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Impingement of hollow cone spray on hot porous medium

ZHAO Zhiguo, XIE Maozhao

Frontiers in Energy 2008, Volume 2, Issue 3,   Pages 273-278 doi: 10.1007/s11708-008-0048-8

Abstract: the interaction between hollow cone spray and hot porous medium was studied numerically by using an improvedversion of KIVA-3V code.The improved KIVA-3V code is incorporated with an impingement model, heat transfer model and linearized

Keywords： improved version     simple     impingement     atomization     hollow    

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Numerical investigation of the effects of fuel spray type on the interaction of fuel spray and hot porous medium

ZHAO Zhiguo, XIE Maozhao

Frontiers in Energy 2008, Volume 2, Issue 1,   Pages 59-65 doi: 10.1007/s11708-008-0022-5

Abstract: interaction between two types of fuel spray and a hot porous medium is studied numerically by using an improvedversion of KIVA-3V code.The improved KIVA-3V code is incorporated with an impingement model, a heat transfer model and a linearized

Keywords： improved version     impingement     atomization     hollow     radius    

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Solving unit commitment problem using a novel version of harmony search algorithm

Roozbeh MORSALI,Tohid JAFARI,Amirhossein GHODS,Mohammad KARIMI

Frontiers in Energy 2014, Volume 8, Issue 3,   Pages 297-304 doi: 10.1007/s11708-014-0309-7

Abstract: In the proposed improved self-adaptive HS (SGHS) algorithm, two important control parameters were adjusted

Keywords： generation scheduling     harmony search (HS) algorithm     intelligent technique     unit commitment    

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forward in laparoscopic hepatectomy: comments on “Expert Consensus on Laparoscopic Hepatectomy (2013 Version

Eric C.H. Lai

Frontiers of Medicine 2013, Volume 7, Issue 4,   Pages 520-522 doi: 10.1007/s11684-013-0302-2

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LARGE-SCALE FARMING BENEFITS SOIL ACIDIFICATION ALLEVIATION THROUGH IMPROVED FIELD MANAGEMENT IN BANANA

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 1,   Pages 48-60 doi: 10.15302/J-FASE-2022475

Abstract:

● Large farms had the highest average yield and the least yield variation.

Keywords： plantations     land transfer     large-scale farming     nutrient management     soil acidification    

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Cluster voltage control method for “Whole County” distributed photovoltaics based on improved differential

Frontiers in Energy   Pages 782-795 doi: 10.1007/s11708-023-0905-8

Abstract: control strategy of “reactive power compensation first, active power curtailment later,” it employs an improved

Keywords： distributed photovoltaics (DPVs)     cluster partitioning     improved differential evolution algorithm     voltage    

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Manufacturing system modeling and performance evaluation based on improved stochastic statechart

ZHANG Guojun, HE Jiabing, ZHU Haiping, CHEN Xuan

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 4,   Pages 453-458 doi: 10.1007/s11465-007-0078-7

Abstract: comparability between different subsystems can streamline the modeling process, a stochastic statechart is improvedcontinuous-time Markov chain, which is transformed from a manufacturing system model described by the improvedThe case study shows that the improved stochastic statechart can effectively simplify the modeling and

Keywords： performance evaluation     different     configuration     improved     continuous-time    

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Time of flight improved thermally grown oxide thickness measurement with terahertz spectroscopy

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0705-3

Abstract: To detect and monitor TGO in the emergence stage, a time of flight (TOF) improved TGO thickness measurement

Keywords： thermal barrier coatings     thermally grown oxide     terahertz spectroscopy     time of flight    

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A method for predicting consolidation settlements of floating column improved clayey subsoil

Jinchun CHAI, Supasit PONGSIVASATHIT,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 2,   Pages 241-251 doi: 10.1007/s11709-010-0024-3

Abstract: A method of predicting the consolidation settlement-time curve of floating soil-cement column on improvedhydraulic conductivity () and the coefficient of volume compressibility () of the part of the column improvedThe consolidation settlement (()) can be calculated by the method of treating a part of the column improved

Keywords： cement depth mixing     ground improvement     consolidation     settlement    

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Dynamic characteristics and improved MPPT control of PV generator

Houda BRAHMI, Rachid DHIFAOUI

Frontiers in Energy 2013, Volume 7, Issue 3,   Pages 342-350 doi: 10.1007/s11708-013-0242-1

Abstract: This paper presents a mathematical model of photovoltaic (PV) module and gives a strategy to calculate online the maximum power point (MPP). The variation of series and shunt resistor are taken into account in the model and are dynamically identified using the Newton-Raphson algorithm. The effectiveness of the proposed model is verified by laboratory experiments obtained by implementing the model on the dSPACE DS1104 board.

Keywords： modeling of photovoltaic (PV) generator     maximum power point tracking (MPPT)     estimation parameters     real time controller    

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subject to fuzzy operation time constraints: declarative modeling approach A preliminary version

Izabela NIELSEN,Robert WÓJCIK,Grzegorz BOCEWICZ,Zbigniew BANASZAK

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 4,   Pages 338-347 doi: 10.1631/FITEE.1500359

Abstract: We present an extension of the resource-constrained multi-product scheduling problem for an automated guided vehicle (AGV) served flow shop, where multiple material handling transport modes provide movement of work pieces between machining centers in the multimodal transportation network (MTN). The multimodal processes behind the multi-product production flow executed in an MTN can be seen as processes realized by using various local periodically functioning processes. The considered network of repetitively acting local transportation modes encompassing MTN’s structure provides a framework for multimodal processes scheduling treated in terms of optimization of the AGVs fleet scheduling problem subject to fuzzy operation time constraints. In the considered case, both production takt and operation execution time are described by imprecise data. The aim of the paper is to present a constraint propagation (CP) driven approach to multi-robot task allocation providing a prompt service to a set of routine queries stated in both direct and reverse way. Illustrative examples taking into account an uncertain specification of robots and workers operation time are provided.

Keywords： Automated guided vehicles (AGVs)     Scheduling     Multimodal process     Fuzzy constraints     Optimization    

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operation of energy at hydrothermal power plants by simultaneous minimization of pollution and costs using improved

Homayoun EBRAHIMIAN,Bahman TAHERI,Nasser YOUSEFI

Frontiers in Energy 2015, Volume 9, Issue 4,   Pages 426-432 doi: 10.1007/s11708-015-0376-4

Abstract: paper is simultaneous minimization of hydrothermal units to reach the best solution by employing an improvedcompared with those of the other methods including the genetic algorithm (GA), the Basu technique, and the improvedFast convergence is one of this improved algorithm features.

Keywords： practical constraints of units     pollution function     inlet steam valve     up-ramp rate of units     improved ABC    

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Innovative hybrid reinforcement constituting conventional longitudinal steel and FRP stirrups for improved

Mostafa FAKHARIFAR,Ahmad DALVAND,Mohammad K. SHARBATDAR,Genda CHEN,Lesley SNEED

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 1,   Pages 44-62 doi: 10.1007/s11709-015-0295-9

Abstract: The use of fiber reinforced polymer (FRP) reinforcement is becoming increasingly attractive in construction of new structures. However, the inherent linear elastic behavior of FRP materials up to rupture is considered as a major drawback under seismic attacks when significant material inelasticity is required to dissipate the input energy through hysteretic cycles. Besides, cost considerations, including FRP material and construction of pre-fabricated FRP configurations, especially for stirrups, and probable damage to epoxy coated fibers when transported to the field are noticeable issues. The current research has proposed a novel economical hybrid reinforcement scheme for the next generation of infrastructures implementing on-site fabricated FRP stirrups comprised of FRP sheets. The hybrid reinforcement consists of conventional longitudinal steel reinforcement and FRP stirrups. The key feature of the proposed hybrid reinforcement is the enhanced strength and ductility owing to the considerable confining pressure provided by the FRP stirrups to the longitudinal steel reinforcement and core concrete. Reinforced concrete beam specimens and beam-column joint specimens were tested implementing the proposed hybrid reinforcement. The proposed hybrid reinforcement, when compared with conventional steel stirrups, is found to have higher strength, stiffness, and energy dissipation. Design methods, structural behavior, and applicability of the proposed hybrid reinforcement are discussed in detail in this paper.

Keywords： FRP     ductility     confinement     seismic     shear    

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SARS-CoV-2 vaccine research and immunization strategies for improved control of the COVID-19 pandemic

Frontiers of Medicine 2022, Volume 16, Issue 2,   Pages 185-195 doi: 10.1007/s11684-021-0913-y

Abstract: The record speed at which Chinese scientists identified severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and shared its genomic sequence with the world, has greatly facilitated the development of coronavirus disease (COVID-19) diagnostics, drugs, and vaccines. It is unprecedented in pandemic control history to develop a dozen successful vaccines in the first year and to immunize over half of the global population in the second year, due to the efforts of the scientific community, biopharmaceutical industry, and regulatory agencies worldwide. The challenges are both great and multidimensional due to the rapid emergence of virus variants and waning of vaccine immunity. Vaccination strategies need to adapt to these challenges to keep population immunity above the herd immunity threshold, by increasing vaccine coverage, especially for older adults and young people, and providing timely booster doses with homologous or heterologous vaccine boosts. Further research should be undertaken to develop more effective vaccines against SARS-CoV-2 variants and to understand the best prime-boost vaccine combinations and immunization strategies to provide sufficient and sustainable immune protection against COVID-19.

Keywords： COVID-19     pandemics     SARS-CoV-2     vaccination    

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Design and synthesis of ZnCoO/CdS for substantially improved photocatalytic hydrogen production

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 5,   Pages 606-616 doi: 10.1007/s11705-022-2233-4

Abstract: In this study, the hydrogen evolution performance of CdS nanorods is improved using ZnCo2O

Keywords： ZnCo2O4 nanosphere     CdS nanorods     photocatalytic hydrogen evolution    

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Title Author Date Type Operation

Impingement of hollow cone spray on hot porous medium

ZHAO Zhiguo, XIE Maozhao

Journal Article

Numerical investigation of the effects of fuel spray type on the interaction of fuel spray and hot porous medium

ZHAO Zhiguo, XIE Maozhao

Journal Article

Solving unit commitment problem using a novel version of harmony search algorithm

Roozbeh MORSALI,Tohid JAFARI,Amirhossein GHODS,Mohammad KARIMI

Journal Article

forward in laparoscopic hepatectomy: comments on “Expert Consensus on Laparoscopic Hepatectomy (2013 Version

Eric C.H. Lai

Journal Article

LARGE-SCALE FARMING BENEFITS SOIL ACIDIFICATION ALLEVIATION THROUGH IMPROVED FIELD MANAGEMENT IN BANANA

Journal Article

Cluster voltage control method for “Whole County” distributed photovoltaics based on improved differential

Journal Article

Manufacturing system modeling and performance evaluation based on improved stochastic statechart

ZHANG Guojun, HE Jiabing, ZHU Haiping, CHEN Xuan

Journal Article

Time of flight improved thermally grown oxide thickness measurement with terahertz spectroscopy

Journal Article

A method for predicting consolidation settlements of floating column improved clayey subsoil

Jinchun CHAI, Supasit PONGSIVASATHIT,

Journal Article

Dynamic characteristics and improved MPPT control of PV generator

Houda BRAHMI, Rachid DHIFAOUI

Journal Article

subject to fuzzy operation time constraints: declarative modeling approach A preliminary version

Izabela NIELSEN,Robert WÓJCIK,Grzegorz BOCEWICZ,Zbigniew BANASZAK

Journal Article

operation of energy at hydrothermal power plants by simultaneous minimization of pollution and costs using improved

Homayoun EBRAHIMIAN,Bahman TAHERI,Nasser YOUSEFI

Journal Article

Innovative hybrid reinforcement constituting conventional longitudinal steel and FRP stirrups for improved

Mostafa FAKHARIFAR,Ahmad DALVAND,Mohammad K. SHARBATDAR,Genda CHEN,Lesley SNEED

Journal Article

SARS-CoV-2 vaccine research and immunization strategies for improved control of the COVID-19 pandemic

Journal Article

Design and synthesis of ZnCoO/CdS for substantially improved photocatalytic hydrogen production

Journal Article