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PHOTOCATALyTIC PERFORMANCE OF PLASMA SPRAyED TiO_2-ZnFe_2O_4 COATINGS

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Acta Metallurgica Sinica(English Letters) 2005年第3期18卷 363-368页

作者： y.zeng J.T.Liu W.J.Qian J.H.Gao ShanghaiInstituteofCeramics TheChineseAcademyofSciencesShanghai200050China

A novel TiO2-ZnFe2O4 coating is prepared by plasma spraying. The effects of spra ying parameters and the composition of powders on the microstructure, surface mo rphology and photo-absorption of plasma sprayed coatings are studied. The photoc atalytic efficiency of the as-sprayed coatings is evaluated through the photo mi neralization of methylene blue. It was found that TiO2 coatings can decompose me thylene blue under the illumination of ultraviolet rays, and the degrading effic iency is improved with an increase in the content of FeTiO3 in the coatings. How ever, the presence of large amount of ZnFe2O4 compound will substantially lower the photocatalytic efficiency of the TiO2-ZnFe2O4 coatings for the unfavorable p hoto-excited electron-hole transfer process.

关键词： plasma spraying photocatalytic activity TiO2 ZnFe2O4

Improved mechanical properties and strengthening mechanism with the altered precipitate orientation in magnesium alloys

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Journal of Magnesium and Alloys 2022年第5期10卷 1256-1267页

作者： y.J.Wan y.zeng y.C.Dou D.C.Hu X.y.Qian Q.zeng K.X.Sun G.F.Quan Key Laboratory of Advanced Technologies of Materials Ministry of EducationSchool of Material Science and EngineeringSouthwest Jiaotong UniversityChengdu 610031China College of Materials Science and Engineering Sichuan University of Science and EngineeringZigong 643000China Department of Materials The University of ManchesterOxford RoadManchester M139PLUnited Kingdom

Aging prior to twinning deformation was proposed to alter the precipitate orientation of the plate-shapedβ-MgAlfrom(0002)basal planes(named basal plates)to■prismatic planes(named prismatic plates)in AZ31 Mg *** experimental results showed that the compressive yield strength(CyS)of the sample containing prismatic plates increased 40 MPa and the compression ratio raised by 22%compared to that containing basal *** underlying strengthening mechanism was analyzed via a yield strengthen(yS)model with a function of grain size,precipitate characters(size,oritention,fraction)and Schmid factor(SF).It revealed that the improvement of CyS was mainly attributed to the altered precipitate orientation and refined grain size produced by twinning ***,the prismatic plates always have a stronger hardening effect on basal slip than basal plates under the same varites of precipitate diameter and ***,the decreased CRSS ratio of prismatic slip to basal slip revealed that the activity of non-basal slip in Mg alloy might be *** activated slip systems provided more mobile dislocations,contributing to the large compression ratio of the Mg rolled sheet with prismatic plates.

关键词： Precipitate orientation Precipitation strengthening Grain boundary strengthening yield strength model

THEORETICAL CONSIDERATIONS OF SECONDARy ORGANIC AEROSOL FORMATION FROM H-ABSTRACTION REACTION OF P-XyLENE

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THEORETICAL CONSIDERATIONS OF SECONDARY ORGANIC AEROSOL FORM...

Amplitude analysis of the decays D^(0)→π^(+)π^(−)π^(+)π^(−)and D^(0)→π^(+)π^(−)π^(0)π^(0)

中国化学会第27届学术年会

作者：胡淑贤 Eddy y.zeng State Key Laboratory of Organic Geochemistry Guangzhou Institute of GeochemistryChinese Academy of Sciences

＜正＞Xylenes are important constituents of many liquid fuels, as well as precursors of secondary organic aerosol （SOA）1-2. Theoretical calculations at the B3LyP/6-311++G**level using Gaussian 03 program

关键词： p-Xylene H-Abstraction Channel Theoretical Barrier

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Chinese Physics C 2024年第8期48卷 6-33页

作者： M.Ablikim M.N.Achasov P.Adlarson O.Afedulidis X.C.Ai R.Aliberti A.Amoroso Q.An y.Bai O.Bakina I.Balossino y.Ban H.-R.Bao V.Batozskaya K.Begzsuren N.Berger M.Berlowski M.Bertani D.Bettoni F.Bianchi E.Bianco A.Bortone I.Boyko R.A.Briere A.Brueggemann H.Cai X.Cai A.Calcaterra G.F.Cao N.Cao S.A.Cetin J.F.Chang W.L.Chang G.R.Che G.Chelkov C.Chen C.H.Chen Chao Chen G.Chen H.S.Chen M.L.Chen S.J.Chen S.L.Chen S.M.Chen T.Chen X.R.Chen X.T.Chen y.B.Chen y.Q.Chen Z.J.Chen Z.y.Chen S.K.Choi X.Chu G.Cibinetto F.Cossio J.J.Cui H.L.Dai J.P.Dai A.Dbeyssi R.E.de Boer D.Dedovich C.Q.Deng Z.y.Deng A.Denig I.Denysenko M.Destefanis F.De Mori B.Fang S.S.Fang W.X.Fang y.Fang y.Q.Fang R.Farinelli L.Fava F.Feldbauer G.Felici C.Q.Feng J.H.Feng y.T.Feng K.Fischer M.Fritsch C.D.Fu J.L.Fu y.W.Fu H.Gao y.N.Gao yang Gao S.Garbolino I.Garzia P.T.Ge Z.W.Ge C.Geng E.M.Gersabeck B.Ding X.X.Ding y.Ding y.Ding J.Dong L.y.Dong M.y.Dong X.Dong M.C.Du S.X.Du Z.H.Duan P.Egorov y.H.Fan J.Fang JA.Gilman K.Goetzen L.Gong W.X.Gong W.Gradl S.Gramigna M.Greco M.H.Gu y.T.Gu C.y.Guan Z.L.Guan A.Q.Guo L.B.Guo M.J.Guo R.P.Guo y.P.Guo A.Guskov J.Gutierrez K.L.Han T.T.Han X.Q.Hao F.A.Harris K.K.He K.L.He F.H.Heinsius C.H.Heinz y.K.Heng C.Herold T.Holtmann P.C.Hong G.y.Hou X.T.Hou y.R.Hou Z.L.Hou B.y.Hu H.M.Hu J.F.Hu T.Hu y.Hu G.S.Huang K.X.Huang L.Q.Huang X.T.Huang y.P.Huang T.Hussain F.H\"olzken N.H\"usken N.in der Wiesche M.Irshad J.Jackson S.Janchiv J.H.Jeong Q.Ji Q.P.Ji W.Ji X.B.Ji X.L.Ji y.y.Ji X.Q.Jia Z.K.Jia D.Jiang H.B.Jiang P.C.Jiang S.S.Jiang T.J.Jiang X.S.Jiang y.Jiang J.B.Jiao J.K.Jiao Z.Jiao S.Jin y.Jin M.Q.Jing X.M.Jing T.Johansson S.Kabana N.Kalantar-Nayestanaki X.L.Kang X.S.Kang M.Kavatsyuk B.C.Ke V.Khachatryan A.Khoukaz R.Kiuchi O.B.Kolcu B.Kopf M.Kuessner X.Kui A.Kupsc W.K\"uhn J.J.Lane P.Larin L.Lavezzi T.T.Lei Z.H.Lei H.Leithoff M.Lellmann T.Lenz C.Li C.Li C.H.Li Cheng Li D.M.Li F.Li G.Li H.Li H.B.Li H.J.Li H.N.Li Hui Li J.R.Li J.S.Li K.Li L.J.Li L.K.Li Lei Li M.H.Li P.R.Li Q.M.Li Q.X.Li R.Li S.X.Li T.Li W.D.Li W.G.Li X.Li X.H.Li X.L.Li X.y.Li y Institute of High Energy Physics Chinese Academy of SciencesBeijing 100049China Beihang University Beijing 100191China Bochum Ruhr-University D-44780 BochumGermany Budker Institute of Nuclear Physics SB RAS(BINP) Novosibirsk 630090Russia Carnegie Mellon University PittsburghPennsylvania 15213USA Central China Normal University Wuhan 430079China Central South University Changsha 410083China China Center of Advanced Science and Technology Beijing 100190China China University of Geosciences Wuhan 430074China Chung-Ang University Seoul06974Republic of Korea COMSATS University Islamabad Lahore CampusDefence RoadOff Raiwind Road54000 LahorePakistan Fudan University Shanghai 200433China GSI Helmholtzcentre for Heavy Ion Research GmbH D-64291 DarmstadtGermany Guangxi Normal University Guilin 541004China Guangxi University Nanning 530004China Hangzhou Normal University Hangzhou 310036China Hebei University Baoding 071002China Helmholtz Institute Mainz Staudinger Weg 18D-55099 MainzGermany Henan Normal University Xinxiang 453007China Henan University Kaifeng 475004China Henan University of Science and Technology Luoyang 471003China Henan University of Technology Zhengzhou 450001China Huangshan College Huangshan 245000China Hunan Normal University Changsha 410081China Hunan University Changsha 410082China Indian Institute of Technology Madras Chennai 600036India Indiana University BloomingtonIndiana 47405USA INFN Laboratori Nazionali di Frascati INFN Laboratori Nazionali di FrascatiI-00044FrascatiItaly INFN Laboratori Nazionali di Frascati INFN Sezione di PerugiaI-06100PerugiaItaly INFN Laboratori Nazionali di Frascati University of PerugiaI-06100PerugiaItaly INFN Sezione di Ferrara INFN Sezione di FerraraI-44122FerraraItaly INFN Sezione di Ferrara University of FerraraI-44122FerraraItaly Inner Mongolia University Hohhot 010021China Institute of Modern Physics Lanzhou 730000China Institute of Physics and Technology Peace Avenue 54BUlaanbaatar 13330Mongolia Instituto de A

Using e^(+)e^(−)annihilation data corresponding to an integrated luminosity of 2.93 fb^(−1)taken at the center-of-mass energy√s=3.773 GeV with the BESIII detector,a joint amplitude analysis is performed on the decays D^(0)→π^(+)π^(−)π^(+)π^(−)and D^(0)→π^(+)π^(−)π^(0)π^(0)(non-η).The fit fractions of individual components are obtained,and large interferences among the dominant components of the decays D^(0)→a_(1)(1260)π,D^(0)→π(1300)π,D^(0)→ρ(770)ρ(770),and D^(0)→2(ππ)_(S)are observed in both *** the obtained amplitude model,the CP-even fractions of D^(0)→π^(+)π^(−)π^(+)π^(−)and D^(0)→π^(+)π^(−)π^(0)π^(0)(non-η)are determined to be(75.2±1.1_(stat).±1.5_(syst.))%and(68.9±1.5_(stat).±2.4_(syst.))%,*** branching fractions of D^(0)→π^(+)π^(−)π^(+)π^(−)and D^(0)→π^(+)π^(−)π^(0)π^(0)(non-η)are measured to be(0.688±0.010_(stat.)±0.010_(syst.))%and(0.951±0.025_(stat.)±0.021_(syst.))%,*** amplitude analysis provides an important model for the binning strategy in measuring the strong phase parameters of D^(0)→4πwhen used to determine the CKM angleγ(ϕ_(3))via the B^(−)→DK^(−)decay.

关键词： BESIII D^(0)meson decays amplitude analysis CP-even fraction

THE COMPLETE MITOCHONDRIAL GENOM SEQUENCES OF CHINESE PADDLEFISH, PSEPHURUS GLADUS

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THE COMPLETE MITOCHONDRIAL GENOM SEQUENCES OF CHINESE PADDLE...

Future research needs for environmental science in China

第十九届国际动物学大会

作者： D.Wang Q.Wie y.zeng y Fang X.Chen Key Laboratory of Freshwater Fish Germplasm ＆ Biotechnology of Ministry of Agriculture Yangtze River Fisheries Research Institute Chinese Academy of Fishery Sciences Jingzhou 434000 China Key Laboratory of Freshwater Fish Germplasm ＆ Biotechnology of Ministry of Agriculture Yangtze River Fisheries Research Institute Chinese Academy of Fishery Sciences Jingzhou 434000 China Key Laboratory of Freshwater Fish Germplasm ＆ Biotechnology of Ministry of Agriculture Yangtze River Fisheries Research Institute Chinese Academy of Fishery Sciences Jingzhou 434000 China Key Laboratory of Freshwater Fish Germplasm ＆ Biotechnology of Ministry of Agriculture Yangtze River Fisheries Research Institute Chinese Academy of Fishery Sciences Jingzhou 434000 China Key Laboratory of Freshwater Fish Germplasm ＆ Biotechnology of Ministry of Agriculture Yangtze River Fisheries Research Institute Chinese Academy of Fishery Sciences Jingzhou 434000 China

＜正＞The mitochondial DNA（mtDNA） of Psephurus glad-ius was amplied overlappedly by eight new sets prm-ers and polymerase chain reaction （PCR）. And the PCR products were purified and used as templates for direct s...

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Geography and Sustainability 2021年第3期2卷 234-242页

作者： Dongqiang Zhu Weiqiang Chen Xiaolei Qu yuming Zheng Jun Bi Haidong Kan yongming Luo Guangguo ying Eddy y.zeng Fangjie Zhao Lingyan Zhu yongguan Zhu Shu Tao School of Urban and Environmental Sciences Peking UniversityBeijing 100871China Key Lab of Urban Environment and Health Institute of Urban EnvironmentChinese Academy of SciencesXiamen 361021China State Key Laboratory of Pollution Control and Resource Reuse School of the EnvironmentNanjing UniversityJiangsu 210023China Key Laboratory of Urban Pollutant Conversion Institute of Urban EnvironmentChinese Academy of SciencesXiamen 361021China School of Public Health Key Lab of Public Health Safety of the Ministry of Education and Key Lab of Health Technology Assessment of the Ministry of HealthFudan UniversityShanghai 200433China Key Laboratory of Soil Environment and Pollution Remediation Institute of Soil ScienceChinese Academy of SciencesNanjing 210008China The Environmental Research Institute Ministry of Education Key Laboratory of Theoretical Chemistry of EnvironmentSouth China Normal UniversityGuangzhou 510006China Guangdong Key Laboratory of Environmental Pollution and Health School of EnvironmentJinan UniversityGuangzhou 511443China Jiangsu Key Laboratory for Organic Waste Utilization Jiangsu Collaborative Innovation Center for Solid Organic Waste Resource UtilizationCollege of Resources and Environmental SciencesNanjing Agricultural UniversityNanjing 210095China Tianjin Key Laboratory of Remediation&Pollution Control for Urban Ecological Environment Key Laboratory of Pollution Processes and Environmental Criteria of Ministry of EducationCollege of Environmental Science and EngineeringNankai UniversityTianjin 300350China

Environmental science is an interdisciplinary science developed in the process of understanding and solving ecolog-ical and environmental *** order to tackle these problems,environmental science research is expected to reveal the source,behavior,fate,exposure,and risks of pollutants in the environment and develop potential solutions to control *** provides the scientific basis for decision-makers to establish environmental and economic poli-cies,and promote concerted efforts for the sustainable development of ***,we articulate the development patterns,challenges,and future research needs of environmental science in China based on literature review and expert panel *** science research has evolved significantly in the past decade with an increas-ing diversity of environmental pollutants and health impacts,new technologies and methods,deepening fusion of multiple disciplines,and emerging solutions for pollution *** future development relies on the advances in our knowledge on the fate and transport of pollutants,regional environmental processes,ecotoxicological effects,environmental exposure and health effects,environmental analysis and monitoring,source control and reduction,environmental remediation,as well as environmental risk *** each of these fields,we summarize the significant challenges and highlight the research demands for *** on the status quo of China’s environmen-tal science research and future needs,we provide recommendations to promote its future development,including encouraging innovation and interdisciplinary research,providing decision support for national needs,encouraging international collaboration,and improving collaboration mechanisms.

关键词： Environmental science China Challenges Opportunities Research needs

珠江三角洲典型有机污染物的环境行为及人群暴露风险

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化学进展 2017年第9期29卷 943-961页

作者：鲍恋君郭英刘良英曾永平暨南大学环境学院广州市环境暴露与健康重点实验室广东省环境污染与健康重点实验室广州510632

珠江三角洲是我国经济最为发达的地区之一,也是环境污染问题最为严峻的地区之一。严峻的环境污染问题毫无疑问地将影响地区经济的可持续发展与人体健康。大量的研究表明,多种传统和新型的有机污染物在珠江三角洲各类环境介质、生物体、... 详细信息

珠江三角洲是我国经济最为发达的地区之一,也是环境污染问题最为严峻的地区之一。严峻的环境污染问题毫无疑问地将影响地区经济的可持续发展与人体健康。大量的研究表明,多种传统和新型的有机污染物在珠江三角洲各类环境介质、生物体、甚至人体中广泛存在。这些污染物包括多溴联苯醚(PBDEs)、多氯联苯(PCBs)、有机氯农药(OCPs)、有机磷酸酯类阻燃剂(OPEs)等。系统研究污染物的环境行为及人体暴露风险具有重要的科学和现实意义,可以为政策制定者采取有效的污染物控制措施提供科学数据支持。有机污染物在环境界面(沉积物-水、大气-水及土壤-水)迁移是控制其地球化学行为的重要过程。本文综述了珠江三角洲典型有机污染物的宏观环境行为、微观的环境界面通量测定技术、人体暴露风险三个方面的研究历史及现状,并总结了现有研究的不足,展望了研究趋势。

关键词：有机污染物环境行为大气干湿沉降土壤储量河流通量人体暴露

通过渗透微泵稳定抑制小鼠血浆CD26/DPPIV分子酶活性的研究

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首都医科大学学报 2019年第3期40卷 424-428页

作者：薛兴奎韩新华蔡思齐陈晓玲 Melody y.zeng 深圳市龙华区人民医院中心实验室广东深圳518109 深圳市南山区蛇口人民医院内分泌科广东深圳518109 南方医科大学研究生院检验技术系广州501505

目的研究采用皮下植入渗透微泵给予西他列汀对小鼠体内CD26/DDPIV蛋白酶活性的作用效果与持续时间。方法将灌注西他列汀药物的渗透泵经手术植入BL6/C57小鼠皮下,通过高效液相色谱-质谱监测小鼠体内血液药物浓度,酶标法检测小鼠血浆DPPI... 详细信息

目的研究采用皮下植入渗透微泵给予西他列汀对小鼠体内CD26/DDPIV蛋白酶活性的作用效果与持续时间。方法将灌注西他列汀药物的渗透泵经手术植入BL6/C57小鼠皮下,通过高效液相色谱-质谱监测小鼠体内血液药物浓度,酶标法检测小鼠血浆DPPIV蛋白酶活性,流式细胞术观察小鼠脾T细胞CD26分子的表达,利用Transwell小室检测小鼠T细胞迁移能力。取渗透泵周围皮肤,病理切片检查小鼠皮下病理损害或炎性反应。结果B6/C57小鼠在植入渗透泵后,体内药物浓度比采用直接皮下注射法稳定,持续时间久,血浆DPPIV蛋白酶活性抑制程度与血药浓度明显相关。给药24 h后,小鼠脾T细胞CD26分子表达无明显变化,渗透泵组迁移能力较对照组明显降低。皮下植入渗透泵小鼠组饮食活动度无明显改变,皮肤病理检查未见炎性反应与病理损害。结论通过渗透泵给予小鼠药物能够保持西他列汀血药浓度稳定,持续抑制体内DPPIV活性,降低T细胞迁移能力,为CD26/DPPIV分子功能与免疫体内研究提供更方便有效的途径。

关键词： CD26/DPPIV分子西他列汀渗透泵 T细胞

Comparative Study on Different Methods for Prediction of Thermal Insulation Performance of Thermal Barrier Coating Used on Turbine Blades

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Journal of Thermal Science 2024年第1期33卷 172-189页

作者： ZHANG Zhixin zeng Wu ZHANG Xiaodong zeng yuntao Advanced Gas Turbine Laboratory Institute of Engineering ThermophysicsChinese Academy of SciencesBeijing 100190China Key Laboratory of Advanced Energy and Power Institute of Engineering ThermophysicsChinese Academy of SciencesBeijing 100190China Innovation Academy for Light-duty Gas Turbine Chinese Academy of SciencesBeijing 100190China University of Chinese Academy of Sciences Beijing 100049China

As turbine inlet temperature gets higher and higher,thermal barrier coating(TBC) is more and more widely used in turbine *** turbine blades with TBC,it is of great significance to evaluate the temperature distribution of its substrate metal quickly and accurately,especially during the design *** different degrees of simplification such as whether to consider the change of the geometric size of the fluid domain by TBC and whether to consider the planar heat conduction in TBC,three different methods used in conjugate heat transfer(CHT) simulation to model the TBC of the turbine blades have been developed and widely used by ***,little research has been conducted to investigate the influence of the three methods on the temperature distribution of turbine *** fill this gap,three geometric models were *** are a solid conduction model with a substrate metal layer and a TBC layer,a transonic turbine vane with internal cooling and TBC,and a plate cylindrical film hole cooling model with *** methods were used in these geometric models and their differences were carefully analyzed and *** result shows that for the conduction model used in this paper,with the same TBC surface temperature distribution,the difference between the three methods is very small and can be *** a transonic turbine vane with internal cooling,regarding the local maximum temperature of the substrate-TBC interface,the largest difference between the method in which TBC is considered as a thermal resistance or a virtual layer of cells and the method in which three-dimensional heat conduction equation of TBC is solved occurs at the trailing *** difference near the leading edge is below *** employed to the film cooling model,the difference of the laterally averaged temperature of the substrate-TBC interface can be 8 K which is mainly due to the change of the length to diameter ratio of the film cooling hole by *** the substrate

关键词： turbine blade thermal barrier coating conjugate heat transfer film cooling hole