: 10.1007/s11709-017-0463-1

Abstract:

Pavement surface friction is a significant factor for driving safety and plays a critical role inHowever, the current asphalt mixture design procedure does not directly consider friction as a requirementThe objective of this study was to develop a surface friction prediction model that can be used duringon twenty-two selected asphalt pavement sections using different in situ devices including Dynamic Frictionsuited in checking whether the selected aggregates in a wearing course mix design would meet field friction

Keywords： friction skid resistance     polishing     PSV     LWST     micro-texture     macro-texture    

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Estimation of the minimum effective dose of tramadol for postoperative analgesia in infants using the

Yue’e Dai, Dongxu Lei, Zhenghua Huang, Yan Yin, G. Allen Finley, Yunxia Zuo

Frontiers of Medicine 2012, Volume 6, Issue 3,   Pages 288-295 doi: 10.1007/s11684-012-0208-4

Abstract: However, the analgesia efficacy of tramadol, particularly its minimum effective dose (MED), is not clear

Keywords： tramadol     minimum effective dose     postoperative analgesia     infants     continual reassessment method    

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

Subhash ANURAG, Yuebin GUO,

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

Abstract: Furthermore, the individual contribution of tool/work friction and plastic deformation of work materialsThis lack of understanding on the temperature distribution blocks the design of effective cutting toolprovides a finite element method based on a predictive model to decouple the contributions of tool/work frictiondeformation of work material contributes to the majority of surface temperature, whereas the tool/work frictionA large tool/work friction leads to higher surface temperatures, and the use of a cutting tool with physical

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

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Developing effective tumor vaccines: basis, challenges and perspectives

XU Qingwen, CHEN Weifeng

Frontiers of Medicine 2007, Volume 1, Issue 1,   Pages 11-19 doi: 10.1007/s11684-007-0003-9

Abstract: Continued progress in development of effective cancer vaccines depends on the identification of appropriate

Keywords： development     conventional     identification     elucidation     Successful immunotherapy    

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Effect of friction coefficients on the dynamic response of gear systems

Lingli JIANG, Zhenyong DENG, Fengshou GU, Andrew D. BALL, Xuejun LI

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 3,   Pages 397-405 doi: 10.1007/s11465-017-0415-4

Abstract: The change in the lubrication conditions is modeled by the changes in the friction coefficients, therebydemonstrated by the mean and root mean square values calculated by the simulated responses under different friction

Keywords： dynamic response     friction coefficient     wind loads     wind turbine gearbox    

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Z-scheme CdS/WO on a carbon cloth enabling effective hydrogen evolution

Frontiers in Energy 2021, Volume 15, Issue 3,   Pages 678-686 doi: 10.1007/s11708-021-0768-6

Abstract: Photocatalytic water splitting for hydrogen (H2) generation is a potential strategy to solve the problem of energy crisis and environmental deterioration. However, powder-like photocatalysts are difficult to recycle, and the agglomeration of particles would affect the photocatalytic activity. Herein, a direct Z-scheme CdS/WO3 composite photocatalyst was fabricated based on carbon cloth through a two-step process. With the support of carbon cloth, photocatalysts tend to grow uniformly for further applications. The experimental results showed that the H2 yield of adding one piece of CdS/WO3 composite material was 17.28 μmol/h, which was 5.5 times as compared to that of pure CdS-loaded carbon cloth material. A cycle experiment was conducted to verify the stability of the as-prepared material and the result demonstrated that the H2 generation performance of CdS/WO3 decreased slightly after 3 cycles. This work provides new ideas for the development of recyclable photocatalysts and has a positive significance for practical applications.

Keywords： photocatalysis     CdS/WO3     carbon cloth     Z-scheme     hydrogen evolution    

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Title Author Date Type Operation

Coulomb-type solutions for passive earth pressure with steady seepage

WANG Junjie, CHAI Hejun, LIN Xin, XU Jiamei

Journal Article

Analysis of nonlinear channel friction inverse problem

CHENG Weiping, LIU Guohua

Journal Article

Effects of leakage and friction on the miniaturization of a Wankel compressor

Yilin ZHANG, Wen WANG

Journal Article

A multi-probe micro-fabrication apparatus based on the friction-induced fabrication method

Zhijiang WU, Chenfei SONG, Jian GUO, Bingjun YU, Linmao QIAN

Journal Article

Expressions for Differential and Apparent Coefficients of Static Friction

Wang Weiyuan

Journal Article

Air-side heat transfer and friction characteristics of biofouled evaporator under wet conditions

Hui PU, Guoliang DING, Xiaokui MA, Haitao HU, Yifeng GAO,

Journal Article

Modeling of the minimum cutting thickness in micro cutting with consideration of the friction around

Tianfeng ZHOU, Ying WANG, Benshuai RUAN, Zhiqiang LIANG, Xibin WANG

Journal Article

Study of base friction simulation tests based on a complicated engineered bridge slope

Liu HE, Guang WU, Hua WANG

Journal Article

Parametric study on the Multangular-Pyramid Concave Friction System (MPCFS) for seismic isolation

Wei XIONG, Shan-Jun ZHANG, Li-Zhong JIANG, Yao-Zhuang LI

Journal Article

Laboratory and field evaluation of asphalt pavement surface friction resistance

Zhong WU, Chris ABADIE

Journal Article

Estimation of the minimum effective dose of tramadol for postoperative analgesia in infants using the

Yue’e Dai, Dongxu Lei, Zhenghua Huang, Yan Yin, G. Allen Finley, Yunxia Zuo

Journal Article

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

Subhash ANURAG, Yuebin GUO,

Journal Article

Developing effective tumor vaccines: basis, challenges and perspectives

XU Qingwen, CHEN Weifeng

Journal Article

Effect of friction coefficients on the dynamic response of gear systems

Lingli JIANG, Zhenyong DENG, Fengshou GU, Andrew D. BALL, Xuejun LI

Journal Article

Z-scheme CdS/WO on a carbon cloth enabling effective hydrogen evolution

Journal Article