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Game-theoretical explorations of the mesoscale flow structure and regime transitions in bubble columns

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Particuology 2020年第1期18卷 100-108页

作者： Shuo Yuan Yifen Mu Xiaoping guan Zhixin liu jianhua Chen Ning Yang Lin zhang Key Lab of Systems and Control Institute of Systems SciencesAcademy of Mathematics and Systems ScienceChinese Academy of SciencesBeijing 100190China University of Chinese Academy of Sciences Beijing 100049China State Key Laboratory of Multiphase Complex Systems Institute of Process EngineeringChinese Academy of SciencesBeijing 100190China

Understanding the mesoscale structure and regime transition in bubble columns is of great significance for reactor design and *** on the energy-minimization multiscale(EMMS)model,a noncooperative game model with constraints is proposed to investigate the structural properties of gas-liquid systems in which small and large bubbles are chosen as players and the energy consumption form the objective *** conservation equations of the system can be regarded as the constraints of the *** the formulated noncooperative game model,the concept of the generalized Nash equilibrium(GNE)is used to characterize the *** algorithm is developed to numerically compute the GNE and some important structural parameters in the *** numerical results show the existence of the GNE for all values of the superficial gas velocity *** Ug varies,the trends in the state variables can be observed and the critical point of Ug *** overall trend of the flow regime transition agrees with the original EMMS model and experimental results,although the GNE calculation also reveals different single-bubble dominant mechanisms with increasing Ug.

关键词： Bubble column Mesoscale Regime transition Game theory Generalized Nash equilibrium EMMS model

Continuous Process Optimization and Computational Fluid Dynamics Simulation of a Methyl Anthranilate Jet Reactor

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China Petroleum Processing & Petrochemical Technology 2023年第2期25卷 128-141页

作者： Chen Zhuohang Xu Lin Wang Xiaoping Song jianhua Long Haoyu Li xinping liu Dianhua Xu Yongjing Chen Hebing liu Hui zhang Ying Lei Wei Stake Key Laboratory of Chemical Engineering East China University of Science and TechnologyShanghai 200237China Henan Kaifeng Pingmei Shenma Xinghua Fine Chemical Co. LtdHenan 475003China

Methyl anthranilate(MA)is an important material for the synthesis of sodium saccharin,but the yield and quality of MA are not stable due to the batch operation *** this study,the optimum conditions obtained by an orthogonal test in a batch reactor were a volume ratio of methanol to amide solution of 5:4,volume ratio of sodium hypochlorite to amide solution of 7:4,Hoffmann degradation reaction duration of 10 min,Hoffmann degradation reaction temperature of 10℃,esterification reaction duration of 10 min,and esterification reaction temperature of 40℃.The working flow velocity and allowable working viscosity range of a Venturi ejector inlet were both determined by a computational fluid dynamics(CFD)*** on the above experimental data,the continuous operation of the process was tested in a three-stage continuous reactor,which improved the product yield and quality of the process.

关键词： methyl anthranilate orthogonal test jet reactor CFD

Effects of 4 GPa Pressure Heat Treatment on Thermal Physical Properties of the Cu-AI Alloy

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材料科学与工程（中英文版） 2011年第4期5卷 451-454页

作者： Xiaoping guan Mengmeng Cheng Guirong Peng jianhua liu Ruijun zhang College of Science Yanshan University Qinhuangdao 066004 China State Key Laboratory of Metastable Materials Science and Technology Yanshan University Qinhuangdao 066004 China

Characters Selection and Assessment for Spathiphyllum DUS Testing Guideline

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Agricultural Biotechnology 2021年第5期10卷 21-25,48页

作者： Peng zhang Jiangmin WANG Xiaohong YANG Yanfang liu Junjiao guan Qingmei HUANG Jin MAO jianhua zhang Quality Standard and Testing Technology Research Institute Yunnan Academy of Agricultural SciencesKunming 650205China

[Objectives]This study was conducted to provide technical standards for domestic Spathiphyllum variety description and resource evaluation.[Methods]Through field trials and character surveys of the collected 83 Spathiphyllum varieties,after several revisions by fellow experts,and with reference to the Guidelines for Testing the Specificity,Consistency and Stability of New Plant Varieties:Spathiphyllum(TG/135/3)issued by the International Union For The Protection of New Varieties of Plants,the DUS testing guidelines for Spathiphyllum have been developed,and statistical analysis and other methods were used to study the traits for the guideline.[Results]Thirty two testing traits,including 11 mandatory traits,8 basic traits,10 new traits,and 3 optional traits were finally determined;five traits including plant height,plant width,and leaf length were divided into 7 grades,and 9 traits such as leaf width,spathe length,and spathe width were divided into 5 levels;and the observation method and trait code of the trait spathe depth were adjusted.[Conclusions]The development of this guideline provides a basis for judging the specificity,consistency and stability of Spathiphyllum varieties,and is of great significance to the breeding and protection of Spathiphyllum varieties.

关键词： Spathiphyllum Schott Testing guideline Characters Evaluation

Fucoxanthin protects EPCs from H2O2-induced oxidative stress by activating ERK1/2

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Fucoxanthin protects EPCs from H2O2-induced oxidative stress...

高压处理对低碳合金钢加热过程中固态相变的影响

中国生理学会第24届全国会员代表大会暨生理学学术大会

作者： Xiumei guan Aixia Meng Xiaowei Jiang jianhua liu Jing zhang Wenping Li Min Cheng Medicine Research Center Weifang Medical University

＜正＞Endothelial progenitor cells（EPCs）play a crucial role in endothelial repair and revascularization after peripheral or myocardial *** oxidative stress has been suggested to contribute to the functional impairment of *** is one of the abundant carotenoids found in edible brown *** can act as a physiological antioxidant by scavenging reactive-free radicals as well as

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热加工工艺 2008年第18期37卷 40-42页

作者：张雪芹肖心萍刘建华张瑞军河北建材职业技术学院建筑工程系河北秦皇岛066004 秦皇岛职业技术学院机电系河北秦皇岛066100 燕山大学亚稳材料制备技术与科学国家重点实验室河北秦皇岛066004

从低碳合金钢加热过程中固态相变动力学的角度,揭示了低碳合金钢经高压处理后在加热过程中对固态相变的影响。结果表明,高压处理能使低碳合金钢组织中珠光体向奥氏体的转变向低温移动,缩短转变时间,其原因归于低碳合金钢经高压处理后的... 详细信息

从低碳合金钢加热过程中固态相变动力学的角度,揭示了低碳合金钢经高压处理后在加热过程中对固态相变的影响。结果表明,高压处理能使低碳合金钢组织中珠光体向奥氏体的转变向低温移动,缩短转变时间,其原因归于低碳合金钢经高压处理后的组织发生改变。

关键词：低碳合金钢珠光体→奥氏体高压处理

Variation characteristics of stable isotopes in atmospheric precipitation in Adelaide,Australia

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地球环境学报 2024年第4期15卷 641-652页

作者： WANG Dizhou zhang xinping liu Zhongli LI guang guan Huade School of Geographic Sciences Hunan Normal UniversityChangsha 410081China Hunan Key Laboratory of Geospatial Big Data Mining and Application Hunan Normal UniversityChangsha 410081China School of the Environment Flinders UniversityAdelaide 5001Australia

Background,aim,and scope Stable isotope in water could respond sensitively to the variation of environment and be reserved in different geological archives,although they are scarce in the *** the methods derived from the stable isotope composition of water have been widely applied in researches on hydrometeorology,weather diagnosis,and paleoclimate reconstruction,which help well for understanding the water-cycle processes in one ***,it is aimed to explore the temporal changes of stable isotopes in precipitation from Adelaide,Australia and determine the influencing factors at different *** and methods Based on the isotopic data of daily precipitation over four years collected in Adelaide,Australia,the variation characteristics of dailyδD,δ^(18)O,and dexcess in precipitation and its relationship with meteorological elements were *** The results demonstrated the local meteoric water line(LMWL)in Adelaide,wasδD=6.38×δ^(18)O+6.68,with a gradient less than *** is a significant negative correlation between dailyδ^(18)O and precipitation amount or relative humidity at daily timescales in both the whole year and wither/summerhalf year(p<0.001),but a significant positive correlation between dailyδ^(18)O and temperature in the whole year and the winter half-year(p<0.001).Discussion The correlation coefficients betweenδ^(18)O and daily mean temperature didn’t show a significant positive correlation,which may be attributed to that the precipitation in Adelaide area in January was mainly influenced by strong convective weather,and the stable isotope values in precipitation were significantly ***,this propose was also evidenced by the results from dexcess of precipitation with larger value in the winter half-year than that in the summer half-year,which may be resulted from the precipitation events in winter are mostly influenced by oceanic water vapor,while the sources of water vapor in summer precipitation eve

关键词： Adelaide precipitation stable isotopes meteoric water line stepwise regression analysis

洞庭湖流域各季节旱涝及其与大气环流和关键区海温的关系

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热带地理 2021年第5期41卷 987-999页

作者：刘仲藜章新平黎祖贤贺新光关华德湖南师范大学资源与环境科学学院长沙410081 湖南师范大学地理空间大数据挖掘与应用湖南省重点实验室长沙410081 湖南省人工影响天气领导小组办公室长沙410007 College of Science and Engineering Flinders UniversityAdelaide SA 5001Australia

利用逐月降水数据和NCEP/NCAR再分析数据,分析了洞庭湖流域春、夏、秋季57年来旱涝异常的年际变化以及典型旱涝异常年份的全球海温分布形势,并利用降尺度和趋势分析方法探究气象因子对ENSO和关键区海温的响应,以加强对流域旱涝前期影响... 详细信息

利用逐月降水数据和NCEP/NCAR再分析数据,分析了洞庭湖流域春、夏、秋季57年来旱涝异常的年际变化以及典型旱涝异常年份的全球海温分布形势,并利用降尺度和趋势分析方法探究气象因子对ENSO和关键区海温的响应,以加强对流域旱涝前期影响因素的认识。结果表明:1)流域在春、秋季旱涝变化趋势不明显,在夏季较明显地变湿。2)前期冬、夏季ENSO事件分别对流域春、秋季旱涝产生显著影响,而与夏季呈不显著的统计特征。3)在消除前期ENSO信号后,阿留申群岛附近海域(S3)、澳大利亚东部海域(S4)海温和印度洋偶极子(Indian Ocean Dipole,IOD)现象仍分别为春、夏、秋季与流域旱涝有密切联系的海温因素。4)S3区SST对流域春季旱涝的影响通过西风带环流实现,S4区SST偏高似乎是东亚夏季风强度偏弱的表现,成熟的IOD现象为流域秋季旱涝的主导因子。

关键词：洞庭湖流域区域旱涝指数季节性旱涝 ENSO 关键区海表面温度

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城市轨道交通智能运维车联网系统研究设计

智慧轨道交通 2022年第5期59卷 60-64页

作者：张欣萍管超刘鹏中车青岛四方车辆研究所有限公司电子事业部山东青岛266112

结合城市轨道交通车辆智能化发展需求,开展列车智能运维车联网系统研究与设计。系统综合应用物联网、边缘计算等技术,实现各监测子系统原始数据的分布式采集、数据融合,然后借助无线网络通道上传至地面运维专家系统平台,实现对子系统及... 详细信息

结合城市轨道交通车辆智能化发展需求,开展列车智能运维车联网系统研究与设计。系统综合应用物联网、边缘计算等技术,实现各监测子系统原始数据的分布式采集、数据融合,然后借助无线网络通道上传至地面运维专家系统平台,实现对子系统及关键部件的状态进行监视、故障预警及健康评估等功能,为列车运营调度及车辆检修提供基于数据支撑的辅助决策内容,提高了列车运营的可靠性以及车辆检修效率,为地铁的安全运营提供保障。

关键词：城市轨道交通智能运维车联网系统地面运维专家系统