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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

Gas-Particle Flow and Combustion Characteristics of Pulverized Coal Injection in Blast furnace Raceway

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Journal of Iron and Steel Research International 2010年第10期17卷 8-12页

作者： zhang sheng-fu bai chen-guang wen liang-ying qiu gui-bao lu xue-wei College of Materials Science and Engineering Chongqing University Chongqing 400030 China

The two-dimensional steady-state discrete phase mathematical model is developed to analyze gas-particle flow and combustion characteristics of coal particles, as well as components concentration and temperature distribu- tion of coal gas in the process of pulverized coal injection of blast furnace raceway. The results show that a great deal of coal gas discharges on the top of raceway away from the tuyere, and the residence time of coal particles in the re- gion of blowpipe and tuyere is 20 ms or so and 50 ms when it reaches raceway boundary. The pressure is the highest at the bottom of raceway and the maximal temperature is about 2 423 K. The char combustion is mainly carried out in the raceway and the maximum of char burn-out rate attains 3× 10-4 kg/s.

关键词： blast furnaces raceway pulverized coal injection gas-particle flow combustion

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

Searching for^(76)Ge neutrinoless double beta decay with the CDEX-1B experiment

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Chinese Physics C 2024年第10期48卷 11-22页

作者： Bing-Tao zhang Jun-Zheng Wang Li-Tao Yang Qian Yue Ke-Jun Kang Yuan-Jing Li Hai-Peng An C.Greeshma Jian-Ping Chang Yun-huan chen Jian-Ping cheng wen-Han Dai Zhi Deng Chang-Hao Fang Xin-Ping Geng hui Gong qiu-Ju Guo Xu-Yuan Guo Li He sheng-Ming He Jin-wei hu Han-Xiong huang Tu-chen huang Hai-Tao Jia Xi Jiang S.Karmakar Hao-Bin Li Jian-Min Li Jin Li Qian-Yun Li Ren-Ming-Jie Li xue-Qian Li Yu-Lan Li Yi-Fan liang Bin Liao Fong-Kay Lin Shin-Ted Lin Jia-Xuan Liu Shu-Kui Liu Yan-Dong Liu Yu Liu Yuan-Yuan Liu Zhong-Zhi Liu Hao Ma Yu-Cai Mao Qi-Yuan Nie Jin-hua Ning hui Pan Ning-Chun Qi Jie Ren Xi-Chao Ruan Ze She Manoj Kumar Singh Tian-Xi Sun Chang-Jian Tang wei-You Tang Yang Tian guang-fu Wang Li Wang Qing Wang Yu-Feng Wang Yun-Xiang Wang Henry-Tsz-King Wong Shi-Yong Wu Yu-cheng Wu Hao-Yang Xing Rui Xu Yin Xu Tao xue Yu-lu Yan Nan Yi Chun-Xu Yu Hai-Jun Yu Jian-Feng Yue Ming Zeng Zhi Zeng Feng-Shou zhang Lei zhang Zhen-hua zhang Zhen-Yu zhang Kang-Kang Zhao Ming-Gang Zhao Ji-Fang Zhou Zu-ying Zhou Jing-Jun Zhou Key Laboratory of Particle and Radiation Imaging(Ministry of Education)and Department of Engineering Physics Tsinghua UniversityBeijing 100084 Department of Physics Tsinghua UniversityBeijing 100084 Institute of Physics Academia SinicaTaipei 11529 NUCTECH Company Beijing 100084 Yalong River Hydropower Development Company Chengdu 610051 College of Nuclear Science and Technology Beijing Normal UniversityBeijing 100875 College of Physics Sichuan UniversityChengdu 610065 School of Physics Peking UniversityBeijing 100871 Department of Nuclear Physics China Institute of Atomic EnergyBeijing 102413 Sino-French Institute of Nuclear and Technology Sun Yat-sen UniversityZhuhai 519082 School of Physics Nankai UniversityTianjin 300071 Department of Physics Banaras Hindu UniversityVaranasi 221005 Department of Physics Beijing Normal UniversityBeijing 100875

We operated a p-type point contact high purity germanium(PPCGe)detector(CDEX-1B,1.008 kg)in the China Jinping Underground Laboratory(CJPL)for 500.3 days to search for neutrinoless double beta(0νββ)decay of^(76)Ge.A total of 504.3 kg⋅day effective exposure data was *** anti-coincidence and the multi/single-site event(MSE/SSE)discrimination methods were used to suppress the background in the energy region of interest(ROI,1989–2089 keV for this work)with a factor of 23.A background level of 0.33 counts/(keV⋅kg⋅yr)was *** lower limit on the half life of^(76)Ge 0νββdecay was constrained as T_(1/2)^(0ν)>1.0×10^(23)yr(90%C.L.),corresponding to the upper limits on the effective Majorana neutrino mass:<3.2–7.5 eV.

关键词： neutrinoless double beta decay CDEX point-contact germanium detector ^(76)Ge

RNA-Seq profiling of circular RNAs in human colorectal cancer 5-fluorouracil resistance and potential biomarkers

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World Journal of Gastrointestinal Oncology 2022年第3期14卷 678-689页

作者： Pei-qiu cheng Yu-Jing Liu sheng-An zhang lu lu wen-Jun Zhou Dan hu Han-chen Xu guang Ji Institute of Digestive Diseases Longhua HospitalShanghai University of Traditional Chinese MedicineShanghai 200032China Shanghai University of Traditional Chinese Medicine Shanghai 200032China Shanghai Pudong New Area Hospital of Traditional Chinese Medicine Shanghai 200032China

BACKGROUND Colorectal cancer(CRC)is a commonly diagnosed cancer of the digestive system *** chemotherapeutic agents and targeted therapeutic drugs are currently available for CRC treatment,drug resistance is a problem that cannot be ignored and needs to be *** To explore the relationship between circular RNA(circRNA)and CRC drug *** plays a key role in the occurrence and development of cancers,but its function in the process of drug resistance has not been widely *** To explore the role of circRNA in 5-fluorouracil(5-fu)resistance,we performed the circRNA expression profile in two CRC cell lines and their homologous 5-fu resistant cells by high-throughput *** We validated the differentially expressed circRNAs in other two paired CRC cells,confirmed that circ_0002813 and circ_0000236 could have a potential competitive endogenous RNA mechanism and be involved in the formation of 5-fu *** we combined the sequencing results of mRNA to construct the regulatory network of *** Our study revealed that circ_0002813 and circ_0000236 may as the biomarkers to predict the occurrence of 5-fu resistance in CRC.

关键词： Colorectal cancer 5-Fluorouracil resistance Circular RNAs RNA sequencing Network prediction Biomarkers

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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高炉回旋区影响因素的冷态模型研究

系统仿真学报 2008年第19期20卷 5365-5369,5373页

作者：张生富白晨光温良英邱贵宝扈玫珑于要伟重庆大学材料科学与工程学院重庆400030

以重钢5号高炉实际尺寸和操作参数为基础,假设回旋区内的流动为气固两相流动,且气相流动为粘性不可压缩流动,根据相似理论建立了高炉回旋区三维冷态实验模型,分析了回旋区形成机理的影响因素。结果表明:鼓风量、料层属性、料层高度以及... 详细信息

以重钢5号高炉实际尺寸和操作参数为基础,假设回旋区内的流动为气固两相流动,且气相流动为粘性不可压缩流动,根据相似理论建立了高炉回旋区三维冷态实验模型,分析了回旋区形成机理的影响因素。结果表明:鼓风量、料层属性、料层高度以及风口直径对回旋区大小和形状均有影响。随着鼓风量的增大,回旋区深度和高度均不同程度的增加,当风量过大时,回旋区炉料上浮,椭球形的回旋区形状不再存在。回旋区高度随料层高度的逐渐增加而减小。风口直径对回旋区穿透深度的影响较其对高度的影响明显。

关键词：高炉回旋区冷态模型回旋区穿透深度回旋区高度

The first data release(DR1) of the LAMOST regular survey

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Research in Astronomy and Astrophysics 2015年第8期15卷 1095-1124页

作者： A-Li luo Yong-Heng Zhao Gang Zhao Li-Cai Deng Xiao-wei Liu Yi-Peng Jing Gang Wang Hao-Tong zhang Jian-Rong Shi Xiang-Qun Cui Yao-Quan Chu Guo-Ping Li Zhong-Rui bai Yue Wu Yan Cai Shu-Yun Cao Zi-huang Cao Jeffrey L.Carlin Hai-Yuan chen Jian-Jun chen Kun-Xin chen Li chen xue-Lei chen Xiao-Yan chen ying chen Norbert Christlieb Jia-Ru Chu chen-Zhou Cui Yi-Qiao Dong Bing Du Dong-wei Fan Lei Feng Jian-Ning fu Peng Gao xue-Fei Gong Bo-Zhong Gu Yan-Xin Guo Zhan-wen Han Bo-liang He Jin-liang Hou Yong-hui Hou wen Hou Hong-Zhuan hu Ning-sheng hu Zhong-wen hu Zhi-ying huo Lei Jia Fang-hua Jiang Xiang Jiang Zhi-Bo Jiang Ge Jin Xiao Kong Xu Kong Ya-Juan Lei Ai-hua Li Chang-hua Li guang-wei Li Hai-Ning Li Jian Li Qi Li Shuang Li Sha-Sha Li Xin-Nan Li Yan Li Yin-Bi Li Ye-Ping Li Yuan liang Chien-cheng Lin Chao Liu Gen-Rong Liu Guan-Qun Liu Zhi-Gang Liu wen-Zhi lu Yu luo Yin-Dun Mao Heidi Newberg Ji-Jun Ni Zhao-Xiang Qi Yong-Jun Qi Shi-Yin Shen huo-Ming Shi Jing Song Yi-Han Song Ding-Qiang Su Hong-Jun Su Zheng-Hong Tang Qing-sheng Tao Yuan Tian Dan Wang Da-Qi Wang Feng-Fei Wang Guo-Min Wang Hai Wang Hong-Chi Wang Jian Wang Jia-Ning Wang Jian-Ling Wang Jian-Ping Wang Jun-Xian Wang Lei Wang Meng-Xin Wang Shou-Guan Wang Shu-Qing Wang Xia Wang Ya-Nan Wang You Wang Yue-Fei Wang You-Fen Wang Peng wei Ming-Zhi wei Hong Wu Ke-Fei Wu xue-Bing Wu Yu-Zhong Wu Xiao-Zheng Xing Ling-Zhe Xu Xin-Qi Xu Yan Xu Tai-sheng Yan De-hua Yang Hai-Feng Yang hui-Qin Yang Ming Yang Zheng-qiu Yao Yong Yu hui Yuan Hai-Bo Yuan Hai-long Yuan wei-Min Yuan Chao Zhai En-Peng zhang hua-wei zhang Jian-Nan zhang Li-Pin zhang wei zhang Yong zhang Yan-Xia zhang Zheng-Chao zhang Ming Zhao Fang Zhou Xu Zhou Jie Zhu Yong-Tian Zhu Si-cheng Zou Fang Zuo National Astronomical Observatories Chinese Academy of Sciences Department of Astronomy Peking University Shanghai Astronomical Observatory Chinese Academy of Sciences Nanjing Institute of Astronomical Optics & Technology National Astronomical ObservatoriesChinese Academy of Sciences University of Science and Technology of China Department of Physics Applied Physics and AstronomyRensselaer Polytechnic InstituteTroyNY 12180USA Department of Physics and Astronomy Earlham CollegeRichmondIN 47374USA Universitt Heidelberg Zentrum für AstronomieLandessternwarteKnigstuhl 1269117 HeidelbergGermany Department of Astronomy Beijing Normal University Yunnan Observatories Chinese Academy of Sciences Purple Mountain Observatory Chinese Academy of Sciences

The Large sky Area Multi-Object Fiber Spectroscopic Telescope（LAMOST） general survey is a spectroscopic survey that will eventually cover approximately half of the celestial sphere and collect 10 million spectra of stars, galaxies and QSOs. Objects in both the pilot survey and the first year regular survey are included in the LAMOST DR1. The pilot survey started in October 2011 and ended in June 2012, and the data have been released to the public as the LAMOST Pilot Data Release in August 2012. The regular survey started in September 2012, and completed its first year of operation in June 2013. The LAMOST DR1 includes a total of 1202 plates containing 2 955 336 spectra, of which 1 790 879 spectra have observed signalto-noise ratio（SNR） ≥ 10. All data with SNR ≥ 2 are formally released as LAMOST DR1 under the LAMOST data policy. This data release contains a total of 2 204 696 spectra, of which 1 944 329 are stellar spectra, 12 082 are galaxy spectra and 5017 are quasars. The DR1 not only includes spectra, but also three stellar catalogs with measured parameters： late A,FGK-type stars with high quality spectra（1 061 918 entries）, A-type stars（100 073 entries）, and M-type stars（121 522 entries）. This paper introduces the survey design, the observational and instrumental limitations, data reduction and analysis, and some caveats. A description of the FITS structure of spectral files and parameter catalogs is also provided.

关键词： techniques: spectroscopic survey—data release—catalog

Efficacy and safety of sirolimus early conversion protocol in liver transplant patients with hepatocellular carcinoma:A single-arm, multicenter, prospective study

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Hepatobiliary & Pancreatic Diseases International 2022年第2期21卷 106-112页

作者： Ren-Yi Su Sun-Bin Ling Qiao-Nan Shan Xu-Yong wei Rui Wang Chang-Ku Jia Li Zhuang Tian Shen Li-Min Ding Zhi-Dan Xu Lai-Bang luo Li-Bo Sun guang-Ming Li Tai-Shi Fang Nan Jiang Kun zhang Zhao-Jie Su Zhi-Hai Peng Ren Lang Tao Jiang Qiang He Lin-Sen Ye Yang Yang Yu-Ting He wen-Zhi Guo Liu-Gen Lan Xu-Yong Sun Dong chen Zhi-Shui chen Da-wei Zhou Shao-Jun Ye Qi-Fa Ye Min Tian Jian-hua Shi Bo Wang Jiang Liu Qian lu wei Rao Jin-Zhen Cai Tao Lv Jia-Yin Yang Pu-Sen Wang Lin Zhong Jing-sheng Ma Qi-Gen Li sheng-Dong Wu Chang-Jiang lu Cai-De lu Dong-hua zhang Xuan Wang Zi-Qiang Li Mu-Jian Teng Jun-Jie Li wen-Tao Jiang Jian-hua Li Quan-bao zhang Ning-Qi Zhu Zheng-Xin Wang Kang He Qiang Xia Shao-hua Song Zhi-Ren fu wei qiu Guo-Yue Lv Rui-Peng Song Ji-Zhou Wang Zheng Wang Jian Zhou Gang chen ying-Peng Zhao Li Li Ze-Min hu Qi-Jie luo Zhong-Zhou Si Bin Xie Xiao-Shun He Zhi-Yong Guo Shu-Sen Zheng Xiao Xu Department of Hepatobiliary and Pancreatic Surgery The Center for Integrated Oncology and Precision MedicineAffiliated Hangzhou First People’s HospitalZhejiang University School of MedicineHangzhou 310006China NHC Key Laboratory of Combined Multi-organ Transplantation Hangzhou 310003China Department of Hepatobiliary and Pancreatic Surgery Shulan(Hangzhou)HospitalZhejiang Shuren University School of MedicineHangzhou 310022China Department of Hepatobiliary and Pancreatic Surgery The First Affiliated HospitalZhejiang University School of MedicineHangzhou 310003China Department of Transplantation Jiangxi Provincial People’s Hospital Affiliated to Nanchang UniversityNanchang 330006China Liver Transplantation Center Beijing You’an HospitalCapital Medical UniversityBeijing 100069China Department of Hepatic Surgery National Clinical Research Center for Infectious DiseaseShenzhen Third People’s HospitalThe Second Affiliated Hospital of Southern University of Science and TechnologyShenzhen 518112China Department of General Surgery Xiang’an Hospital of Xiamen UniversityXiamen 361000China Deartment of Hepatobiliary and Pancreaticosplenic Surgery Beijing Chaoyang HospitalCapital Medical UniversityBeijing 100020China Department of Hepatic Surgery and Liver Transplantation Center The Third Affiliated Hospital of Sun Yat-sen UniversityGuangzhou 510630China Department of Hepatobiliary and Pancreatic Surgery The First Affiliated Hospital of Zhengzhou UniversityZhengzhou 450052China Department of Liver Transplantation The Second Affiliated Hospital of Guangxi Medical UniversityNanning 530000China Institute of Organ Transplantation Tongji HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430030China Institute of Hepatobiliary Diseases of Wuhan University Transplant Center of Wuhan UniversityHubei Key Laboratory of Medical Technology on TransplantationZhongnan Hospital of Wuhan UniversityWuhan 430071China Department of Hepatobiliary Surgery The First Affiliated Hos

Mammalian target of rapamycin(m TOR) inhibitor as an attractive drug target with promising antitumor effects has been widely investigated. High quality clinical trial has been conducted in liver transplant(LT) recipients in Western countries. However, the pertinent studies in Eastern world are paucity. Therefore, we designed a clinical trial to test whether sirolimus can improve recurrence-free survival(RFS) in hepatocellular carcinoma(HCC) patients beyond the Milan criteria after LT. This is an open-labeled, single-arm, prospective, multicenter, and real-world study aiming to evaluate the clinical outcomes of early switch to sirolimus-based regimens in HCC patients after LT. Patients with a histologically proven HCC and beyond the Milan criteria will be enrolled. The initial immunosuppressant regimens are center-specifc for the frst 4-6 weeks. The following regimens integrated sirolimus into the regimens as a combination therapy with reduced calcineurin inhibitors based on the condition of patients and centers. The study is planned for 4 years in total with a 2-year enrollment period and a 2-year follow-up. We predict that sirolimus conversion regimen will provide survival benefts for patients particular in the key indicator RFS as well as better quality of life. If the trial is conducted successfully, we will have a continued monitoring over a longer follow-up time to estimate indicator of overall survival. We hope that the outcome will provide better evidence for clinical decision-making and revising treatment guidelines based on Chinese population data.

关键词： Sirolimus Immunosuppressive agents Hepatocellular carcinoma Liver transplantation Conversion