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10B-doped MCP detector developed for neutron resonance imaging at Back-n white neutron source

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Nuclear Science and Techniques 2024年第8期35卷 58-68页

作者： Qiang Li Li‑Jiao Wang Jing‑Yu Tang Xiang‑Biao Qiu Zhen Chen Mao‑Yuan Zhao Chang‑jun Ning Kai Pan Wei Xu Tao Li Su‑peng Lu Han Yi Rui‑Rui fan Chang‑Qing feng Rong zhang xiao‑Yang Sun Qi An Hao‑fan Bai Jiang‑Bo Bai Jie Bao Ping Cao Qi‑Ping Chen Yong‑Hao Chen Zeng‑Qi Cui An‑Chuan fan fan‑Zhen feng Min‑Hao Gu Chang‑cai Han Zi‑Jie Han Guo‑Zhu He Yong‑Cheng He Yang Hong Yi‑Wei Hu Han‑Xiong Huang Wei Jiang Zhi‑Jie Jiang Zheng‑Yao Jin Ling Kang Bo Li Gong Li xiao Li Yang Li Jie Liu Rong Liu Shu‑Bin Liu Yi‑Na Liu Guang‑Yuan Luan Jie Ren Zhi‑Zhou Ren Xi‑Chao Ruan Zhao‑Hui song Kang Sun Zhi‑Xin Tan Sheng‑Da Tang Jin‑Cheng Wang peng‑Cheng Wang Zhao‑Hui Wang Zhong‑Wei Wen xiao‑Guang Wu Xuan Wu Cong Xia Yong‑Ji Yu Guo‑Hui zhang Hang‑Chang zhang Lin‑Hao zhang Qi‑Wei zhang Xian‑peng zhang Yu‑Liang zhang Yue zhang Zhi‑Yong zhang Zhi‑Hao Zhou Ke‑jun Zhu Chong Zou Institute of High Energy Physics Chinese Academy of Sciences(CAS)Beijing 100049China Spallation Neutron Source Science Center Dongguan 523803China State Key Laboratory of Particle Detection and Electronics Institute of High Energy Physics Chinese Academy of SciencesBeijing 100049China dongguan songshan Lake Future School Dongguan 523808China School of Nuclear Science and Technology University of Science and Technology of ChinaHefei 230027China State Key Laboratory of Particle Detection and Electronics University of Science and Technology of ChinaHefei 230026China North Night Vision Science and Technology(Nanjing)Research Institute Co.Ltd Nanjing 211106China Department of Modern Physics University of Science and Technology of ChinaHefei 230026China State Key Laboratory of Nuclear Physics and Technology School of PhysicsPeking UniversityBeijing 100871China Institute of Modern Physics Fudan UniversityShanghai 200433China Key Laboratory of Nuclear Data China Institute of Atomic EnergyBeijing 102413China China Academy of Engineering Physics Institute of Nuclear Physics and ChemistryMianyang 621900China USTC archaeometry lab University of Science and Technology of ChinaHefei 230026China Northwest Institute of Nuclear Technology Xi’an 710024China University of Chinese Academy of Sciences Beijing 100049China China Shipbuilding Trading Co. LtdBeijing 100044China

Neutron resonance imaging(NRI)has recently emerged as an appealing technique for neutron *** complexity surpasses that of conventional transmission imaging,as it requires a high demand for both a neutron source and ***,the progression of NRI technology has been sluggish since its inception in the 1980s,particularly considering the limited studies analyzing the neutron energy range above *** white neutron source(Back-n)at the China Spallation Neutron Source(CSNS)provides favorable beam conditions for the development of the NRI technique over a wide neutron energy range from eV to ***-sensitive microchannel plates(MCP)have emerged as a cutting-edge tool in the field of neutron detection owing to their high temporal and spatial resolutions,high detection efficiency,and low *** this study,we report the development of a 10B-doped MCP detector,along with its associated electronics,data processing system,and NRI experiments at the *** heavy elements such as gold,silver,tungsten,and indium can be easily identified in the transmission images by their characteristic resonance peaks in the 1–100 eV energy range;the more difficult medium-weight elements such as iron,copper,and aluminum with resonance peaks in the 1–100 keV energy range can also be *** particular,results in the neutron energy range of dozens of keV(Aluminum)are reported here for the first time.

关键词： Neutron resonance imaging 10B doped MCP detector White neutron source Sample nuclide identification

Nondestructive technique for identifying nuclides using neutron resonance transmission analysis at CSNS Back-n

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Nuclear Science and Techniques 2024年第1期35卷 178-187页

作者： Sheng-Da Tang Yong-Hao Chen Jing-Yu Tang Rui-Rui fan Qiang Li Gong Li dong Liu Zheng-Yao Jin Xing-Zhu Cui Tian-Xiang Chen Yi-Wei Yang Rong Liu Han Yi Yang Li Zhen Yang Qi An Hao-fan Bai Jiang-Bo Bai Jie Bao Ping Cao Qi-Ping Chen Zhen Chen Zeng-Qi Cui An-Chuan fan Chang-Qing feng fan-Zhen feng Ke-Qing gao Min-Hao Gu Chang-cai Han Zi-Jie Han Guo-Zhu He Yong-Cheng He Yang Hong Yi-Wei Hu Han-Xiong Huang Wei-Hua Jia Hao-yu Jiang Wei Jiang Zhi-jie Jiang Ling Kang Bo Li Chao Li Jia-Wen Li xiao Li Jie Liu Shu-Bin Liu Guang-Yuan Luan Chang-jun Ning Bin-Bin Qi Jie Ren Zhi-Zhou Ren Xi-Chao Ruan Zhao-Hui song Kang Sun Zhi-Xin Tan Li-Jiao Wang peng-Cheng Wang Zhao-Hui Wang Zhong-Wei Wen xiao-Guang Wu Xuan Wu Li-Kun Xie Yong-Ji Yu Guo-Hui zhang Lin-Hao zhang Mo-Han zhang Qi-Wei zhang Xian-peng zhang Yu-Liang zhang Yue zhang Zhi-Yong zhang Mao-Yuan Zhao Lu-Ping Zhou Zhi-Hao Zhou Ke-jun Zhu Sino-French Institute of Nuclear Engineering and Technology Sun Yat-sen UniversityZhuhai 519082China Institute of High-Energy Physics Chinese Academy of Sciences(CAS)Beijing 100049China Spallation Neutron Source Science Center Dongguan 523803China School of Nuclear Science and Technology University of Science and Technology of ChinaHefei 230026China State Key Laboratory of Particle Detection and Electronics University of Science and Technology of ChinaHefei 230026China State Key Laboratory of Particle Detection and Electronics Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China USTC Archaeometry Laboratory University of Science and Technology of ChinaHefei 230026China Institute of Nuclear Physics and Chemistry China Academy of Engineering PhysicsMianyang 621900China Department of Modern Physics University of Science and Technology of ChinaHefei 230026China State Key Laboratory of Nuclear Physics and Technology School of PhysicsPeking UniversityBeijing 100871China Key Laboratory of Nuclear Data China Institute of Atomic EnergyBeijing 102413China Northwest Institute of Nuclear Technology Xi’an 710024China University of Chinese Academy of Sciences Beijing 100049China

Nondestructive and noninvasive neutron assays are essential applications of neutron *** resonance transmission analysis(NRTA)is a powerful nondestructive method for investigating the elemental composition of an *** back-streaming neutron line(Back-n)is a newly built time-of-flight facility at the China Spallation Neutron Source(CSNS)that provides neutrons in the eV to 300 MeV range.A feasibility study of the NRTA method for nuclide identification was conducted at the CSNS Back-n via two test *** results demonstrate that it is feasible to identify different elements and isotopes in samples using the NRTA method at *** study reveals its potential future applications.

关键词： CSNS White neutron beam NRTA Nuclide identification Nondestructive method

Study of the response of 10B-doped MCP to wide-energy range neutrons from eV to MeV

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Nuclear Science and Techniques 2024年第8期35卷 132-141页

作者： Qiang Li Li‑Jiao Wang Xiang‑Biao Qiu Jing‑Wen Li Wei Xu Tao Li Ze‑Bin Lin Chang‑jun Ning Yong‑Hao Chen Rui‑Rui fan Kang Sun Jing‑Yu Tang Rong zhang Han‑Tao Jing Bo Mei Qi An Hao‑fan Bai Jiang‑Bo Bai Jie Bao Ping Cao Qi‑Ping Chen Zhen Chen Zeng‑Qi Cui An‑Chuan fan Chang‑Qing feng fan‑Zhen feng Ke‑Qing gao Min‑Hao Gu Chang‑cai Han Zi‑Jie Han Guo‑Zhu He Yong‑Cheng He Yang Hong Yi‑Wei Hu Han‑Xiong Huang Wei‑Hua Jia Hao‑Yu Jiang Wei Jiang Zhi‑Jie Jiang Zheng‑Yao Jin Ling Kang Bo Li Chao Li Gong Li Jia‑Wen Li xiao Li Yang Li Jie Liu Rong Liu Shu‑Bin Liu Guang‑Yuan Luan Bin‑Bin Qi Jie Ren Zhi‑Zhou Ren Xi‑Chao Ruan Zhao‑Hui song Zhi‑Xin Tan Sheng‑Da Tang peng‑Cheng Wang Zhao‑Hui Wang Zhong‑Wei Wen xiao‑Guang Wu Xuan Wu Li‑Kun Xie Yi‑Wei Yang Han Yi Yong‑Ji Yu Guo‑Hui zhang Lin‑Hao zhang Mo‑Han zhang Qi‑Wei zhang Xian‑peng zhang Yu‑Liang zhang Yue zhang Zhi‑Yong zhang Mao‑Yuan Zhao Lu‑Ping Zhou Zhi‑Hao Zhou Ke‑jun Zhu Institute of High Energy Physics Chinese Academy of Sciences(CAS)Beijing 100049China Spallation Neutron Source Science Center Dongguan 523803China State Key Laboratory of Particle Detection and Electronics Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China dongguan songshan Lake Future School Dongguan 523808China North Night Vision Science&Technology(Nanjing)Research Institute Co.Ltd. Nanjing 211106China Sino‑French Institute of Nuclear Engineering and Technology Sun Yat-sen UniversityZhuhai 519082China School of Nuclear Science and Technology University of Science and Technology of ChinaHefei 230027China State Key Laboratory of Particle Detection and Electronics University of Science and Technology of ChinaHefei 230026China Department of Modern Physics University of Science and Technology of ChinaHefei 230026China State Key Laboratory of Nuclear Physics and Technology School of PhysicsPeking UniversityBeijing 100871China Institute of Nuclear Physics and Chemistry China Academy of Engineering PhysicsMianyang 621900China Key Laboratory of Nuclear Data China Institute of Atomic EnergyBeijing 102413China USTC Archaeometry Lab University of Science and Technology of ChinaHefei 230026China Northwest Institute of Nuclear Technology Xi’an 710024China University of Chinese Academy of Sciences Beijing 100049China

Neutron-sensitive microchannel plates(nMCPs)have applications in neutron detection,including energy spectrum measurements,neutron-induced cross sections,and neutron imaging.10B-doped MCPs(B-MCPs)have attracted significant attention owing to their potential for exhibiting a high neutron detection efficiency over a large neutron energy *** spatial and temporal resolutions are useful for neutron energy-resolved ***,their practical applications still face many technical *** this study,a B-MCP with 10 mol%10B was tested for its response to wide-energy neutrons from eV to MeV at the Back-n white neutron source at the China Spallation Neutron *** neutron detection efficiency was calibrated at 1 eV,which is approximately 300 times that of an ordinary MCP and indicates the success of 10 B *** factors that caused the reduction in the detection efficiency were simulated and *** neutron energy spectrum obtained using B-MCP was compared with that obtained by other measurement methods,and showed very good consistency for neutron energies below tens of *** response is more complicated at higher neutron energy,at which point the elastic and nonelastic reactions of all nuclides of B-MCP gradually become *** is beneficial for the detection of neutrons,as it compensates for the detection efficiency of B-MCP for high-energy neutrons.

关键词： Neutron radiation image 10B-doped MCP Neutron response Wide-energy range neutrons

Phase behavior of heavy oil-solvent mixture systems under reservoir conditions

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Petroleum Science 2020年第6期17卷 1683-1698页

作者： xiao-Fei Sun Zhao-Yao song Lin-feng cai Yan-Yu zhang peng Li School of Petroleum Engineering China University of Petroleum(East China)Qingdao 266580ShandongPeople’s Republic of China Nanjing Air Fuel Co. Ltd.Nanjing 211113JiangsuPeople’s Republic of China

A novel experimental procedure was proposed to investigate the phase behavior of a solvent mixture(SM)(64 mol%CH4,8 mol%CO2,and 28 mol%C3 H8)with heavy ***,a theoretical methodology was employed to estimate the phase behavior of the heavy oil-solvent mixture(HO-SM)systems with various mole fractions of *** experimental results show that as the mole fraction of SM increases,the saturation pressures and swelling factors of the HO-SM systems considerably increase,and the viscosities and densities of the HO-SM systems *** heavy oil is upgraded in situ via asphaltene precipitation and SM ***,the solvent-enriched oil phase at the top layer of reservoirs can easily be produced from the *** aforementioned results indicate that the SM has promising application potential for enhanced heavy oil recovery via solvent-based *** theoretical methodology can accurately predict the saturation pressures,swelling factors,and densities of HO-SM systems with various mole fractions of SM,with average error percentages of1.77%for saturation pressures,0.07%for swelling factors,and 0.07%for densities.

关键词： Heavy oil Solvent mixture PR-EOS Phase behavior Pressure-volume-temperature(PVT)

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高强水稳定的木基生物塑料制备及性能

林业工程学报 2024年第4期9卷 105-111页

作者：刘子丰沈震宋光辉陈偲陈阁谷彭锋林木生物质化学北京市重点实验室(北京林业大学) 北京100083

石油基塑料制品滥用引发的“白色污染”严重危害自然环境和人类的身心健康,基于林木生物质资源的木基生物塑料因其具备生物可降解性和可持续发展性成为替代传统塑料的首选。利用天然轻木(Ochroma lagopus)的三维多孔结构和定向排列的纤... 详细信息

石油基塑料制品滥用引发的“白色污染”严重危害自然环境和人类的身心健康,基于林木生物质资源的木基生物塑料因其具备生物可降解性和可持续发展性成为替代传统塑料的首选。利用天然轻木(Ochroma lagopus)的三维多孔结构和定向排列的纤维素纤维,原位交联聚酰胺环氧氯丙烷(PAE)后热压制备木基生物塑料,并探究不同PAE含量对木基生物塑料干强度和湿强度的影响。傅里叶变换红外光谱(FT-IR)、X射线衍射分析(XRD)及扫描电子显微镜(SEM)试验结果表明,PAE的成功引入以及密实化处理使木基生物塑料多孔结构消失,材料内部呈现出紧密且定向排列的木质纤维,有利于提高木基生物塑料的机械强度及水稳定性。力学性能研究结果表明,PAE质量分数为10%的木基生物塑料有优异的干强度(289 MPa),是天然轻木的26倍;湿强度达到161 MPa,是天然轻木的15倍。研究表明,PAE与纤维素发生共交联反应形成的酯键对木基生物塑料的湿强度提高起到关键作用。生物降解试验结果表明,相比商业塑料,木基生物塑料具有良好的可降解能力,浅埋土壤5个月内可完全降解,对减少“白色污染”具有现实意义。本研究的木基衍生材料制备方式简单,具有优异机械性能、水稳定性和可降解性的木基生物塑料在替代石油基塑料方面具有潜在应用前景。

关键词：天然轻木 PAE 木基生物塑料高强水稳定

CEPC Technical Design Report

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Radiation Detection Technology and Methods 2024年第1期8卷 I0003-I0016,1-1091页

作者： Waleed Abdallah Tiago Carlos Adorno de Freitas Konstantin Afanaciev Shakeel Ahmad Ijaz Ahmed xiaocong Ai Abid Aleem Wolfgang Altmannshofer fabio Alves Weiming An Rui An Daniele Paolo Anderle Stefan Antusch Yasuo Arai Andrej Arbuzov Abdesslam Arhrib Mustafa Ashry Sha Bai Yu Bai Yang Bai Vipul Bairathi Csaba Balazs Philip Bambade Yong Ban Tripamo Bandyopadhyay Shou-Shan Bao Desmond P.Barber Ayse Bat Varvara Batozskaya Subash Chandra Behera Alexander Belyaev Michele Bertucci xiao-jun Bi Yuanjie Bi Tianjian Bian fabrizio Bianchi Thomas Biekotter Michela Biglietti Shalva Bilanishvili Deng Binglin Denis Bodrov Anton Bogomyagkov Serge Bondarenko Stewart Boogert Maarten Boonekamp Marcello Borri Angelo Bosotti Vincent Boudry Mohammed Boukidi Igor Boyko Ivanka Bozovic Giuseppe Bozzi Jean-Claude Brient Anastasiia Budzinskaya Masroor Bukhari Vladimir Bytev Giacomo Cacciapaglia Hua cai Wenyong cai Wujun cai Yijian cai Yizhou cai Yuchen cai Haiying cai Huacheng cai Lorenzo Calibbi junsong Cang Guofu Cao Jianshe Cao Antoine Chance Xuejun Chang Yue Chang Zhe Chang Xinyuan Chang Wei Chao Auttakit Chatrabhuti Yimin Che Yuzhi Che Bin Chen Danping Chen Fuqing Chen Fusan Chen Gang Chen Guoming Chen Hua-Xing Chen Huirun Chen Jinhui Chen Ji-Yuan Chen Kai Chen Mali Chen Mingjun Chen Mingshui Chen Ning Chen Shanhong Chen Shanzhen Chen Shao-Long Chen Shaomin Chen Shiqiang Chen Tianlu Chen Wei Chen Xiang Chen xiaoyu Chen Xin Chen Xun Chen Xurong Chen Ye Chen Ying Chen Yukai Chen Zelin Chen Zilin Chen Gang Chen Boping Chen chunhui Chen Hok Chuen Cheng Huajie Cheng Shan Cheng Tongguang Cheng Yunlong Chi Pietro Chimenti Wen Han Chiu Guk Cho Ming-chung Chu xiaotong Chu Ziliang Chu Guglielmo Coloretti Andreas Crivellin Hanhua Cui xiaohao Cui Zhaoyuan Cui Brunella D'Anzi Ling-Yun Dai Xinchen Dai Xuwen Dai Antonio De Maria Nicola De Filippis Christophe De La Taille Francesca De Mori Chiara De Sio Elisa Del Core Shuangxue Deng Wei-Tian Deng Zhi Deng Ziyan Deng Bhupal Dev Tang Dewen Biagio Di Micco Ran Ding Siqin Dingl Yadong Ding Haiyi dong Jianin AGH University of Science and Technology Faculty of Physics and Applied Computer ScienceKrakow Anhui University HefeiAnhui Applied Physics Department Federal Urdu University of ArtsScience and TechnologyIslamabad Banaras Hindu University Institute of ScienceVaranasi Bandirma Onyedi Eylul University Bandirma Beihang University Beijing Beijing Computational Science Research Center Beijing Beijing Conveyi LTD Beijing Beijing Glass Research Institute Co. LtdBeijing Beijing Institute of Technology Beijing Beijing Normal University Beijing Brown University ProvidenceRI Budker Institute of Nuclear Physics Novosibirsk Cadi Ayyad University Laboratory of Fundamental and Applied PhysicsPolydisciplinary FacultyMarrakech cairo University Giza Center for Theory and Computation National Tsing Hua UniversityHsinchu Central China Normal University WuhanHubei Central South University ChangshaHunan Centro de Fisica Teorica de Particulas Universidade Tecnica de LisboaLisboa Chengdu KaitengSifang Digital Radio&TV Equipment Co. LtdChengduSichuan China academy of engineering physics MianyangSichuan China building materials academy Beijing China Center of Advanced Science and Technology Beijing China Institute of Atomic Energy Beijing China Jiliang University HangzhouZhejiang China Nuclear Instrument CO. LTDBeijing China University of Geosciences Beijing China University of Geosciences WuhanHubei China University of Mining and Technology XuzhouJiangsu China West Normal University NanchongSichuan Chongqing University Department of PhysicsChongqing Chulalongkorn University Bangkok City University of Hong Kong Department of PhysicsHong Kong Cockcroft Institute Daresbury Cornell University IthacaNY CPPM(AMU/IPhU&CNRS/INP) Marseille Dalian Minzu University DalianLiaoning Dalian University of Technology Department of PhysicsDalian Deutsches Elektronen-Synchrotron DESY Hamburg Dzhelepov Laboratory of Nuclear Problems of Joint Institute for Nuclear Research(DLNP JINR) Dubna East China University Of Science And Technol

The Circular Electron Positron Collider(CEPC)is a large scientific project initiated and hosted by China,fostered through extensive collaboration with international *** complex comprises four accelerators:a 30 GeV Linac,a 1.1 GeV Damping Ring,a Booster capable of achieving energies up to 180 GeV,and a Collider operating at varying energy modes(Z,W,H,and tt).The Linac and Damping Ring are situated on the surface,while the subterranean Booster and Collider are housed in a 100 km circumference underground tunnel,strategically accommodating future expansion with provisions for a potential Super Proton Proton Collider(SPPC).The CEPC primarily serves as a Higgs *** its baseline design with synchrotron radiation(SR)power of 30 MW per beam,it can achieve a luminosity of 5×10^(34)cm^(-2)s^(-1)per interaction point(IP),resulting in an integrated luminosity of 13 ab^(-1)for two IPs over a decade,producing 2.6 million Higgs *** the SR power to 50 MW per beam expands the CEPC's capability to generate 4.3 million Higgs bosons,facilitating precise measurements of Higgs coupling at sub-percent levels,exceeding the precision expected from the HL-LHC by an order of *** Technical Design Report(TDR)follows the Preliminary Conceptual Design Report(Pre-CDR,2015)and the Conceptual Design Report(CDR,2018),comprehensively detailing the machine's layout,performance metrics,physical design and analysis,technical systems design,R&D and prototyping efforts,and associated civil engineering ***,it includes a cost estimate and a preliminary construction timeline,establishing a framework for forthcoming engineering design phase and site selection *** is anticipated to begin around 2027-2028,pending government approval,with an estimated duration of 8 *** commencement of experiments and data collection could potentially be initiated in the mid-2030s.

关键词： initiated exceeding precise

Improvement of mechanical properties of Sn-58Bi alloy with multi-walled carbon nanotubes

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中国有色金属学会会刊：英文版 2012年第S3期22卷 692-696页

作者： HE peng Lü xiao-chun LIN Tie-song LI Hai-xin AN Jing MA Xin feng Ji-cai zhang Yan LI Qi QIAN Yi-yu State Key Laboratory of Advanced Welding and Joining Harbin Institute of Technology Department of Materials Science and Engineering Shenzhen Graduate SchoolHarbin Institute of Technology Yik Shing Tat Industrial Company Limited CNano Technology (Beijing) Limited

Carbon nanotubes (CNTs) reinforced Sn-58Bi composites were successfully fabricated through ball-milling method and low temperature melting *** influence of multi-walled carbon nanotubes (MWCNTs) on the mechanical strength and ductility of Sn-58Bi lead-free alloy was *** mechanical test results show that the bending strength of Sn-58Bi-0.03CNTs (mass fraction,%) composite is increased by 10.5% than that of the Sn-58Bi alloy,which can be attributed to the reduction of Sn-rich segregation and the grain *** toughness of Sn-58Bi-0.03CNTs composite is increased by 48.9% than that of the matrix *** is indicated that the influence of CNTs on the strength of Sn-58Bi-xCNTs composite is *** addition,the fracture mechanism of CNTs reinforced Sn Bi composite was *** corresponding fracture surface comparison between the Sn-58Bi-0.03CNTs composite and the monolithic Sn-58Bi alloy was made to identify the influence of CNTs on the fracture behavior and the reinforcing effect of CNTs.

关键词： carbon nanotubes metal-matrix composites mechanical properties fracture mechanism

Clonal spread of Escherichia coli O101:H9-ST10 and O101:H9-ST167 strains carrying fosA3 and blaCTX-M-14 among diarrheal calves in a Chinese farm,with Australian Chroicocephalus as the possible origin of *** O101:H9-ST10

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Zoological Research 2021年第4期42卷 461-468页

作者： Wan-Yun He Xing-Xing zhang Guo-Long gao Ming-Yi gao fa-Gang Zhong Lu-Chao Lv Zhong-peng cai Xing-feng Si jun Yang Jian-Hua Liu College of Veterinary Medicine South China Agricultural UniversityGuangzhouGuangdong 510642China Guangdong Laboratory for Lingnan Modern Agriculture GuangzhouGuangdong 510642China State Key Laboratory for Sheep Genetic Improvement and Healthy Production Institute of Animal Husbandry and VeterinaryXinjiang Academy of Agricultural and Reclamation ScienceShiheziXinjiang 832000China Zhejiang Tiantong Forest Ecosystem National Observation and Research Station School of Ecological and Environmental SciencesEast China Normal UniversityShanghai 200241China

During a 2018 antimicrobial resistance surveillance of Escherichia coli isolates from diarrheal calves in Xinjiang Province,China,an unexpectedly high prevalence(48.5%)of fosfomycin resistance was *** study aimed to reveal the determinants of fosfomycin resistance and the underlying transmission *** chain reaction(PCR)screening showed that all fosfomycin-resistant *** carried the fosA3 ***-field gel electrophoresis(PFGE)and southern blot hybridization revealed that the 16 fosA3-positive isolates belonged to four different PFGE patterns(i.e.,A,B,C,D).The fosA3 genes of 11 clonally related strains(pattern D)were located on the chromosome,while others were carried by ***-genome and long-read sequencing indicated that the pattern D strains were *** O101:H9-ST10,and the pattern C,B,and A strains were O101:H9-ST167,O8:H30-ST1431,and O101:H9 with unknown ST,*** the pattern C strains,the blaCTX-M-14 gene was co-localized with the fosA3 gene on the F18:A-:B1 ***,phylogenetic analysis based on core genome single nucleotide polymorphisms(cgSNPs)showed that the O101:H9-ST10 strains were closely related to a Australian-isolated Chroicocephalus-origin *** O101:H9-ST10 strain producing CTX-M-14 and FosA3,with a difference of only 11 *** results indicate possible international dissemination of the high-risk *** clone O101:H9-ST10 by migratory birds.

关键词： Clonal spread Bovine fosA3 blaCTX-M-14 O101:H9-ST10 Chroicocephalus

Progress in ceramic materials and structure design toward advanced thermal barrier coatings

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Journal of Advanced Ceramics 2022年第7期11卷 985-1068页

作者： Zhi-Yuan WEI Guo-Hui MENG Lin CHEN Guang-Rong LI Mei-jun LIU Wei-Xu zhang Li-Na ZHAO Qiang zhang xiao-dong zhang chun-Lei WAN Zhi-Xue QU Lin CHEN Jing feng Ling LIU Hui dong Ze-Bin BAO xiao-feng ZHAO xiao-feng zhang Lei GUO Liang WANG Bo CHENG Wei-Wei zhang peng-Yun XU Guan-jun YANG Hong-Neng cai Hong CUI You WANG Fu-Xing YE Zhuang MA Wei PAN Min LIU Ke-song ZHOU Chang-Jiu LI State Key Laboratory for Mechanical Behavior of Materials School of Materials Science and EngineeringXi’an Jiaotong UniversityXi’an 710049China State Key Laboratory for Strength and Vibration of Mechanical Structures Department of Engineering MechanicsSchool of Aerospace EngineeringXi’an Jiaotong UniversityXi’an 710049China Xi’an Aerospace Composite Research Institute Xi’an 710025China AECC Beijing Institute of Aeronautical Materials Beijing 100095China School of Materials Science and Engineering Harbin Institute of TechnologyHarbin 150001China State Key Laboratory of New Ceramics&Fine Processing School of Materials Science and EngineeringTsinghua UniversityBeijing 100084China faculty of Materials and Manufacturing Key Laboratory of Advanced Functional MaterialsEducation Ministry of ChinaFaculty of Materials and ManufacturingBeijing University of TechnologyBeijing 100124China faculty of Materials Science and Engineering Kunming University of Science and TechnologyKunming 650093China School of Materials Science and Engineering Beijing Institute of TechnologyBeijing 100081China Xi’an Key Laboratory of High Performance Oil and Gas Field Materials School of Materials Science and EngineeringXi’an Shiyou UniversityXi’an 710065China Shi-Changxu Innovation Center for Advanced Materials Institute of Metal ResearchChinese Academy of SciencesShenyang 110016China Shanghai Key Laboratory of Advanced High-temperature Materials and Precision Forming Shanghai Jiao Tong UniversityShanghai 200240China National Engineering Laboratory for Modern Materials Surface Engineering Technology the Key Lab of Guangdong for Modern Surface Engineering TechnologyInstitute of New MaterialsGuangdong Academy of SciencesGuangzhou 510650China School of Materials Science and Engineering Tianjin UniversityTianjin 300072China Integrated Computational Materials Research Centre Shanghai Institute of CeramicsChinese Academy of SciencesShanghai 201899China State Key Laboratory of Advanced Processing and Recycling of

Thermal barrier coatings(TBCs)can effectively protect the alloy substrate of hot components in aeroengines or land-based gas turbines by the thermal insulation and corrosion/erosion resistance of the ceramic top ***,the continuous pursuit of a higher operating temperature leads to degradation,delamination,and premature failure of the top *** new ceramic materials and new coating structures must be developed to meet the demand for future advanced TBC *** this paper,the latest progress of some new ceramic materials is first ***,a comprehensive spalling mechanism of the ceramic top coat is summarized to understand the dependence of lifetime on various factors such as oxidation scale growth,ceramic sintering,erosion,and calcium–magnesium–aluminium–silicate(CMAS)molten salt ***,new structural design methods for high-performance TBCs are discussed from the perspectives of lamellar,columnar,and nanostructure *** latest developments of ceramic top coat will be presented in terms of material selection,structural design,and failure mechanism,and the comprehensive guidance will be provided for the development of next-generation advanced TBCs with higher temperature resistance,better thermal insulation,and longer lifetime.

关键词： thermal barrier coatings(TBCs) ceramic material degradation and failure structure design long lifetime