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Comparison between linear and non-linear forms of pseudo-first-order and pseudo-second-order adsorption

Junxiong LIN , Lan WANG ,

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 3,   Pages 320-324 doi: 10.1007/s11783-009-0030-7

Abstract: The best-fit equations of linear and non-linear forms of the two widely used kinetic models, namely pseudo-first-orderand pseudo-second-order equations, were compared in this study.The results show that the non-linear forms of pseudo-first-order and pseudo-second-order models were

Keywords： adsorption     pseudo-first order     pseudo-second order     kinetic model     linear method     non-linear method    

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Biodegradation of 2-methylisoborneol by bacteria enriched from biological activated carbon

Rongfang YUAN, Beihai ZHOU, Chunhong SHI, Liying YU, Chunlei ZHANG, Junnong GU

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 5,   Pages 701-710 doi: 10.1007/s11783-011-0367-6

Abstract: The kinetic model showed that biodegradation of 2-MIB at an initial dose of 4.2 mg·L was a pseudo-first-orderreaction, with rate constants of 0.287, 0.277, 0.281, and 0.294 d , respectively.

Keywords： 2-methylisoborneol (2-MIB)     biodegradation     2-methylenebornane     2-methyl-2-bornane     pseudo-first-order reaction    

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Effect of metal ion-doping on characteristics and photocatalytic activity of TiO

Rongfang YUAN,Beihai ZHOU,Duo HUA,Chunhong SHI

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 5,   Pages 850-860 doi: 10.1007/s11783-014-0737-y

Abstract: .% Fe -doped TiO nanotubes calcined at 550°C, the removal efficiency of HA was 80% with a pseudo-first-order

Keywords： TiO2 nanotubes     ion-doping     humic acids     pseudo-first-order     mechanism    

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Modified landfill gas generation rate model of first-order kinetics and two-stage reaction

Jiajun CHEN , Hao WANG , Na ZHANG ,

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 3,   Pages 313-319 doi: 10.1007/s11783-009-0025-4

Abstract: The first-order kinetics and two-stage reaction (FKTSR) model of the LFG generation rate includes mechanismsof the nutrient balance for biochemical reaction in two main stages.modified by the introduction of the outflow function and the organic acid conversion coefficient in orderThe main parameters of the modified FKTSR model, including the LFG production potential (), the reactionrate constant in the first stage (), and the reaction rate constant in the second stage () of 64.746&

Keywords： landfill gas (LFG)     generation rate model     first-order kinetics     two-stage reaction     outflow function    

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Electrocoagulation process for the treatment of metal-plating wastewater: Kinetic modeling and energy consumption

Fatih Ilhan, Kubra Ulucan-Altuntas, Yasar Avsar, Ugur Kurt, Arslan Saral

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 5, doi: 10.1007/s11783-019-1152-1

Abstract: Cu, Ni, Cr and Zn were highly removed at the first minutes, simultaneously.Pseudo-2nd-order was found to be more suitable for kinetics.It was observed that a high proportion of removal was obtained during the first minutes of the electrocoagulation

Keywords： Electrochemical treatment     Heavy metals     Kinetic modeling     Pseudo first order kinetic     Pseudo second order    

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Simultaneous removal of trihalomethanes by bimetallic Ag/Zn: kinetics study

Ahmed H A DABWAN, Satoshi KANECO, Hideyuki KATSUMATA, Kiyoyuki EGUSA, Tohru SUZUKI, Kiyohisa OHTA,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 3,   Pages 322-327 doi: 10.1007/s11705-009-0261-y

Abstract: The kinetics reaction rates and removal efficiencies of the THM compound mixtures, in the aqueous solutionsThe primary degradation reaction followed a pseudo-first-order kinetic law.The first-order rate constants and the degradation efficiencies followed the decreasing order of CHBr

Keywords： reaction     first-order     dissociation     degradation reaction     aqueous    

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Flow behavior of liquid-solid coupled system of piezoelectric micropump

LU Lijun, WU Jiankang

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 1,   Pages 50-54 doi: 10.1007/s11465-008-0003-8

Abstract: Through the mode analysis of the liquid-solid coupled system, the first-order natural frequency, diaphragm

Keywords： amplitude-frequency relationship     first-order     micropump     diaphragm vibration     electric    

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Shallow foundation response variability due to soil and model parameter uncertainty

Prishati RAYCHOWDHURY,Sumit JINDAL

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 3,   Pages 237-251 doi: 10.1007/s11709-014-0242-1

Abstract: sensitivity of both soil and model input parameters on shallow foundation responses are investigated using first-order

Keywords： shallow foun dation     sensitivity analysis     centrifuge data     first-order-second-moment (FOSM) method     parameter    

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Effect of pressure on gasification reactivity of three Chinese coals with different ranks

Chunyu LI, Jiantao ZHAO, Yitian FANG, Yang WANG

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4,   Pages 385-393 doi: 10.1007/s11705-010-0501-1

Abstract: The gasification reaction is controlled by pore diffusion, the rate decreases with increasing total systemThe values of reaction order with steam were 0.49, 0.46, 0.43, respectively.Meanwhile, the values of reaction order with CO were 0.31, 0.28, 0.26, respectively.With the coal rank increasing, the pressure order is higher, the activation energies increase slightly

Keywords： coal     gasification     pressure     reaction order     shrinking core model    

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Study on Mechanical Behavior of a Prestressed ConcreteCable-stayed Bridge in Construction State

Zhang Jianmin,Xiao Rucheng

Strategic Study of CAE 2007, Volume 9, Issue 5,   Pages 36-41

Abstract:

Because of the increasing span of concrete cable-stayed bridge,  the construction simulation recently becomes more focusing on both the design and construction.  This paper introduces the optimization theory and method into the calculation of cantilever construction of girders. The example bridge is a long-span prestressed concrete cable-stayed bridge with a 370 m central span length under construction in China. Using spatial nonlinear FEM,  the actual cantilever construction process of concrete box-shaped girders is simulated,  the tensioning force of cables as well as the prearranged height of girders in construction state is obtained. At the same time, the influence of structural geometric nonlinear characteristics and physics nonlinear characteristics in the cable force optimum are investigated,  the measures to reduce the influence are put forward.

Keywords： cable-stayed bridge     first order optimization method     the rational construction state     nonlinearcharacteristic    

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Free vibration analysis of laminated FG-CNT reinforced composite beams using finite element method

T. VO-DUY, V. HO-HUU, T. NGUYEN-THOI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 2,   Pages 324-336 doi: 10.1007/s11709-018-0466-6

Abstract: The first-order shear deformation theory is used to formulate a governing equation for predicting free

Keywords： free vibration analysis     laminated FG-CNTRC beam     finite element method     first-order shear deformation theory    

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New pseudo-dynamic analysis of two-layered cohesive-friction soil slope and its numerical validation

Suman HAZARI, Sima GHOSH, Richi Prasad SHARMA

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 6,   Pages 1492-1508 doi: 10.1007/s11709-020-0679-3

Abstract: In this study, the limit equilibrium modified pseudo-dynamic method is used to analyze the stability

Keywords： layered soil     limit equilibrium method     seismic analysis     damping     PLAXIS    

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Two Ways Pseudo Range Time Synchronization for Navigation Satellite Clock

Tan Shusen

Strategic Study of CAE 2006, Volume 8, Issue 12,   Pages 70-74

Abstract:

Aiming at the demand of time synchronization, the navigation satellite two-way clock pseudo rangeIn the first section of the paper the meaning and status of time synchronization of navigation satelliteIn the second section two way pseudo range time synchronization theory was introduced, that is to getIn the third sections pseudo range time synchronization ways introduced.pseudo range(TWLPr) ,two way satellite-relay pseudo range (TWSrPr), and two way earth-relay pseudo range

Keywords： navigation satellite     pseudo range     time synchronization    

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High-order phase-field model with the local and second-order max-entropy approximants

Fatemeh AMIRI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 2,   Pages 406-416 doi: 10.1007/s11709-018-0475-5

Abstract: surface energy functional based on phase-field method with smooth local maximum entropy (LME) and second-orderThe higher-order continuity of the meshfree methods such as LME and SME approximants allows to directlysolve the fourth-order phase-field equations without splitting the fourth-order differential equationinto two second-order differential equations.We will first show that the crack surface functional can be captured more accurately in the fourth-order

Keywords： second-order maximum entropy     local maximum entropy     second- and fourth-order phase-field models     B-spline    

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An assemble-to-order production planning with the integration of order scheduling and mixed-model sequencing

Baoxi WANG, Zailin GUAN, Yarong CHEN, Xinyu SHAO, Ming JIN, Chaoyong ZHANG

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 2,   Pages 137-145 doi: 10.1007/s11465-013-0251-0

Abstract:

For assemble-to-order enterprises, both order scheduling and mixed-model sequencing need to be takeninto consideration in the formulation of order-oriented assembly plan.First, determining production priority for the received orders, and then conducting assembly sequenceto the mixed-model products in each order.Order scheduling is aimed to ensure order delivery with the optimization goal of minimal total overdue

Keywords： mixed-model assembly line     assemble-to-order     order scheduling     sequencing    

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Title Author Date Type Operation

Comparison between linear and non-linear forms of pseudo-first-order and pseudo-second-order adsorption

Junxiong LIN , Lan WANG ,

Journal Article

Biodegradation of 2-methylisoborneol by bacteria enriched from biological activated carbon

Rongfang YUAN, Beihai ZHOU, Chunhong SHI, Liying YU, Chunlei ZHANG, Junnong GU

Journal Article

Effect of metal ion-doping on characteristics and photocatalytic activity of TiO

Rongfang YUAN,Beihai ZHOU,Duo HUA,Chunhong SHI

Journal Article

Modified landfill gas generation rate model of first-order kinetics and two-stage reaction

Jiajun CHEN , Hao WANG , Na ZHANG ,

Journal Article

Electrocoagulation process for the treatment of metal-plating wastewater: Kinetic modeling and energy consumption

Fatih Ilhan, Kubra Ulucan-Altuntas, Yasar Avsar, Ugur Kurt, Arslan Saral

Journal Article

Simultaneous removal of trihalomethanes by bimetallic Ag/Zn: kinetics study

Ahmed H A DABWAN, Satoshi KANECO, Hideyuki KATSUMATA, Kiyoyuki EGUSA, Tohru SUZUKI, Kiyohisa OHTA,

Journal Article

Flow behavior of liquid-solid coupled system of piezoelectric micropump

LU Lijun, WU Jiankang

Journal Article

Shallow foundation response variability due to soil and model parameter uncertainty

Prishati RAYCHOWDHURY,Sumit JINDAL

Journal Article

Effect of pressure on gasification reactivity of three Chinese coals with different ranks

Chunyu LI, Jiantao ZHAO, Yitian FANG, Yang WANG

Journal Article

Study on Mechanical Behavior of a Prestressed ConcreteCable-stayed Bridge in Construction State

Zhang Jianmin,Xiao Rucheng

Journal Article

Free vibration analysis of laminated FG-CNT reinforced composite beams using finite element method

T. VO-DUY, V. HO-HUU, T. NGUYEN-THOI

Journal Article

New pseudo-dynamic analysis of two-layered cohesive-friction soil slope and its numerical validation

Suman HAZARI, Sima GHOSH, Richi Prasad SHARMA

Journal Article

Two Ways Pseudo Range Time Synchronization for Navigation Satellite Clock

Tan Shusen

Journal Article

High-order phase-field model with the local and second-order max-entropy approximants

Fatemeh AMIRI

Journal Article

An assemble-to-order production planning with the integration of order scheduling and mixed-model sequencing

Baoxi WANG, Zailin GUAN, Yarong CHEN, Xinyu SHAO, Ming JIN, Chaoyong ZHANG

Journal Article