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A Numerical Study of Wave Propagation and Cracking Processes in Rock-Like Material under Seismic Loading Article

Xiaoping Zhang, Qi Zhang, Quansheng Liu, Ruihua Xiao

Engineering 2022, Volume 17, Issue 10,   Pages 140-150 doi: 10.1016/j.eng.2021.09.023

Abstract:   During the aftershock, the cracking process in rocks becomes more complex because of the formationIn order to investigate the effects of seismic loading on the cracking processes in a specimen containing

Keywords： Seismic wave     Cyclic loading     Cracking processes     Bonded-particle model    

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Effects of microfine aggregate in manufactured sand on bleeding and plastic shrinkage cracking of concrete

Branavan ARULMOLY; Chaminda KONTHESINGHA; Anura NANAYAKKARA

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 11,   Pages 1453-1473 doi: 10.1007/s11709-022-0877-2

Abstract: 3%, 6%, 9%, and 12% (by weight) as the partial replacements of MS on bleeding and plastic shrinkage crackingbleeding test data were taken as on-site measurements, while the cracks from the plastic shrinkage cracking

Keywords： manufactured sand     fresh concrete     microfines     admixtures     shrinkage     cracking    

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FUNCTIONAL GAIN OF FRUIT NETTED-CRACKING IN AN INTROGRESSION LINE OF TOMATO WITH HIGHER EXPRESSION OF

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 2,

Abstract:

Fruit cracking is a major disorder that affects the integrity of fruit and reduces the commercialHere, we have found a novel fruit ‘netted-cracking’ (FNC) phenotype in tomato introgressionThese findings were further confirmed by FNC ortholog in netted-cracking pepper andThese findings provide novel genetic insights into fruit netted-cracking and offer a way to promote molecularimprovement toward cracking resistant cultivars.

Keywords： fine mapping / fruit netted-cracking / introgression line / transcript level    

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Theoretical study on the confine-stiffening effect and fractal cracking of square concrete filled steel

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 6,   Pages 1317-1336 doi: 10.1007/s11709-021-0763-3

Abstract: accurately predict the tensile strength and stiffness enhancements and realistically simulate the fractal cracking

Keywords： square concrete filled tubes     confine-stiffening     confine-strengthening     fractal cracking     fracture    

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Hierarchical approach for fatigue cracking performance evaluation in asphalt pavements

Ibrahim ONIFADE, Yared DINEGDAE, Björn BIRGISSON

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 3,   Pages 257-269 doi: 10.1007/s11709-017-0410-1

Abstract: In this paper, a hierarchical approach is proposed for the evaluation of fatigue cracking in asphalt

Keywords： fatigue cracking     energy based     crack initiation     mechanistic approach     pavement analysis    

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Emerging electrochemical processes for materials recovery from wastewater: Mechanisms and prospects

Lingchen Kong, Xitong Liu

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 5, doi: 10.1007/s11783-020-1269-2

Abstract: Abstract • Mechanisms for selective recovery of materials in electrochemical processes are discussedapplications: electrosorption based on carbonaceous and intercalation electrodes, electrochemical redox processesWe highlight the mechanisms for achieving selective materials recovery in these processes.

Keywords： Materials recovery     Electrosorption     Capacitive deionization     Redox processes     Electrochemical precipitation    

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Influence of surface cracking, anchor head profile, and anchor head size on cast-in headed anchors in

Frontiers of Structural and Civil Engineering   Pages 1163-1187 doi: 10.1007/s11709-023-0987-5

Abstract: The influence of concrete surface cracking on the capacity of the anchor is shown to depend on the location

Keywords： cast-in anchor     concrete cone capacity     geopolymer concrete     head size     surface crack     anchor profile    

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Deep Catalytic Cracking Technology Bridging Petroleum Processing with Chemical Industry

Li Zaiting

Strategic Study of CAE 1999, Volume 1, Issue 2,   Pages 67-71

Abstract:

Deep catalytic cracking (DCC) is a novel technology for producing basic organic raw material, especially

Keywords： deep catalytic cracking     petrochemical industry     propylene     isobutylene    

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A new approach for scheduling of multipurpose batch processes with unlimited intermediate storage policy

Nikolaos Rakovitis, Nan Zhang, Jie Li, Liping Zhang

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 4,   Pages 784-802 doi: 10.1007/s11705-019-1858-4

Abstract: Optimal scheduling of their processes can lead facilities towards this direction.

Keywords： scheduling     multipurpose batch processes     simultaneous transfer     mixed-integer linear programming    

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A novel fluid catalytic cracking process for maximizing

Youhao Xu, Shouye Cui

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 1,   Pages 9-23 doi: 10.1007/s11705-017-1696-1

Abstract: A concept that two different reaction zones include cracking zone and conversion zone is proposed asthe fundamental of MIP by research on fluid catalytic cracking (FCC) reaction chemistry.The combination of MIP and RSDS/S Zorb processes creates a very competitive route, which is different

Keywords： gasoline     iso-paraffins     FCC     desulfurization     octane number    

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Modeling of hydrological processes in arid agricultural regions

Jiang LI,Xiaomin MAO,Shaozhong KANG,David A. BARRY

Frontiers of Agricultural Science and Engineering 2015, Volume 2, Issue 4,   Pages 283-294 doi: 10.15302/J-FASE-2015076

Abstract: Understanding of hydrological processes, including consideration of interactions between vegetation growth

Keywords： hydrological processes     irrigation area     SPAC     crop growth     groundwater     canal seepage    

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Targeted Catalytic Cracking to Olefins (TCO): Reaction Mechanism, Production Scheme, and Process Perspectives Review

Youhao Xu, Yanfen Zuo, Wenjie Yang, Xingtian Shu, Wei Chen, Anmin Zheng

Engineering 2023, Volume 30, Issue 11,   Pages 100-109 doi: 10.1016/j.eng.2023.02.018

Abstract: The main low-carbon olefin production methods, such as catalytic cracking and steam cracking, have considerableThis article provides a thorough overview of recent studies on catalytic cracking, steam cracking, andthe conversion of crude oil processes.Taking olefin generation and conversion as a link to expand upstream and downstream processes, a targetedrefining and chemical processes to achieve low carbon dioxide emissions.

Keywords： Light olefins     Steam cracking     Catalytic cracking     TCO process     Oil processing revolution    

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Automated synthesis of steady-state continuous processes using reinforcement learning

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 2,   Pages 288-302 doi: 10.1007/s11705-021-2055-9

Abstract: Automated flowsheet synthesis is an important field in computer-aided process engineering. The present work demonstrates how reinforcement learning can be used for automated flowsheet synthesis without any heuristics or prior knowledge of conceptual design. The environment consists of a steady-state flowsheet simulator that contains all physical knowledge. An agent is trained to take discrete actions and sequentially build up flowsheets that solve a given process problem. A novel method named SynGameZero is developed to ensure good exploration schemes in the complex problem. Therein, flowsheet synthesis is modelled as a game of two competing players. The agent plays this game against itself during training and consists of an artificial neural network and a tree search for forward planning. The method is applied successfully to a reaction-distillation process in a quaternary system.

Keywords： automated process synthesis     flowsheet synthesis     artificial intelligence     machine learning     reinforcement learning    

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Effectiveness of tertiary treatment processes in removing different classes of emerging contaminants

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 11, doi: 10.1007/s11783-022-1583-y

Abstract:

● Different advanced treatment processes were tested for ECs removal

Keywords： Micropollutants     Wastewater     PAC     Membranes     UV     Tertiary treatment    

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Fundamental influences of particles on stirred and unstirred venting processes of foaming systems

Henrik LEIMEISTER,Jörg STEINBACH

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 2,   Pages 141-148 doi: 10.1007/s11705-014-1423-0

Abstract: Venting is the common safety measure to protect plant equipment against excessive overpressure. So far, scenarios in which particles were part of the system and should have been accounted for did ignore their presence; the scenarios were treated like a two-phase system. Current research shows that particles can have a major influence on the venting behaviour. Experimental results indicate that particles affect level swell and relief flow especially of foamy systems. Based on those results four different layers of influence of the particle have been identified and are presented in a first model. Based on this model recommendations for the development of new and more complex models are given.

Keywords： venting     multi-phase    

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Title Author Date Type Operation

A Numerical Study of Wave Propagation and Cracking Processes in Rock-Like Material under Seismic Loading

Xiaoping Zhang, Qi Zhang, Quansheng Liu, Ruihua Xiao

Journal Article

Effects of microfine aggregate in manufactured sand on bleeding and plastic shrinkage cracking of concrete

Branavan ARULMOLY; Chaminda KONTHESINGHA; Anura NANAYAKKARA

Journal Article

FUNCTIONAL GAIN OF FRUIT NETTED-CRACKING IN AN INTROGRESSION LINE OF TOMATO WITH HIGHER EXPRESSION OF

Journal Article

Theoretical study on the confine-stiffening effect and fractal cracking of square concrete filled steel

Journal Article

Hierarchical approach for fatigue cracking performance evaluation in asphalt pavements

Ibrahim ONIFADE, Yared DINEGDAE, Björn BIRGISSON

Journal Article

Emerging electrochemical processes for materials recovery from wastewater: Mechanisms and prospects

Lingchen Kong, Xitong Liu

Journal Article

Influence of surface cracking, anchor head profile, and anchor head size on cast-in headed anchors in

Journal Article

Deep Catalytic Cracking Technology Bridging Petroleum Processing with Chemical Industry

Li Zaiting

Journal Article

A new approach for scheduling of multipurpose batch processes with unlimited intermediate storage policy

Nikolaos Rakovitis, Nan Zhang, Jie Li, Liping Zhang

Journal Article

A novel fluid catalytic cracking process for maximizing

Youhao Xu, Shouye Cui

Journal Article

Modeling of hydrological processes in arid agricultural regions

Jiang LI,Xiaomin MAO,Shaozhong KANG,David A. BARRY

Journal Article

Targeted Catalytic Cracking to Olefins (TCO): Reaction Mechanism, Production Scheme, and Process Perspectives

Youhao Xu, Yanfen Zuo, Wenjie Yang, Xingtian Shu, Wei Chen, Anmin Zheng

Journal Article

Automated synthesis of steady-state continuous processes using reinforcement learning

Journal Article

Effectiveness of tertiary treatment processes in removing different classes of emerging contaminants

Journal Article

Fundamental influences of particles on stirred and unstirred venting processes of foaming systems

Henrik LEIMEISTER,Jörg STEINBACH

Journal Article