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Flutter of Finite-Span Flexible Plates in Uniform Flow

Chinese Physics Letters 2010年第6期27卷 126-128页

作者： bao chun-yu tang chao yin xie-zhen lu xi-yun Department of Modern Mechanics University of Science and Technology of China Hefei 230027

The flutter instability and response of finite-span flexible plates in uniform flow are investigated experimentally. The effects of the plate aspect ratio on its dynamic responses are mainly analyzed. A hysteretic phenomenon is observed and can be described such that the plate flutters spontaneously as the flow velocity is greater than a critical value UC and the plate returns to its stable state as the flow velocity is slowly decreased to another critical one UD. We find that the aspect ratio has a greater effect on UC than on UD. The flutter frequency decreases and the amplitude increases with the increase in the flow velocity. When the flutter instability of the plate occurs, three typical flutter modes are identified and are associated with the aspect ratio and the flow velocity.

关键词： FluTTER (Aerodynamics) PLATES (Engineering) AERODYNAMICS HYSTERESIS FluID dynamics

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The Lyman-alpha Solar Telescope(LST) for the ASO-S mission——Ⅱ. design of LST

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Research in Astronomy and Astrophysics 2019年第11期19卷 33-48页

作者： Bo Chen Hui Li Ke-Fei Song Quan-Feng Guo Pei-Jie Zhang Ling-Ping He Shuang Dai xiao-Dong Wang Hai-Feng Wang chun-Long Liu Hong-Ji Zhang Guang Zhang yunqi Wang Shi-Jie Liu Hong-xin Zhang Lei Liu Shi-Lei Mao Yang Liu Jia-Hao Peng Peng Wang Liang Sun Yang Liu zhen-Wei Han Yan-Long Wang Kun Wu Guang-xing Ding Peng Zhou xin zheng Ming-Yi xia Qing-Wen Wu Jin-Jiang xie Ya Chen Shu-Mei Song Hong Wang Bo Zhu Chang-Bo Chu Wen-Gang Yang Li Feng yu Huang Wei-Qun Gan ying Li Jing-Wei Li Lei lu Jian-chao Xue Bei-Li ying Ming-Zhe Sun Cheng Zhu Wei-Min bao Lei Deng Zeng-Shan yin Changchun Institute of Optics FineMechanics and PhysicsChinese Academy of SciencesChangchun 130033China State Key Laboratory of Applied Optics Changchun 130033China Key Laboratory of Dark Matter and Space Astronomy Purple Mountain ObservatoryChinese Academy of SciencesNanjing 210034China School of Astronomy and Space Science University of Science and Technology of ChinaHefei 230026China xi’an Institute of Optics and Precision Mechanics Chinese Academy of SciencesXi’an 710119China Shandong University Weihai 264209China Innovation Academy for Microsatellites Chinese Academy of SciencesShanghai 201210China

As one of the three payloads for the Advanced Space-based Solar Observatory(ASO-S)mission,the Lyman-alpha(Lyα)Solar Telescope(LST)is composed of three instruments:a Solar Corona Imager(SCI),a LyαSolar Disk Imager(SDI)and a full-disk White-light Solar Telescope(WST).When working in-orbit,LST will simultaneously perform high-resolution imaging observations of all regions from the solar disk to the inner corona up to 2.5 R⊙(R⊙stands for the mean solar radius)with a spatial resolution of 4.8′′and 1.2′′for coronal and disk observations,respectively,and a temporal resolution of 30–120 s and 1–120 s for coronal and disk observations,*** maximum exposure time can be up to20 s due to precise pointing and image stabilization *** the three telescopes of LST,SCI is a dual-waveband coronagraph simultaneously and independently observing the inner corona in the HI Lyα(121.6±10 nm)line and white light(WL)(700±40 nm)wavebands by using a narrowband Lyαbeam splitter and has a field of view(FOV)from 1.1 to 2.5 R⊙.The stray-light suppression level can attainxis two-mirror reflective structure with an FOV up to 1.2 R⊙,covering the inner coronal edge area and relating to coronal *** present the up-to-date design for the LST payload.

关键词： telescopes—instrumentation high angular resolution—Sun flares—Sun coronal mass ejections(CMEs)—Sun UV radiation

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Molecular dissection of the phenylpropanoid-flavonoid-proanthocyanidin compound pathway from Brassica species

Molecular dissection of the phenylpropanoid-flavonoid-proant...

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重庆市生物化学与分子生物学学术会议

作者： You-Rong Chai,Jia-Na Li,Jun-lu,Bo Lei,An-He Chen,yu Ni,Bo Li,Kai Zhang,Ben-Bo Xu,Li-Juan Ma, Juan Du,Di Zhang,Rui yin,Shu-Ling Di,yun-Liang Wei,xiao-chun lu,Wen-Jun Zhao,Hong Leng, Hua-Lei Huang,Ling-Li xie,Bei-Bei Lin,Yan-zhen Dong,yu Feng,yu-Ming Wang,Fan-Min Meng, Wei-Ran Zhong,Kun lu,Jia-Ming yin,Zhang-Lin tang,Rui Wang,Li Chen,ying Liang,Qing-yuan Zhou, Guang-Wei Yang,Guan-Rong Li,Lie-Zhao Liu,xin-Fu Xu,yun-Tao Li,Cheng-Jun Yang,and Zi-chao Zhu (Chongqing Rapeseed Technology Research Center Chongqing Key Laboratory of Crop Quality Improvement Key Lab of Biotechnology & Crop Quality Improvement of Ministry of Agriculture College of Agronomy and Biotechnology,Southwest University,Chongqing 400716)

Brassica species especially"amphidiploid"*** and its"diploid"parental species *** and B. oleracea are indispensable oilseed,vegetable or ornamental crops *** phenylpropanoid compound pathway produces one of the largest groups of plant secondary metabolites of important biological,agronomic,and even medicinal *** example,flavonols,anthocyanins,

关键词： Brassica napus Brassica oleracea Brassica rapa Comparative genomics Flavonoid Molecular evolution Pathway Phenylpropanoid Proanthocyanidin

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Consensus statement on layout and delivery of automatic external defibrillator in China

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Journal of Hainan Medical University 2020年第15期26卷 18-23页

作者： yu Cao Song Chen Yan-Fen Chai xiao-Hui Chen yu-Guo Chen Shao-Wen Cheng Wen-Wei Cheng Bang-Han Ding Yang Deng Jie Fu Bang-Jiang Fang Mai-ying Fan Li Gui Ping Gong Wei Guo Shu-Bin Guo Liang Huang Ji-yuan Han Zhong Ji xian-Fei Ji xin-Cai Ji Hong-Xu Jin xin-Jun Jiang Wang-xiang Jiang Jia-Liang Liu xiao-Ran Liu Zhi Liu Chuan-Zhu Lv Feng lu Tan-Shi Li xin Li Yong Li Shang-lun Li Shuang-Ming Li xiao-Gang Li bao-Jun Li Pei-Wu Li chun-Sheng Li Zhi-Jun Li Chang-luo Li xiang-Min Li yin-Ping Li Zong-Jun lu Zu-Xun lu Zhong-Qiu lu Zhi-Qian luo xiao-xing Liao Jian-Bo Lei Tao Ma yu Ma yue-Feng Ma Qing-Bian Ma Lin-Hao Ma Jun-Qi Ma Shi-Nan Nie Jie-Miao Ou-Yang Peng Peng Qiao Pei Shu-Ming Pan Guo-Zhong Qing Li-Jie Qin Wu-ying Qiao Fei Shao Wei Song xing-yue Song zhen-Ju Song Rong-Ju Sun De-Ya Shang Du-Juan Sha Gui-Lan Tao Guo-Gang Tian ying-Ping Tian Jian-Guang Tian chao-Yang Tong Zi-Ren tang Meng-xiong tang Guo-Ping Wu Zhi Wan Tao Wang xin Wang Peng Wang Zhong Wang Tong Wang Ri-xing Wang Yi-xin Wang xiao-Dan Wang Ling Wu Wei Wei Hua xiang Feng Xu Jun Xu Jie Xu Miao-Rong xie Shuo-Gui Xu Tie Xu Feng yu Wen Yi Li-Shan Yang Shi-Jiao Yan Jin-Jian Yao Shou-chun Yan Xue-Zhong yu xian-Zhi Ye xian-Liang Yan Fu-Bing Zhou Rong-Bin Zhou Ming Zhou Qiang Zhou Jin Zhou Ping Zhou Chang-Ju Zhu Hua-Dong Zhu Ji-Hong Zhu Hong Zhang Mao Zhang Hua Zhang Na Zhang Guo-Qiang Zhang Guo-xiu Zhang Jin-Song Zhang Wen-Wu Zhang Wen-Zhong Zhang Jian-Feng Zhang Yi-Min Zhu Jun Zeng yuan zheng Zhi-Jie zheng Shen Zhao Yan Zhao Min Zhao Bin Zhao xiao-Dong Zhao xiao-Jing Zhao Hong-Ke Zeng Sheng-Qiang Zou The Chinese Society of Emergency Medicine Research Unit of Island Emergency Medicine Chinese Academy of Medical SciencesHainan Medical University Key Laboratory of Emergency and Trauma of Ministry of Education Hainan Medical UniversityHaikouHainanChina Emergency and Trauma College Hainan Medical UniversityHaikouHainanChina Department of Emergency Hainan Clinical Research Center for Acute and Critical DiseasesThe Second Affiliated Hospital of Hainan Medical UniversityHaikouHainanChina Key Laboratory of Hainan Trauma and Disaster Rescue Key Laboratory of Trauma of Hainan Medical University

*** Sudden cardiac death(SCD)refers to sudden death due to a variety of cardiac *** is manifested as a sudden loss of consciousness,cardiac arrest,and respiratory arrest and generally shows early symptoms that are atypical and not easily detected[1].According to a recent study,nearly 544000 patients suffer from SCD every year in China[2].

关键词： cardiac death respiratory

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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

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