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Enhanced dewatering characteristics of waste activated sludge with Fenton pretreatment: effectiveness and statistical optimization

Guangyin ZHEN, Xueqin LU, Baoying WANG, Youcai ZHAO, Xiaoli CHAI, Dongjie NIU, Tiantao ZHAO

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 2,   Pages 267-276 doi: 10.1007/s11783-013-0530-3

Abstract: A significant quadratic polynomial model was obtained ( 0.9189) with capillary suction time (CST) reductionfound to be 178 mg·g VSS (volatile suspended solids), 211 mg·g VSS and 3.8, respectively, at which CST

Keywords： Fenton pretreatment     response surface methodology (RSM)     capillary suction time (CST)     dewaterabilty     molecular    

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Simulation on refrigerant flow in adiabatic capillary tube

WANG Meixia, LIU Cunfang, ZHOU Qiangtai

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 3,   Pages 332-336 doi: 10.1007/s11465-008-0054-x

Abstract: This paper proposes a new mathematical model to calculate flow characteristics of the adiabatic capillary

Keywords： mathematical     diameter     literature     sub-cooling     adiabatic capillary    

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Prediction of hydro-suction dredging depth using data-driven methods

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 3,   Pages 652-664 doi: 10.1007/s11709-021-0719-7

Abstract: optimization (HGSO) methods, and simple equations methods were applied to simulate the maximum hydro-suction

Keywords： sedimentation     water resources     dam engineering     machine learning     heuristic    

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A concept of capillary active, dynamic insulation integrated with heating, cooling and ventilation, air

Mark BOMBERG

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 4,   Pages 431-437 doi: 10.1007/s11709-010-0071-9

Abstract: It is focused on the most successful applications of capillary active, dynamic interior thermal insulationStarting with a pioneering work of the Technical University in Dresden in development of capillary active

Keywords： capillary active insulation     integrated heating     cooling and ventilation     air conditioning (HVAC) and building    

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Magnetohydrodynamic slip flow and diffusion of a reactive solute past a permeable flat plate with suction

Krishnendu BHATTACHARYYA, G. C. LAYEK

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 4,   Pages 471-476 doi: 10.1007/s11705-011-1130-z

Abstract: On the other hand, with an increase in the magnetic field and mass suction, both boundary layer thicknesses

Keywords： slip flow     MHD boundary layer     reactive solute diffusion     flat plate     suction/injection    

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heat source/sink on unsteady MHD boundary layer flow and heat transfer over a shrinking sheet with suction

Krishnendu Bhattacharyya

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 3,   Pages 376-384 doi: 10.1007/s11705-011-1121-0

Abstract: heat source/sink on the unsteady boundary layer flow and heat transfer past a shrinking sheet with suction

Keywords： MHD boundary layer     unsteady flow     heat transfer     thermal radiation     heat source/sink     shrinking sheet     suction    

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Available energy analysis of new tandem double-capillary tube refrigeration system for refrigerator-freezers

HE Maogang, ZHANG Ying, SONG Xinzhou, ZHANG Jiantao

Frontiers in Energy 2008, Volume 2, Issue 1,   Pages 36-42 doi: 10.1007/s11708-008-0013-6

Abstract: A new tandem double-capillary tube refrigeration system for refrigerator-freezers is proposed.A capillary tube was added between the two evaporators in the fresh and frozen food storage chests tois 21.20% and 20.57%, respectively when the refrigerant is R12 and R134a, while that of the double-capillary
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On the MHD squeeze flow between two parallel disks with suction or injection via HAM and HPM

D. D. GANJI,M. ABBASI,J. RAHIMI,M. GHOLAMI,I. RAHIMIPETROUDI

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 3,   Pages 270-280 doi: 10.1007/s11465-014-0303-0

Abstract: of the present work is to investigate the effect of squeeze Reynolds number, Hartmann number and the suction

Keywords： Homotopy Analysis Method     Homotopy Perturbation Method     incompressible flow     magneto-hydrodynamic flow     parallel disks    

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Studying the stress-suction coupling in soils using an oedometer equipped with a high capacity tensiometer

Trung Tinh LE, Yu-Jun CUI, Juan Jorge MU?OZ, Pierre DELAGE, Anh Minh TANG, Xiang-Ling LI

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 2,   Pages 160-170 doi: 10.1007/s11709-011-0106-x

Abstract: During oedometer compression, the changes in suction with increased vertical stress are monitored byA comparison is also made with a completely different soil sample under suction, i.e. a statically compactedThe experiment allows the determination of the point at which suction is changed to positive pressureBelow this point, the ratio between the vertical stress and the change in suction are determined.The suction/stress behavior during unloading is also described and discussed.

Keywords： Oedometer     tensiometer     swelling     physicochemical and mechanical effects     stress/suction coupling     soil plasticity    

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Stability analysis of layered slopes in unsaturated soils

Guangyu DAI; Fei ZHANG; Yuke WANG

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 3,   Pages 378-387 doi: 10.1007/s11709-022-0808-2

Abstract: unsaturated conditions and uses a limit equilibrium method to determine the factor of safety involving suctionParametric analyses are conducted to explore the influences of the matric suction on the stability ofThe obtained results show that larger suction stress provided in unsaturated clay dominates the stability

Keywords： slope stability     suction stress     unsaturated soil     layered slope     limit equilibrium    

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Behavior of materials for earth and rockfill dams: Perspective from unsaturated soil mechanics

Eduardo E. ALONSO, Rafaela CARDOSO,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 1,   Pages 1-39 doi: 10.1007/s11709-010-0013-6

Abstract: The basis of the design of earth and rockfill dams is focused on ensuring the stability of the structure under a set of conditions expected to occur during its life. Combined mechanical and hydraulic conditions must be considered since pore pressures develop during construction, after impoundment and in drawdown. Other instability phenomena caused by transient flow and internal erosion must be considered. The prediction of the hydro-mechanical behavior of traditional and non-traditional materials used in the construction of dams is therefore fundamental. The materials used for dam’s construction cover a wide range from clayey materials to rockfill. In a broad sense they are compacted materials and therefore unsaturated materials. A summary of the current level of knowledge on the behavior of traditional materials used in the construction of dams is presented in the paper. Regular compacted materials (with a significant clay fraction), rockfill and compacted soft rocks are studied with more detail. The latter are non-traditional materials. They are analysed because their use, as well as the use of mixtures of soil and rock, is becoming more necessary for sustainability reasons.

Keywords： dams     unsaturated soil mechanics     suction     rockfill     clayey soil     mixture    

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Relative writing age analysis of the black roller pen inksby capillary zone electrophoresis

Wang Yanji,Zhao Pengcheng,Xu Yuanyuan, Wan Jinghan

Strategic Study of CAE 2007, Volume 9, Issue 2,   Pages 25-29

Abstract:

 The analytical method for roller pen inks was established by capillaryelectrophoresis.After optimizing such conditions as20mmol桙L borate buffer at pH 8.5, 100μm×40cm fused silica capillary

Keywords： black roller pen inks     zone capillary electrophoresis     writin    

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A new method of studying collapsibility of loess

Yuanqing ZHU , Zhenghan CHEN ,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 3,   Pages 305-311 doi: 10.1007/s11709-009-0040-3

Abstract: A new triaxial testing system that could control suction in wetting-induced collapsible tests was successfullydeveloped to study the suction effects on wetting-induced collapsible deformation.The pedestal of the triaxial cell was made up of two parts, and the equipment not only could control suctionsuctions and the same net cell pressure, and tests under different net cell pressures and the same suctionIt was indicated that the collapsible deformation increased with the increasing suction, and the effect

Keywords： triaxial apparatus for collapsible soils     controlled suction     pressure/volume controlled equipment     double    

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Investigation of the hydro-mechanical behaviour of compacted expansive clay

Yujun CUI, An Ninh TA, Anh Minh TANG, Yingfa LU,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 2,   Pages 154-164 doi: 10.1007/s11709-010-0019-0

Abstract: The mechanical behaviour was investigated by tests in oedometer with controlled suction using the vaporequilibrium technique (suction = 0, 9, 39, and 110 MPa).: the lower the suction, the higher the compressibility.In the infiltration test, water was kept on the soil surface and changes in suction and volumetric waterThe data from the simultaneous monitoring of suction and water content were used to determine the water

Keywords： Romainville clay     suction control     oedometer test     large infiltration task     hydro-mechanical behaviour    

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Effect of natural pozzolan content on the properties of engineered cementitious composites as repair material

Said CHOUCHA, Amar BENYAHIA, Mohamed GHRICI, Mohamed Said MANSOUR

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 3,   Pages 261-269 doi: 10.1007/s11709-017-0394-x

Abstract: concrete including mechanicals properties such as, compressive and flexural strengths, elastic modulus, capillaryaddition, the incorporation of high-volume natural pozzolan decreases significantly the coefficient of capillary

Keywords： natural pozzolan     engineered cementitious composites     mechanical strengths     elastic modulus     capillary absorption    

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Title Author Date Type Operation

Enhanced dewatering characteristics of waste activated sludge with Fenton pretreatment: effectiveness and statistical optimization

Guangyin ZHEN, Xueqin LU, Baoying WANG, Youcai ZHAO, Xiaoli CHAI, Dongjie NIU, Tiantao ZHAO

Journal Article

Simulation on refrigerant flow in adiabatic capillary tube

WANG Meixia, LIU Cunfang, ZHOU Qiangtai

Journal Article

Prediction of hydro-suction dredging depth using data-driven methods

Journal Article

A concept of capillary active, dynamic insulation integrated with heating, cooling and ventilation, air

Mark BOMBERG

Journal Article

Magnetohydrodynamic slip flow and diffusion of a reactive solute past a permeable flat plate with suction

Krishnendu BHATTACHARYYA, G. C. LAYEK

Journal Article

heat source/sink on unsteady MHD boundary layer flow and heat transfer over a shrinking sheet with suction

Krishnendu Bhattacharyya

Journal Article

Available energy analysis of new tandem double-capillary tube refrigeration system for refrigerator-freezers

HE Maogang, ZHANG Ying, SONG Xinzhou, ZHANG Jiantao

Journal Article

On the MHD squeeze flow between two parallel disks with suction or injection via HAM and HPM

D. D. GANJI,M. ABBASI,J. RAHIMI,M. GHOLAMI,I. RAHIMIPETROUDI

Journal Article

Studying the stress-suction coupling in soils using an oedometer equipped with a high capacity tensiometer

Trung Tinh LE, Yu-Jun CUI, Juan Jorge MU?OZ, Pierre DELAGE, Anh Minh TANG, Xiang-Ling LI

Journal Article

Stability analysis of layered slopes in unsaturated soils

Guangyu DAI; Fei ZHANG; Yuke WANG

Journal Article

Behavior of materials for earth and rockfill dams: Perspective from unsaturated soil mechanics

Eduardo E. ALONSO, Rafaela CARDOSO,

Journal Article

Relative writing age analysis of the black roller pen inksby capillary zone electrophoresis

Wang Yanji,Zhao Pengcheng,Xu Yuanyuan, Wan Jinghan

Journal Article

A new method of studying collapsibility of loess

Yuanqing ZHU , Zhenghan CHEN ,

Journal Article

Investigation of the hydro-mechanical behaviour of compacted expansive clay

Yujun CUI, An Ninh TA, Anh Minh TANG, Yingfa LU,

Journal Article

Effect of natural pozzolan content on the properties of engineered cementitious composites as repair material

Said CHOUCHA, Amar BENYAHIA, Mohamed GHRICI, Mohamed Said MANSOUR

Journal Article