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7th International Conference on Signal and Image Processing, ICSIP 2022

作者： Yang, Wansheng Hu, Chi Ma, Siyou Institute of Computer Application China Academy of Engineering Physics Mianyang China

ISBN: (数字)9781665495639

ISBN: (纸本)9781665495639

This paper designs a penetration testing platform on the CAN bus. The platform is characterized by the combined functions, such as, CAN bus data acquisition and transmission, data preprocessing and analysis, CAN news automatic detection and construction, CAN communication database establishment, various penetration and attack methods and recoding CAN bus arbitration ID. Aiming at the information security verification of the CAN bus protocol of the embedded system, the penetration testing platform can flexibly and quickly build a testing environment to successfully realize the connection with the system under test and the hidden connection of forged communication nodes, and then carry out fuzz testing verification experiments efficiently and conveniently. © 2022 IEEE.

关键词： Embedded systems

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The Research on Material Properties Database System Based on Network Sharing

The Research on Material Properties Database System Based on...

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2022 IEEE Conference on Telecommunications, Optics and computer Science, TOCS 2022

作者： Zheng, Cuifang Wu, Jiaju Kong, Linggang Kang, Shijia Cheng, Zheng Luo, Bin Institute of Computer Application China Academy of Engineering Physics Mianyang China

ISBN: (纸本)9781665470537

Based on the analysis of material performance data management requirements, a network-sharing scheme of material performance data is proposed. A material performance database system including material performance data collection, data query, data analysis, data visualization, data security management and control modules is designed to solve the problems of existing material performance database network sharing, data fusion and multidisciplinary support, and intelligent services Inadequate standardization and data security control. This paper adopts hierarchical access control strategy. After logging into the material performance database system, users can standardize the material performance data and store them to form a shared material performance database. The standardized material performance data of the database system shall be queried and shared under control according to the authority. Then, the database system compares and analyzes the material performance data obtained from controlled query sharing. Finally, the database system visualizes the shared results of controlled queries and the comparative analysis results obtained. The database system adopts the MVC architecture based on B/S (client/server) cross platform J2EE. The Third-party computing platforms are integrated in System. Users can easily use material performance data and related services through browsers and networks. MongoDB database is used for data storage, supporting distributed storage and efficient query. © 2022 IEEE.

关键词： Data acquisition

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Design of authority control service for the two-level comprehensive management system 10

Design of authority control service for the two-level compre...

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10th IEEE Joint International Information technology and Artificial Intelligence Conference, ITAIC 2022

作者： Sun, Xiaohan Wan, Rui Institute of Computer Application China Academy of Engineering Physics Mianyang China

ISBN: (数字)9781665422079

ISBN: (纸本)9781665422079

This paper designs and implements an authority control service for the two-level comprehensive management system of the institute, realizes the reasonable approval control of authority change, ensures the rationality, compliance and accuracy of user authority authorization, and ensures the data security of the system. As the core of RBAC access control model and the focus of security administrator authority management, role actually has organizational and domain attributes in the two-level integrated management system of the institute. Then, it constructs the access control model and completes the process design and function realization, which meets the design objectives. © 2022 IEEE.

关键词： Information management

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Extending the Control System by Integrating AI Models

Extending the Control System by Integrating AI Models

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2022 International Conference on computer engineering and Artificial Intelligence, ICCEAI 2022

作者： Luo, Jun Ni, Zhigao Tian, Zhiyu Xie, Xingquan Zhou, Xiaowei Li, Li Institute of Computer Application China Academy of Engineering Physics Mianyang China

ISBN: (数字)9781665468039

ISBN: (纸本)9781665468039

The integrated computer control system (ICCS) of the largest high-power laser facility in china plays a significant role in experimental shot orchestration. To deduce the time and manpower consumption in two important control stages, namely the closed-loop control of arbitrary pulse generation (AWG) and detection of near-field anomalies, we design intelligent algorithms respectively. To address the issue of platform incompatibility when integrating intelligent algorithms into the existing integrated computer control system, intelligent algorithms are implemented in a servitization fashion. The new AI-integrated software of AWG waveform closed-loop control and near-field anomaly detection obtain a great time efficiency improvement. © 2022 IEEE.

关键词： Anomaly detection

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A New Security Event Correlation Analysis Engine Based on Rule-Tree-Matching 5

A New Security Event Correlation Analysis Engine Based on Ru...

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5th IEEE Advanced Information Management, Communicates, Electronic and Automation Control Conference, IMCEC 2022

作者： Lu, Peng Zhang, Ruobin Wu, Guo Hu, Teng Institute of Computer Application China Academy of Engineering Physics Mianyang China

ISBN: (纸本)9781665479677

The magnitude of security data keeps increasing with the frequent occurrence of security events. And massive security data is causing increasing bottlenecks of correlation analysis engine in terms of matching efficiency, operating performance and rule expression, etc. In order to solve the above problems, this paper proposes a security event correlation analysis engine based on the Rule-Tree-Matching. The design and implementation of the security event correlation analysis engine have been completed. Also, several comparative experiments have been done to prove the advancement and feasibility of the Rule-Tree-Matching engine. © 2022 IEEE.

关键词： Engines

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Nanoscale viscoelastic transition from solid-like to liquid-like enables ductile deformation in Fe-based metallic glass

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Journal of Materials Science & technology 2024年第27期194卷 63-74页

作者： C.B.Jin Y.Z.Wu J.N.Wang F.Han M.Y.Tan F.C.Wang J.Xu J.Yi M.C.Li Y.Zhang J.T.Huo J.Q.Wang M.Gao School of Materials Science and Engineering Xinjiang Key Laboratory of Solid State Physics and Devices&School of Physical Science and TechnologyXinjiang UniversityUrumqi 830046China CAS Key Laboratory of Magnetic Materials and Devices and Zhejiang Province Key Laboratory of Magnetic Materials and Application TechnologyNingbo Institute of Materials Technology and EngineeringChinese Academy of SciencesNingbo 315201China Institute of Materials School of Materials Science and EngineeringShanghai UniversityShanghai 200444China

The cooling rate during vitrification is critical for determining the mechanical properties of metallic ***,the structural origin of the cooling rate effect on mechanical behaviors is *** this work,a systematical investigation of the cooling rate effect on the deformation mode,shear band nucleation,and nanoscale heterogeneous structure was conducted in three Fe-based metallic *** brittle to ductile deformation transition was observed when increasing the cooling ***,the governing shear band nucleation site from high load site to low load site appears the synchronous *** studying the corresponding nanoscale heterogeneous structure,it was found that nanoscale viscoelastic transition from solid-like to liquid-like as increasing cooling rate enables ductile *** current work not only reveals the nanoscale structural origin of the cooling rate effect on the de-formation behaviors,but also provides a new route to design ductile metallic glasses by freezing more nanoscale liquid-like regions during cooling.

关键词： Metallic glass Cooling rate Deformation mode Shear band Nanoscale viscoelastic heterogeneity

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Multidisciplinary and multiscale nanoscience research roadmap based on large scientific facilities

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Science china Chemistry 2024年第8期67卷 2497-2523页

作者： Yuan Zeng Shuhan Zhang Yuecong Guo Yalin Cong Xu Ding Peihua Li Yunxiang Lin Wenzhi Ren Hui Su Weigang Sun Liuxin Xu Guikai Zhang Shihua Chen Yu Chen Weiren Cheng Shengqi Chu Yong Guan Jinru Han Jie Lin Hengjie Liu Zheyi Liu Pan Luo Fanchun Meng Sicong Qiao Zongyin Song Ying Wang Zhao Wu Chenyu Yang Meng Yang Shirui Yang Zi Yin Zhibin Yin Pengjun Zhang Hongyu Zhang Pingping Zheng Jia Zhou Wanlin Zhou Pengfei An He Cheng Chunhai Fan Xingjiu Huang Yong Lei Lina Li Mu Li Qinghua Liu Shuming Peng Li Song Zhihu Sun Yangchao Tian Fangjun Wang Lihua Wang Liming Wang Shiqiang Wei Aiguo Wu Chunlei Xiao Xueming Yang Panchao Yin Jing Zhang Mingxin Zhang Yaling Wang Chunying Chen CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety New Cornerstone Science LaboratoryNational Center for Nanoscience and TechnologyBeijing 100190China University of Chinese Academy of Sciences Beijing 100049China National Synchrotron Radiation Laboratory University of Science and Technology of ChinaHefei 230029China Institute of Solid State Physics Hefei Institutes of Physical ScienceChinese Academy of SciencesHefei 230031China Institutes of Physical Science and Information Technology Anhui UniversityHefei 230601China Ningbo Key Laboratory of Biomedical Imaging Probe Materials and Technology Zhejiang International Cooperation Base of Biomedical Materials Technology and ApplicationCAS Key Laboratory of Magnetic Materials and DevicesNingbo Cixi Institute of Biomedical EngineeringZhejiang Engineering Research Center for Biomedical MaterialsNingbo Institute of Materials Technology and EngineeringChinese Academy of SciencesNingbo 315201China Advanced Energy Science and Technology Guangdong Laboratory Huizhou 516000China College of Chemistry and Chemical Engineering Hunan Normal UniversityChangsha 410081China State Key Laboratory of Luminescent Materials and Devices South China Advanced Institute for Soft Matter Science and TechnologySouth China University of TechnologyGuangzhou 510640China Beijing Synchrotron Radiation Facility Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China CAS Key Laboratory of Separation Sciences for Analytical Chemistry Dalian Institute of Chemical PhysicsChinese Academy of SciencesDalian 116023China State Key Laboratory of Molecular Reaction Dynamics Dalian Institute of Chemical PhysicsChinese Academy of SciencesDalian 116023China Institute of Advanced Science Facilities Shenzhen 518107China State Key Laboratory of Coal Conversion Institute of Coal ChemistryChinese Academy of SciencesTaiyuan 030001China State Key Laboratory of Particle Detection and Electronics Institute of High Energy PhysicsChinese Acade

With the advancement of modern science and technology, large scientific facilities are increasingly oriented toward demand and application, and can be used for basic research as well as serving multiple disciplines. Developing large scientific facilities and related analytical technologies enhances understanding of large scientific facilities and popularizes their application in research across multiple disciplines. The combination of light or neutron sources from large scientific facilities and advanced analytical technologies can be achieved for materials structure information, dynamics study of chemical reactions, high dissociation of biomolecules, 3D visualization of energy materials or biological samples, etc. We first introduce the progress of domestic large scientific facilities of synchrotron radiation(SR) and free electron lasers(FELs) with different wavelengths and neutron *** further discuss the comparison between Chinese and typical foreign facilities in X-ray radiation from X-ray tubes, synchrotrons, X-ray FELs, and neutron sources based on physical parameters of light and neutron sources. In addition, we focus on the technological progress and perspectives combined with advanced X-ray radiation and neutron sources of large scientific facilities in china, especially in the nanoscience fields of energy catalysis and biological science. We hope that this roadmap will provide references on technology and methods to experimental users, as well as prospects for future development of technologies based on large research infrastructure facilities. Comprehensive studies and guidelines for basic research to practical application in various disciplines can be made with the assistance of large scientific facilities.

关键词： large scientific facilities synchrotron radiation FEL light sources neutron sources spectroscopic analysis methods X-ray imaging techniques structural information chemical dynamics

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A cloud platform architecture recovery metric method 10

A cloud platform architecture recovery metric method

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10th IEEE Joint International Information technology and Artificial Intelligence Conference, ITAIC 2022

作者： Zhao, Wenyuan Hong, Weisong Cheng, Yunchang Institute of Mechanical Manufacturing Technology Chinese Academy of Engineering Physics Mianyang China Institute of Computer Application Chinese Academy of Engineering Physics Mianyang China

ISBN: (数字)9781665422079

ISBN: (纸本)9781665422079

Cloud platforms have become the most popular architecture for providing software services today, and traditional architecture evolution evaluation methods cannot achieve better results on cloud platforms because they are different from the architecture of traditional software. In this paper, we propose a method for architecture recovery based on the decentralized characteristics of cloud platforms. First, the method identifies the inapplicability of traditional monolithic software architecture recovery methods under the cloud platform architecture, and then a fast recovery method for cloud platform architecture based on the new city of dispersion features. The process of cloud platform architecture recovery extracts the overall architecture information, integrates the transformed New Town association dependency graph based on the architecture information, and then uses the architecture dependency graph as the input for distance-based aggregation of decentralized components. Finally, the above method is applied to three cloud platform projects, and the evaluation of the effectiveness of architecture recovery is verified separately. The experimental results show that the cloud platform architecture recovery method based on decentralized features can fully extract the cloud platform architecture information and achieve the accurate metric of architecture description. © 2022 IEEE.

关键词： Graphic methods

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Recent progress in nuclear astrophysics research and its astrophysical implications at the china institute of Atomic Energy

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Nuclear Science and Techniques 2024年第12期35卷 376-408页

作者： Wei-Ping Liu Bing Guo Zhu An Bao-Qun Cui Xiao Fang Chang-Bo Fu Bin-Shui Gao Jian-Jun He Yu-Chen Jiang Chong Lv Er-Tao Li Ge-Xing Li Yun-Ju Li Zhi-Hong Li Gang Lian Wei-Ping Lin Yi-Hui Liu Wei Nan Wei-Ke Nan Yang-Ping Shen Na Song Jun Su Liang-Ting Sun Xiao-Dong Tang Luo-Huan Wang Shuo Wang You-Bao Wang Di Wu Xiao-Feng Xi Sheng-Quan Yan Li-Yong Zhang China Institute of Atomic Energy Beijing 102413China Department of Physics Southern University of Science and TechnologyShenzhen 518055China Jinping Deep Underground Frontier Science and Dark Matter Key Laboratory of Sichuan Province Liangshan 615000China School of Physics Xi’an Jiaotong UniversityXi’an 710049China Key Laboratory of Radiation Physics and Technology of the Ministry of Education Institute of Nuclear Science and TechnologySichuan UniversityChengdu 610064China Sino-French Institute of Nuclear Engineering and Technology Sun Yat-sen UniversityZhuhai 519082China Key Laboratory of Nuclear Physics and Ion-beam Application(MoE) Institute of Modern PhysicsFudan UniversityShanghai 200433China Joint Department for Nuclear Physics Institute of Modern PhysicsChinese Academy of Sciences and Lanzhou UniversityLanzhou 730000China CAS Key Laboratory of High Precision Nuclear Spectroscopy Institute of Modern PhysicsChinese Academy of SciencesLanzhou 73000China School of Nuclear Science and Technology University of Chinese Academy of SciencesBeijing 100049China Key Laboratory of Beam Technology of Ministry of Education College of Nuclear Science and TechnologyBeijing Normal UniversityBeijing 100875China College of Physics and Optoelectronic Engineering Shenzhen UniversityShenzhenChina Key Laboratory of Beam Technology and Material Modification of Ministry of Education College of Nuclear Science and TechnologyBeijing Normal UniversityBeijing 100875China Institute of Modern Physics Chinese Academy of SciencesLanzhou 730000China School of Mathematics and Physics Handan UniversityHandan 056005China Shandong Provincial Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment Institute of Space SciencesShandong UniversityWeihai 264209China State Key Laboratory of Nuclear Physics and Technology School of PhysicsCAPTPeking UniversityBeijing 100871China

Nuclear astrophysics is a rapidly developing interdisciplinary feld of research that has received extensive attention from the scientifc community since the midtwentieth ***,it uses the laws of extremely small atomic nuclei to explain the evolution of the *** to the complexity of nucleosynthesis processes and our limited understanding of nuclear physics in astrophysical environments,several critical astrophysical problems remain *** achieve a better understanding of astrophysics,it is necessary to measure the cross sections of key nuclear reactions with the precision required by astrophysical *** measurement of nuclear reaction cross sections is an important method of investigating how nuclear reactions infuence stellar *** the challenges involved in measuring the extremely low crosssections of nuclear reactions in the Gamow peak and preparing radioactive targets,indirect methods,such as the transfer reaction,coulomb dissociation,and surrogate ratio methods,have been developed over the past several *** are powerful tools in the investigation of,for example,neutron-capture(n,r)reactions with short-lived radioactive ***,direct measurement is still preferable,such as in the case of reactions involving light and stable *** an essential part of stellar evolution,these low-energy stable nuclear reactions have been of particular interest in recent *** overcome the diffculties in measurements near or deeply within the Gamow window,the combination of an underground laboratory and high-exposure accelerator/detector complex is currently the optimal ***,underground experiments have emerged as a new and promising direction of *** addition,to better simulate the stellar environment in the laboratory,research on nuclear physics under laser-driven plasma conditions has gradually become a frontier *** recent years,the CIAE team conducted a series of distinctive nuclea

关键词： Nuclear astrophysics Indirect method Underground laboratory Direct measurement Lowenergy nuclear reaction

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Direct measurement of the break-out ^(19)F(p,γ)^(20)Ne reaction in the china Jinping underground laboratory(CJPL)

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Nuclear Science and Techniques 2024年第8期35卷 142-152页

作者： Yin‑Ji Chen Hao Zhang Li‑Yong Zhang Jian‑Jun He Richard James deBoer Michael Wiescher Alexander Heger David Kahl Jun Su Daniel Odell Xin‑Yue Li Jian‑Guo Wang Long Zhang Fu‑Qiang Cao Zhi‑Cheng Zhang Xin‑Zhi Jiang Luo‑Huan Wang Zi‑Ming Li Lu‑Yang Song Liang‑Ting Sun Qi Wu Jia‑Qing Li Bao‑Qun Cui Li‑Hua Chen Rui‑Gang Ma Er‑Tao Li Gang Lian Yao‑De Sheng Zhi‑Hong Li Bing Guo Wei‑Ping Liu Key Laboratory of Beam Technology of the Ministry of Education College of Nuclear Science and TechnologyBeijing Normal UniversityBeijing 100875China Department of Physics and Astronomy The Joint Institute for Nuclear AstrophysicsUniversity of Notre DameNotre DameIN 46556USA School of Physics and Astronomy Monash UniversityClaytonVIC 3800Australia Facility for Rare Isotope Beams Michigan State UniversityEast LansingMI 48824USA Institute of Nuclear and Particle Physics and Department of Physics and Astronomy Ohio UniversityAthensOH 45701USA Institute of Modern Physics Chinese Academy of SciencesLanzhou 730000China China Institute of Atomic Energy Beijing 102413China College of Physics and Optoelectronic Engineering Shenzhen UniversityShenzhen 518060China School of Nuclear Science and Technology University of Chinese Academy of SciencesBeijing 100049China College of Science Southern University of Science and TechnologyShenzhen 518055China Institute of Radiation Technology Beijing Academy of Science and TechnologyBeijing 100875China Key Laboratory of Nuclear Physics and Ion‑Beam Application(MOE) Institute of Modern PhysicsFudan UniversityShanghai 200433China School of Mathematics and Physics Handan UniversityHandan 056005China

Calcium production and the stellar evolution of first-generation stars remain fascinating mysteries in *** one possible nucleosynthesis scenario,break-out from the hot carbon–nitrogen–oxygen(HCNO)cycle was thought to be the source of the calcium observed in these oldest ***,according to the stellar modeling,a nearly tenfold increase in the thermonuclear rate ratio of the break-out ^(19)F(p,γ)^(20) Ne reaction with respect to the competing ^(19)F(p,α)^(16) O back-processing reaction is required to reproduce the observed calcium *** performed a direct measurement of this break-out reaction at the china Jinping underground *** measurement was performed down to the low-energy limit of E_(c.m.)=186 keV in the center-of-mass *** key resonance was observed at 225.2 keV for the first *** a temperature of approximately 0.1 GK,this new resonance enhanced the thermonuclear ^(19)F(p,γ)^(20) Ne rate by up to a factor of≈7.4,compared with the previously recommended NACRE *** is of particular interest to the study of the evolution of the first stars and implies a stronger breakdown in their“warm”CNO cycle through the ^(19)F(p,γ)^(20) Ne reaction than previously *** break-out resulted in the production of the calcium observed in the oldest stars,enhancing our understanding of the evolution of the first stars.

关键词： Nuclear astrophysics First stars Abundance of calcium Reaction cross section Reaction rate china Jinping underground laboratory(CJPL) JUNA

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