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Design and tests of the prototype a beam monitor of the CSR external target experiment

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Nuclear Science and Techniques 2022年第3期33卷 137-151页

作者： Hu-Lin Wang Zhen Wang Chao-Song Gao jian-wei Liao Xiang-ming Sun Hai-Bo Yang Cheng-Xin zhao Jun Liu Peng Ma Zi-Li Li Bi-Hui You Ping Yang Di guo Le Xiao Dong-Liang zhang Yue-zhao zhang Sheng Dong Wan-han feng Yu-Xin Qiao Zheng-Yu Hu Qing-Wen Ye Zeng-tao guo Guang-ming Huang feng Liu PLAC Key Laboratory of Quark and Lepton Physics(MOE)Central China Normal UniversityWuhan 430079China Hubei Provincial Engineering Research Center of Silicon Pixel Chip&Detection Technology Wuhan 430079China School of Physics and Electronic Science Guizhou Normal UniversityGuiyang 550001China Institute of Modern Physics Chinese Academy of SciencesLanzhou 730000China

A prototype beam monitor was designed to provide tracking information for heavy-ion projectiles for the cool storage ring(CSR)external target experiment(CEE)at the Heavy Ion Research Facility in Lanzhou(HIRFL).High granularity and direct charge sensing are the main features of this *** measures the beam position in a two-dimensional(2D)plane transverse to the beam direction on an event-by-event *** current design consists of two field cages inside a single vessel that operates independently and has electrical drift fields in orthogonal *** tests of the prototype were performed using a^(241)Am a *** results show that a spatial resolution of less than 40μm and a time resolution of less than 600 ns can be achieved.

关键词： CEE Beam monitor Heavy ion Topmetal sensor Tracking Field cage

SAPT:a synchrotron-based proton therapy facility in Shanghai

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Nuclear Science and Techniques 2023年第10期34卷 36-46页

作者： Man-Zhou zhang De-ming Li Li-Ren Shen Hai-Rong zhang Zhi-Ling Chen han-Wen Du ming Gu Rui Li De-Kang Liu Yue-Hu Pu Jun-feng Yu jian-feng Chen Chu Chen Chun-Long guo Hao guo ge-Yang jiang Zhi-Qiang jiang Lin Jin Wen-Jing Li Xiu-Fang Li Ye Lin ming Liu Yong-Hao Liu Ya-Juan Liu ming Lv Qing-Ru Mi Lian-Hua Ouyang wei-guo Shi hang Shu Qi-Sheng Tang Kun Wang Zhi-Shan Wang Jun wu Xiao-Bing wu Jia-Qiang Xu Wen-Zhen Xu Chong-Xian Yin Cheng Yu Ren-Xian Yuan Qi-Bing Yuan Hai-Qun zhang Miao zhang Wen-Zhi zhang Li-Ying zhao wei-min Zhou Shou-Xian Fang Xi-Dong Sun Zhen-Tang zhao Shanghai Institute of Applied Physics Chinese Academy of SciencesShanghai 201800China Shanghai Advanced Research Institute Chinese Academy of SciencesShanghai 201204China APACTRON Particle Equipment Co. Ltd.Shanghai 201815China The Institute of High Energy Physics Chinese Academy of SciencesBeijing 100049China

Because of its excellent dose distribution,proton therapy is becoming increasingly popular in the medical application of cancer treatment.A synchrotron-based proton therapy facility was designed and constructed in *** synchrotron,beam delivery system,and other technical systems were commissioned and reached their expected *** a clinical trial of 47 patients was finished,the proton therapy facility obtained a registration certificate from the National Medical Products *** characteristics of the accelerator and treatment systems are described in this article.

关键词： Proton therapy Synchrotron Slow extraction Gantry Beam delivery system

Recent progress of integrated circuits and optoelectronic chips

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Science China(Information Sciences) 2021年第10期64卷 103-135页

作者： Yue HAO Shuiying XIANG genquan han Jincheng zhang Xiaohua MA zhangming ZHU Xingxing guo Yahui zhang Yanan han Ziwei SONG Yan LIU Ling YANG Hong ZHOU jiangyi SHI wei zhang min XU weisheng zhao Biao PAN Yangqi HUANG Qi LIU Yimao CAI jian ZHU Xin OU Tiangui YOU Huaqiang wu Bin GAO Zhiyong zhang guoping guo Yonghua CHEN Yong LIU Xiangfei CHEN Chunlai XUE Xingjun WANG Lixia zhao Xihua ZOU Lianshan YAN ming LI School of Microelectronics Xidian University State Key Laboratory of Integrated Service Networks Xidian University National Integrated Circuit Innovation Center School of Microelectronics Fudan University School of Integrated Circuit Science and Engineering Beihang University China Center for Information Industry Development Frontier Institute of Chip and System Fudan University Institute of Microelectronics Peking University Nanjing Electronic Devices Institute State Key Laboratory of Functional Material for Informatics Shanghai Institute of Microsystem and Information Technology Chinese Academy of Sciences Institute of Microelectronics Tsinghua University Center for Carbon-based Electronics Department of Electronics Peking University CAS Key Laboratory of Quantum Information University of Science and Technology of China CAS Center for Excellence and Synergetic Innovation Center in Quantum Information and Quantum Physics University of Science and Technology of China Origin Quantum Computing Company Limited Key Laboratory of Flexible Electronics & Institute of Advanced Materials Nanjing Tech University State Key Laboratory of Electronic Thin Films and Integrated Devices School of Optoelectronic Science and EngineeringUniversity of Electronic Science and Technology of China National Laboratory of Solid State Microstructures & College of Engineering and Applied Sciences Nanjing University State Key Laboratory on Integrated Optoelectronics Institute of Semiconductors Chinese Academy of Sciences Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of Sciences State Key Laboratory of Advanced Optical Communication Systems and Networks School of Electronics Engineering and Computer Science Peking University School of Electrical and Electronic Engineering Tiangong University Center for Information Photonics and Communications School of Information Science and TechnologySouthwest Jiaotong University School of Electronic Electrical and Communication Engineering

Integrated circuits(ICs) and optoelectronic chips are the foundation stones of the modern information society. The IC industry has been driven by the so-called "Moore’s law" in the past 60 years, and now has entered the post Moore’s law era. In this paper, we review the recent progress of ICs and optoelectronic chips. The research status, technical challenges and development trend of devices, chips and integrated technologies of typical IC and optoelectronic chips are focused on. The main contents include the development law of IC and optoelectronic chip technology, the IC design and processing technology, emerging memory and chip architecture, brain-like chip structure and its mechanism, heterogeneous integration, quantum chip technology, silicon photonics chip technology, integrated microwave photonic chip, and optoelectronic hybrid integrated chip.

关键词： integrated circuit semiconductor science and technology optoelectronic device and chip photonic integrated circuit wide bandgap semiconductors silicon photonics hybrid integration quantum chip integrated microwave photonic photonic neural computing

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Measurement of the neutron total cross section of carbon at the Back-n white neutron beam of CSNS

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Nuclear Science and Techniques 2019年第9期30卷 73-82页

作者： Xing-Yan Liu Yi-wei Yang Rong Liu Jie Wen Zhong-wei Wen Zi-Jie han Zhi-Zhou Ren Qi An Huai-Yong Bai Jie Bao Ping Cao Qi-Ping Chen Yong-Hao Chen Pin-Jing Cheng Zeng-Qi Cui Rui-Rui Fan Chang-Qing feng min-Hao Gu feng-Qin guo Chang-Cai han guo-Zhu He Yong-Cheng He Yue-feng He han-Xiong Huang wei-Ling Huang Xi-Ru Huang Xiao-Lu Ji Xu-Yang Ji Hao-Yu jiang wei jiang han-tao Jing Ling Kang ming-tao Kang Bo Li Lun Li Qiang Li Xiao Li Yang Li Yang Li Shu-Bin Liu Guang-Yuan Luan Ying-Lin Ma Chang-Jun Ning Bin-Bin Qi Jie Ren Xi-Chao Ruan zhao-Hui Song Hong Sun Xiao-Yang Sun Zhi-Jia Sun Zhi-Xin Tan Hong-Qing Tang Jing-Yu Tang Peng-Cheng Wang Qi Wang tao-feng Wang Yan-feng Wang zhao-Hui Wang Zheng Wang Qing-Biao wu Xiao-Guang wu Xuan wu Li-Kun Xie han Yi Li Yu tao Yu Yong-Ji Yu guo-Hui zhang Jing zhang Lin-Hao zhang Li-Ying zhang Qing-min zhang Qi-wei zhang Xian-Peng zhang Yu-Liang zhang Zhi-Yong zhang Ying-Tan zhao Liang Zhou Zu-Ying Zhou Dan-Yang Zhu Ke-Jun Zhu Peng Zhu Institute of Nuclear Physics and Chemistry China Academy of Engineering Physics State Key Laboratory of Particle Detection and Electronics Chinese Academy of Sciences(CAS) Department of Modern Physics University of Science and Technology of China State Key Laboratory of Nuclear Physics and Technology School of PhysicsPeking University Key Laboratory of Nuclear Data China Institute of Atomic Energy Institute of High Energy Physics Chinese Academy of Sciences(CAS) Spallation Neutron Source Science Center University of South China Northwest Institute of Nuclear Technology Department of Engineering and Applied Physics University of Science and Technology of China Beihang University Xi’an Jiaotong University

To verify the performance of the neutron total cross-sectional spectrometer, the neutron total cross section of carbon is initially measured in the energy range of 1 eV to 20 MeV using the time-of-flight method. The measurement is performed at the Back-n white neutron source with a 76-m time-of-flight path using the China Spallation Neutron Source. A multilayer fast fission chamber with 235U and 238U is employed as the neutron detector. The diameter and thickness of the natural graphite sample are 70 mm and 40 mm, respectively. Signal waveforms are collected using a data acquisition system. Off-line data processing was used to obtain the neutron time-of-flight spectra and transmissions. The uncertainty of the counting statistics is generally approximately 3% for each bin in the energy range of 1–20 MeV. It is determined that the results for the neutron total cross section of carbon obtained using ^235U cells are in good agreement with the results obtained using 238U cells within limits of statistical uncertainty. Moreover, the measured total cross sections show good agreement with the broadening evaluated data.

关键词： CSNS Back-n white neutron source NTOX Neutron total cross section Carbon Multilayer fast fission chamber

Frontiers in high entropy alloys and high entropy functional materials

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Rare Metals 2024年第10期43卷 4639-4776页

作者： Wen-tao zhang Xue-Qian Wang feng-Qi zhang Xiao-Ya Cui Bing-Bing Fan Jia-ming guo Zhi-min guo Rui Huang Wen Huang Xu-Bo Li Meng-Ru Li Yan Ma Zhi-Hua Shen Yong-Gang Sun De-Zhuang Wang Fei-Yang Wang Li-Qiang Wang Nan Wang Tian-Li Wang wei Wang Xiao-Yang Wang Yi-han Wang Fu-Jie Yu Yu-Zhen Yin Ling-Kun zhang Yi zhang jian-Yang zhang Qi zhao Yu-Ping zhao Xin-Dong Zhu Yasir Sohail Ya-Nan Chen tao feng Qi-Long Gao Hai-Yan He Yong-jiang Huang Zeng-Bao Jiao Hua Ji Yao jiang Qiang Li Xiao-ming Li wei-Bing Liao Huai-Jun Lin Hui Liu Qi Liu Qing-feng Liu wei-Di Liu Xiong-Jun Liu Yang Lu Yi-Ping Lu Wen Ma Xue-Fei Miao Jie Pan Qing Wang Hong-Hui wu Yuan wu tao Yang wei-ming Yang Qian Yu Jin-Yu zhang Zhi-Gang Chen Liang Mao Yang Ren Bao-Long Shen Xun-Li Wang Zhe Jia He Zhu Zhen-Duo wu Si Lan School of Materials Science and Engineering Nanjing University of Science and TechnologyNanjing 210094China jiangsu Key Laboratory for Advanced Metallic Materials School of Materials Science and EngineeringSoutheast UniversityNanjing 211189China Department of Physics City University of Hong KongHongKong 999077China School of Materials Science and Engineering Tianjin UniversityTianjin 300072China School of Physics and Microelectronics Zhengzhou UniversityZhengzhou 450001China Department of Mechanical Engineering Research Institute for Advanced ManufacturingThe Hong Kong Polytechnic UniversityHong Kong 100872China Center of Electron Microscopy and State Key Laboratory of Silicon Materials School of Materials Science and EngineeringZhejiang UniversityHangzhou 310027China Key Laboratory of Solidification Control and Digital Preparation Technology(Liaoning Province) School of Materials Science and EngineeringDalian University of TechnologyDalian 116024China Institute of Advanced Wear&Corrosion Resistance and Functional Materials Jinan UniversityGuangzhou 510632China School of Mechanics and Civil Engineering China University of Mining and TechnologyXuzhou 221116China School of Physical Sciences Great Bay UniversityDongguan 523000China School of Materials Science and Engineering Harbin Institute of TechnologyHarbin 150001China State Key Laboratory of Materials-Oriented Chemical Engineering College of Chemical EngineeringNanjing Tech UniversityNanjing 211816China Beijing Advanced Innovation Center for Materials genome Engineering Research Institute for Carbon NeutralityUniversity of Science and Technology BeijingBeijing 100083China Department of Mechanical Engineering The University of Hong KongHong Kong 999077China School of Computing Macquarie UniversitySydney 2113Australia Key Laboratory of Optoelectronic Devices and Systems of ministry of Education and Guangdong Province College of Physics and Optoelectronic EngineeringShenzhen UniversityShenzhen 518060China State Key Laborato

Owing to their exceptional properties,high-entropy alloys(HEAs)and high-entropy materials have emerged as promising research areas and shown diverse ***,the recent advances in the field are comprehensively reviewed,organized into five *** first section introduces the background of HEAs,covering their definition,significance,application prospects,basic properties,design principles,and *** subsequent section focuses on cutting-edge high-entropy structural materials,highlighting developments such as nanostructured alloys,grain boundary engineering,eutectic systems,cryogenic alloys,thin films,micro-nano-lattice structures,additive manufacturing,high entropy metallic glasses,nano-precipitate strengthened alloys,composition modulation,alloy fibers,and refractory *** the following section,the emphasis shifts to functional materials,exploring HEAs as catalysts,magneto-caloric materials,corrosion-resistant alloys,radiation-resistant alloys,hydrogen storage systems,and materials for ***,the review encompasses functional high-entropy materials outside the realm of alloys,including thermoelectric,quantum dots,nanooxide catalysts,energy storage materials,negative thermal expansion ceramics,and high-entropy wave absorption *** paper concludes with an outlook,discussing future directions and potential growth areas in the *** this comprehensive review,researchers,engineers,and scientists may gain valuable insights into the recent progress and opportunities for further exploration in the exciting domains of high-entropy alloys and functional materials.

关键词： High entropy alloys Cutting-edge structural materials Cutting-edgefunctional materials

Clinical trial with traditional Chinese medicine intervention ''tonifying the kidney to promote liver regeneration and repair by affecting stem cells and their microenvironment'' for chronic hepatitis B-associated liver failure

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World Journal of Gastroenterology 2014年第48期20卷 18458-18465页

作者： han-min Li Zhi-Hua Ye Jun zhang Xiang Gao Yan-ming Chen Xin Yao jian-Xun Gu Lei Zhan Yang Ji jian-Liang Xu Ying-He Zeng Fan Yang Lin Xiao guo-Guang Sheng wei Xin Qi Long Qing-Jing Zhu zhao-Hong Shi Lian-guo Ruan Jia-Yao Yang Chang-Chun Li Hong-Bin wu Sheng-Duo Chen Xin-La Luo Hepatopathy Institute Affiliated Hospital of Hubei University of Chinese Medicine Hubei University of Chinese Medicine Jingzhou Hospital of Traditional Chinese Medicine Tianjin Key Laboratory for Modern Drug Delivery and High-Efficiency School of Pharmaceutical Science and Technology Tianjin University

AIM:To study the clinical efficacy of traditional Chinese medicine(TCM)intervention"tonifying the kidney to promote liver regeneration and repair by affecting stem cells and their microenvironment"("TTK")for treating liver failure due to chronic hepatitis ***:We designed the study as a randomized controlled clinical *** number of Chinese Clinical Trial Registry is Chi CTR-TRC-12002961.A total of 144 patients with liver failure due to infection with chronic hepatitis B virus were enrolled in this randomized controlled clinical *** were randomly assigned to the following three groups:(1)a modern medicine control group(MMC group,36patients);(2)a"tonifying qi and detoxification"("TQD")group(72 patients);and(3)a"tonifying the kidney to promote liver regeneration and repair by affecting stem cells and their microenvironment"("TTK")group(36patients).Patients in the MMC group received general internal medicine treatment;patients in the"TQD"group were given a TCM formula"tonifying qi and detoxification"and general internal medicine treatment;patients in the"TTK"group were given a TCM formula of"TTK"and general internal medicine *** participants were treated for 8 wk and then followed at 48 wk following their final *** primaryefficacy end point was the patient fatality rate in each *** of various virological and biochemical indicators served as secondary *** one-way analysis of variance and the t-test were used to compare patient outcomes in the different treatment ***:At the 48-wk post-treatment time point,the patient fatality rates in the MMC,"TQD",and"TTK"groups were 51.61%,35.38%,and 16.67%,respectively,and the differences between groups were statistically significant(P0.05).Patients in the"TTK"group had significantly higher levels of serum to

关键词： Clinical study 'Tonifying the kidney to promote liver regeneration and repair by affecting stem cells and their microenvironment'('TTK') Liver regeneration Treatment with integrated traditional and Western medicine Chronic hepatitis B-associated liver failure

Application of next generation sequencing in the screening of monogenic diseases in China,2021:a consensus among Chinese newborn screening experts

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World Journal of Pediatrics 2022年第4期18卷 235-242页

作者： Fan Tong jian Wang Rui Xiao Bing-Bing wu Chao-Chun Zou Ding-Wen wu Hua Wang Hui Zou Lian-Shu han Lin Yang Lin Zou ming-Yan Hei Ru-Lai Yang Tian-ming Yuan wei Wen Xin-Wen Huang Xue-Fan Gu Yan-Ling Yang Yong-Lan Huang Yong-Jun zhang Yong-guo Yu Zheng-feng Xu Wen-Hao Zhou Zheng-Yan zhao Children’s Hospital Zhejiang University School of MedicineNational Clinical Research Center for Child Health3333 Binsheng RoadBinjiang DistrictHangzhou 310052China Shanghai Children’s Medical Center Shanghai Jiaotong University School of MedicineShanghaiChina National Engineering Laboratory for Key Technology of Birth Defect Control and Prevention Screening and Diagnostic R and D CenterHangzhouChina Center for Molecular Medicine Children’s Hospital of Fudan University399 Wan Yuan RoadMin Xing DistrictShanghai 200000China National Health Commission Key Laboratory for Birth Defect Research and Prevention Maternal and Child Health Hospital of Hunan ProvinceChangshaChina Jinan Maternity and Child Care Hospital Affiliated To Shandong First Medical University JinanChina Xinhua Hospital Shanghai Institute for Pediatric ResearchShanghai Jiao Tong University School of MedicineShanghaiChina Clinical genetic Center Children’s Hospital of Fudan UniversityShanghaiChina Children’s Hospital Shanghai Jiaotong UniversityShanghaiChina Neonatal Center Beijing Children’s HospitalCapital Medical UniversityBeijingChina Affiliated Shenzhen Maternity and Child Healthcare Hospital Southern Medical UniversityShenzhenChina Xinhua Hospital School of MedicineShanghai Jiaotong UniversityShanghaiChina Peking University First Hospital BeijingChina Guangzhou Women and Children’s Medical Center GuangzhouChina Center of genetic Medicine Women’s Hospital of Nanjing Medical UniversityNanjing Maternity and Child Health Care HospitalNanjingChina

Newborn screening(NBS)refers to a maternal and newborn healthcare technology,in which special examinations of congenital and genetic diseases that could seriously impact the health of newborns,are implemented during the neonatal period to provide early diagnosis and treatment[1].With a history of more than 60 years,NBS has advanced greatly due to technological progress resulting in significant improvement in the number of diseases covered by NBS and in screening efficiency[2-7].

关键词： diseases diagnosis congenital

Data processing and data products from 2017 to 2019 campaign of astronomical site testing at Ali,Daocheng and Muztagh-ata

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Research in Astronomy and Astrophysics 2020年第6期20卷 109-130页

作者： Zi-Huang Cao Jin-Xin Hao Lu feng Hugh RAJones jian Li Jing Xu Li-Yong Liu Teng-Fei Song jian-feng Wang Hua-Lin Chen Yan-Jie Xue Huang Shen Yong-Heng zhao zhao-Xiang Qi jian-Rong Shi Yuan Tian Zheng Wang Xia Wang Jin-Liang Hou Jin-ming Bai Ji Yang Xu Zhou Yong-Qiang Yao Jia Yin Ali Esamdin Guang-Xin Pu Peng wei Chun-Hai Bai guo-Jie feng Lu Ma Xuan zhang Yu Liu Chong Pei Zhi-Xia Shen Yun-Ying jiang jian-feng Tian Xian-Qun Zeng Zhi-Gang Hou Xu Yang Jun-Bo zhang Shi-Long Liao Dong-wei Fan Yun-Fei Xu jian-Ping Xiong Tai-Sheng Yan Xi zhang Chang-Hua Li Yi-han tao Si-Cheng Yu Zhi-Song Cao Hong-Shuai Wang National Astronomical Observatories Chinese Academy of SciencesBeijing 100101China University of Chinese Academy of Sciences Beijing 100049China Shanghai Astronomical Observatory Chinese Academy of SciencesShanghai 200030China Centre for Astrophysics University of HertfordshireHatfieldUK School of Journalism Communication University of ChinaBeijing 100024China Nanjing Institute of Astronomical Optics&Technology Chinese Academy of SciencesNanjing 210042China Xinjiang Astronomical Observatory Chinese Academy of SciencesUrumqi 830011China Yunnan Observatories Chinese Academy of SciencesKunming 650216China Purple Mountain Observatory Chinese Academy of SciencesNanjing 210033China Beijing Kaiyang Space Technology Co. LtdBeijing 100085China

Based on previous site testing and satellite cloud data,Ali,Daocheng and Muztagh-ata have been selected as candidate sites for the Large Optical/Infrared Telescope(LOT) in *** present the data collection,processing,management and quality analysis for our site testing based on using similar *** analyze meteorological data,seeing,background light,cloud and precipitable water vapor data from 2017 March 10 to 2019 March *** also investigated the relative usefulness of our all-sky camera data in comparison to that from the meteorological TERRA satellite data based on a night-by-night comparison of the correlation and consistency between *** find a 6% discrepancy arising from a wide range of factors.

关键词： LOT Site-selection-data processing

Timing analysis of the black hole candidate EXO 1846–031 with Insight-HXMT monitoring

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Research in Astronomy and Astrophysics 2021年第3期21卷 193-204页

作者： He-Xin Liu Yue Huang Guang-Cheng Xiao Qing-Cui Bu Jin-Lu Qu Shu zhang Shuang-Nan zhang Shu-Mei Jia Fang-Jun Lu Xiang Ma Lian tao wei zhang Li Chen Li-ming Song Ti-Pei Li Yu-Peng Xu Xue-Lei Cao Yong Chen Cong-Zhan Liu Ce Cai Zhi Chang Gang Chen Tian-Xiang Chen Yi-Bao Chen Yu-Peng Chen wei Cui wei-wei Cui Jing-Kang Deng Yong-wei Dong Yuan-Yuan Du min-Xue Fu Guan-Hua Gao He Gao min Gao ming-Yu ge Yu-Dong Gu Ju Guan Cheng-Cheng guo Da-wei han Jia Huo Lu-Hua jiang wei-Chun jiang Jing Jin Yong-Jie Jin Ling-Da Kong Bing Li Cheng-Kui Li Gang Li Mao-Shun Li wei Li Xian Li Xiao-Bo Li Xu-Fang Li Yang-guo Li Zheng-wei Li Xiao-Hua Liang Jing-Yuan Liao Bai-Sheng Liu guo-Qing Liu Hong-wei Liu Xiao-Jing Liu Yi-Nong Liu Bo Lu Xue-feng Lu Qi Luo tao Luo Bin Meng Yi Nang jian-Yin Nie ge Ou Na Sai Ren-Cheng Shang Xin-Ying Song Liang Sun Ying Tan You-Li Tuo Chen Wang guo-feng Wang Juan Wang Ling-Jun Wang Weng-Shuai Wang Yu-Sa Wang Xiang-Yang Wen Bai-Yang wu Bo-Bing wu Mei wu Shuo Xiao Shao-Lin Xiong He Xu Jia-wei Yang Sheng Yang Yan-Ji Yang Yi-Jung Yang Qi-Bin Yi Qian-Qing Yin Yuan You Ai-Mei zhang Cheng-Mo zhang Fan zhang Hong-Mei zhang Juan zhang Tong zhang Wan-Chang zhang Wen-zhao zhang Yi zhang Yi-Fei zhang Yong-Jie zhang Yuan-hang zhang Yue zhang zhao zhang Zhi zhang Zi-Liang zhang Hai-Sheng zhao Xiao-Fan zhao Shi-Jie Zheng Yao-Guang Zheng Deng-Ke Zhou jian-feng Zhou Yu-Xuan Zhu Ren-Lin Zhuang Yue Zhu Key Laboratory of Particle Astrophysics Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China University of Chinese Academy of Sciences Chinese Academy of SciencesBeijing 100049China Institut fur Astronomie und Astrophysik Kepler Center for Astro and Particle PhysicsEberhard Karls Universität72076 TubingenGermany Department of Astronomy Beijing Normal UniversityBeijing 100088China Department of Astronomy Tsinghua UniversityBeijing 100084China Department of Physics Tsinghua UniversityBeijing 100084China Department of Engineering Physics Tsinghua UniversityBeijing 100084China Key Laboratory of Space Astronomy and Technology National Astronomical ObservatoriesChinese Academy of SciencesBeijing 100101China College of Physics Sciences&Technology Hebei UniversityBaoding 071002Hebei ProvinceChina

We present the observational results from a detailed timing analysis of the black hole candidate EXO 1846-031 during its outburst in 2019 with the observations of Insight-HXMT,NICER and *** outburst can be classified roughly into four different ***-C quasi-periodic oscillations(QPOs)observed by NICER(about 0.1-6 Hz)and Insight-HXMT(about 0.7-8 Hz)are also reported in this ***,we study various physical quantities related to QPO *** QPO rms-frequency relationship in the energy band 1-10 keV indicates that there is a turning pointing in frequency around2 Hz,which is similar to that of GRS 1915+105.A possible hypothesis for the relationship above may be related to the inclination of the source,which may require a high inclination to explain *** relationships between QPO frequency and QPO rms,hardness,total fractional rms and count rate have also been found in other transient sources,which can indicate that the origin of type-C QPOs is non-thermal.

关键词： X-ray binaries black hole candidate QPO EXO 1846–031