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uncoupler, 3,3′,4′,5-tetrachlorosalicylanilide addition for sludge reduction and fouling control in a gravity-drivenmembrane bioreactor

An Ding, Yingxue Zhao, Huu Hao Ngo, Langming Bai, Guibai Li, Heng Liang, Nanqi Ren, Jun Nan

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 6, doi: 10.1007/s11783-020-1275-4

Abstract: The gravity-driven membrane bioreactor (MBR)system is promising for decentralized sewage treatment becauseHowever, the growing sludge not only increases membrane fouling, but also augments operational complexitiesthe supernatant, with a thin but more compact fouling layer with low bioactivity developing on the membranebio-fouling layers at different dosages, with practical relevance for in situ sludge reduction and membrane

Keywords： Gravity-driven membrane (GDM)     Energy uncoupling     Permeability     Sludge reduction     Membrane fouling     Fouling    

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Dynamic analysis of free-surface thin film flows driven by gravity over undulated substrate

Zhaomiao LIU, Xin LIU, Guobin WANG, Hong LIAO,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 2,   Pages 219-225 doi: 10.1007/s11465-010-0010-4

Abstract: This paper studies thin film flows with free surfaces driven by gravity through two types of undulated

Keywords： waviness     triangle height     film thickness     streamlines separation     vortex    

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Unraveling Membrane Fouling Induced by Chlorinated Water Versus Surface Water: Biofouling Properties Article

Li Zhang, Lei Xu, Nigel Graham, Wenzheng Yu,

Engineering 2022, Volume 15, Issue 8,   Pages 154-164 doi: 10.1016/j.eng.2021.03.016

Abstract: study, tap water was investigated with respect to its impacts on biofilm formation and biofouling in a gravity-drivenmembrane (GDM) filtration system.It was found that more severe membrane fouling occurred with the filtration of tap water than lake waterAdditionally, membrane hydrophobicity/hydrophilicity played a minor role in affecting the membrane foulingfouling, which can potentially aid the search for effective ways of controlling membrane fouling.

Keywords： Membrane fouling     Biofilm     GDM filtration technology     Ultrafiltration     Chlorine-resistant bacteria     Hydrophilicity    

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Sea salt bittern-driven forward osmosis for nutrient recovery from black water: A dual waste-to-resourceinnovation via the osmotic membrane process

Wenchao Xue, May Zaw, Xiaochan An, Yunxia Hu, Allan Sriratana Tabucanon

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 2, doi: 10.1007/s11783-019-1211-7

Abstract: innovation in nutrient enrichment and recovery from domestic black water using a sea salt bittern (SSB)-drivenA synthetic SSB-driven FO provided a water flux of 25.67±3.36 L/m2⋅h, which was 1.5‒1.7 times comparedpotential for nutrient recovery based on this dual “waste-to-resource” FO system with proper management of membrane

Keywords： Forward osmosis     Sea salt bittern     Black water     Nutrient recovery     pH    

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Computational fluid dynamics applied to membrane processes for water treatment

Zhang Yaqin,Zhang Lin ,Hou Li’ an

Strategic Study of CAE 2014, Volume 16, Issue 7,   Pages 47-52

Abstract: ="text-align: justify;">In this paper, the basic principle of computational fluid dynamics (CFD) in membraneseparation process were introduced, and the application of CFD mechanism of membrane pollution, membranemodule design in pressure-driven membrane processes, as well as other membrane process, such as pervaporation, membrane distillation were presented.The prospect of application of CFD in membrane process was discussed.

Keywords： CFD     membrane separation     pressure-driven     pervaporation     membrane distillation    

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High-gravity intensified iron-carbon micro-electrolysis for degradation of dinitrotoluene

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1595-1605 doi: 10.1007/s11705-022-2204-9

Abstract: In order to address this problem, high-gravity intensified Fe–C micro-electrolysis was proposed in thisThe effects of reaction time, high-gravity factor, liquid flow rate and initial solution pH were investigatedIn conclusion, high-gravity intensified Fe–C micro-electrolysis can weaken the passivation of Fe–C particles

Keywords： high-gravity technology     rotating packed bed     Fe–C micro-electrolysis     dinitrotoluene wastewater     active    

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Application of Satellite Gravity Gradiometry Data to the Refinement of the Earth’s Gravity Field

Ning Jinsheng,Luo Zhicai,Chen Yongqi

Strategic Study of CAE 2002, Volume 4, Issue 7,   Pages 23-28

Abstract: is to determine the geoid with centimeter level and to develop the ultra high global earth’s gravityfield model，and for this purpose satellite gravity gradiometry is one of the most promising techniquesThis paper first comments on the main progress of satellite gravity gradiometry, and then discusses sometheories and methods for refining the earth´s gravity field using satellite gravity gradiometry

Keywords： satellite gravity gradiometry     satellite gravity gradiometry boundary value problem     earth's gravity field    

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Stability analysis on Tingzikou gravity dam along deep-seated weak planes during earthquake

Weiping HE, Yunlong HE

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 1,   Pages 69-75 doi: 10.1007/s11709-012-0146-x

Abstract: The stability of a gravity dam against sliding along deep-seated weak planes is a universal and important

Keywords： gravity dam     deep-seated weak planes     stability against sliding     earthquake    

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A comprehensive simulation approach for pollutant bio-transformation in the gravity sewer

Nan Zhao, Huu Hao Ngo, Yuyou Li, Xiaochang Wang, Lei Yang, Pengkang Jin, Guangxi Sun

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 4, doi: 10.1007/s11783-019-1144-1

Abstract:

A comprehensive pollutant transformation model for sewer systems is established.

The model comprises fermentation, sulfate reduction and ammonification processes.

Biochemical reactions related to distinct carbon sources are depicted in the model.

Pollutant transformation is attributed to different biochemical reaction processes.

Keywords： Gravity sewer     Modeling     Pollutant transformation     Biochemical reaction process    

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Evaluation of seismic reliability of gravity dam-reservoir-inhomogeneous foundation coupled system

Hamid Taghavi GANJI, Mohammad ALEMBAGHERI, Mohammad Houshmand KHANEGHAHI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 3,   Pages 701-715 doi: 10.1007/s11709-018-0507-1

Abstract: The seismic performance of gravity dam-reservoir-foundation coupled system is investigated utilizingThe methodology is applied to Pine Flat gravity dam and the foundation is considered to be inhomogeneous

Keywords： gravity dams     dam-reservoir-foundation interaction     seismic reliability     inhomogeneous foundation     earthquake    

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State-of-the-art on theories and applications of cable-driven parallel robots

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 3, doi: 10.1007/s11465-022-0693-3

Abstract: Cable-driven parallel robot (CDPR) is a type of high-performance robot that integrates cable-driven kinematic

Keywords： cable-driven parallel robot     kinematics     optimization     dynamics     control    

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mechanism of nitrobenzene degradation by hydroxyl radicals-based ozonation process enhanced by high gravity

Weizhou Jiao, Shengjuan Shao, Peizhen Yang, Kechang Gao, Youzhi Liu

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 5,   Pages 1197-1205 doi: 10.1007/s11705-020-1998-6

Abstract: The high gravity technology can accelerate ozone mass transfer and self-decomposition of ozone to produce

Keywords： high gravity technology     hydroxyl radicals     nitrobenzene     reaction kinetics    

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Hazard potential of zones of weakness in gravity dams under impact loading conditions

Herbert LINSBAUER

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 1,   Pages 90-97 doi: 10.1007/s11709-010-0008-3

Abstract: Dam constructions worldwide are designed and constructed in view of the strictest safety aspects for all static and dynamic load cases. As experience shows, however, formation of cracks in the “homogeneos concrete” as well as unsatisfactory compound behavior of lift joints are not to be excluded. These zones of weakness especially on the upstream side of the dam— exposed to high water pressure (static and dynamic)— represent an increased risk of safety. The main investigation, apart from the computation of the dynamic effects on the dam as a global structure, focuses on the stability analysis of a pressure-water filled crack configuration subjected to “dynamic loading” in the form of seismic action on the dam-reservoir-system and alternatively by “impact spot-loading” within sectors of the reservoir. A fracture mechanics based analysis shows an excessive potential of damage for the afflicted structure.

Keywords： dam-reservoir     earthquake     impact     cracking     fracture mechanics    

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Earthquake analysis of arch and gravity dams including the effects of foundation inhomogeneity

LIN Gao, DU Jianguo, HU Zhiqiang

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 1,   Pages 41-50 doi: 10.1007/s11709-007-0004-4

Abstract: Dam-foundation interaction plays an important role in the design of earthquake-resistant concrete arch and gravityIn this paper, the effect of foundation inhomogeneity on the seismic response of arch and gravity damsdiscontinuity and with weak interlayer strata on the earthquake response of concrete arch dams as well as gravityaccount the effect of foundation inhomogeneity for the earthquake safety assessment of concrete arch and gravity

Keywords： selection     interlayer     damfoundation interaction     Geological     computational    

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Function-oriented optimization design method for underactuated tendon-driven humanoid prosthetic hand

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 3, doi: 10.1007/s11465-022-0696-0

Abstract: study, a function-oriented optimization design (FOD) method is proposed for the design of a tendon-driven

Keywords： function-oriented     tendon driven     prosthetic hand     optimization     humanoid     underactuated    

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Title Author Date Type Operation

uncoupler, 3,3′,4′,5-tetrachlorosalicylanilide addition for sludge reduction and fouling control in a gravity-drivenmembrane bioreactor

An Ding, Yingxue Zhao, Huu Hao Ngo, Langming Bai, Guibai Li, Heng Liang, Nanqi Ren, Jun Nan

Journal Article

Dynamic analysis of free-surface thin film flows driven by gravity over undulated substrate

Zhaomiao LIU, Xin LIU, Guobin WANG, Hong LIAO,

Journal Article

Unraveling Membrane Fouling Induced by Chlorinated Water Versus Surface Water: Biofouling Properties

Li Zhang, Lei Xu, Nigel Graham, Wenzheng Yu,

Journal Article

Sea salt bittern-driven forward osmosis for nutrient recovery from black water: A dual waste-to-resourceinnovation via the osmotic membrane process

Wenchao Xue, May Zaw, Xiaochan An, Yunxia Hu, Allan Sriratana Tabucanon

Journal Article

Computational fluid dynamics applied to membrane processes for water treatment

Zhang Yaqin,Zhang Lin ,Hou Li’ an

Journal Article

High-gravity intensified iron-carbon micro-electrolysis for degradation of dinitrotoluene

Journal Article

Application of Satellite Gravity Gradiometry Data to the Refinement of the Earth’s Gravity Field

Ning Jinsheng,Luo Zhicai,Chen Yongqi

Journal Article

Stability analysis on Tingzikou gravity dam along deep-seated weak planes during earthquake

Weiping HE, Yunlong HE

Journal Article

A comprehensive simulation approach for pollutant bio-transformation in the gravity sewer

Nan Zhao, Huu Hao Ngo, Yuyou Li, Xiaochang Wang, Lei Yang, Pengkang Jin, Guangxi Sun

Journal Article

Evaluation of seismic reliability of gravity dam-reservoir-inhomogeneous foundation coupled system

Hamid Taghavi GANJI, Mohammad ALEMBAGHERI, Mohammad Houshmand KHANEGHAHI

Journal Article

State-of-the-art on theories and applications of cable-driven parallel robots

Journal Article

mechanism of nitrobenzene degradation by hydroxyl radicals-based ozonation process enhanced by high gravity

Weizhou Jiao, Shengjuan Shao, Peizhen Yang, Kechang Gao, Youzhi Liu

Journal Article

Hazard potential of zones of weakness in gravity dams under impact loading conditions

Herbert LINSBAUER

Journal Article

Earthquake analysis of arch and gravity dams including the effects of foundation inhomogeneity

LIN Gao, DU Jianguo, HU Zhiqiang

Journal Article

Function-oriented optimization design method for underactuated tendon-driven humanoid prosthetic hand

Journal Article