云南高校图书馆联盟文献共享服务平台- COLLIMATOR

COLLIMATOR: 作品数：56被引量：71H指数：5; 导出分析报告; 相关领域：医药卫生更多>>; 相关作者：魏天安陈大朝王艳菊谭春荣高峰更多>>; 相关机构：解放军第175医院首都医科大学附属北京世纪坛医院北京军区总医院海南农垦那大医院更多>>; 相关期刊：《Radiation Detection Technology and Methods》《医疗卫生装备》《Oncology and Translational Medicine》《Chinese Physics B》更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划NSAF联合基金更多>>

Assessment of Modeling Collimator Designs for Gamma-Ray Transmission of Uranium Oxide Spectrometry Using HPGe Detectors: 《World Journal of Engineering and Technology》2023年第4期663-671,共9页Rasha Ali El-Tayebany Hekmat Elbegawy; Many scientific domains use gamma-ray spectrometry, but non-destructive gamma scanning and gamma emission tomography of radioactive fuel in particular. In the experimental setting, a collimator is frequently employed ...; 关键词：Monte Carlo High Purity Germanium (HPGe) COLLIMATOR URANIUM

Design and test of the motion system for HEPS storage ring horizontal collimator: 《Radiation Detection Technology and Methods》2023年第4期484-492,共9页Liuxu Zong Haijing Wang Chunhua Li Guangyi Tang Huamin Qu Shang Lu; supported by Key Laboratory of Particle Acceleration Physics&Technology,Institute of High Energy Physics,Chinese Academy of Sciences[JSQ2020ZZ05].; Background Collimators in the storage ring of high-energy photon source(HEPS)are used to localize the beam loss,making it possible to set local radiation shields.The motion system of the collimator is used to adjust t...; 关键词：COLLIMATOR Dump mode Structure design Motion accuracy

Mechanical design of the horizontal collimator for HEPS storage ring被引量：2: 《Radiation Detection Technology and Methods》2022年第4期451-459,共9页Liuxu Zong Haijing Wang Chunhua Li Huamin Qu Lei Wu Zihao Wang Yaliang Zhao Guangyi Tang Hao Yang Na Wang Haoyu Shi; supported by Key Laboratory of Particle Acceleration Physics&Technology,Institute of High Energy Physics,Chinese Academy of Sciences[JSQ2020ZZ05].; Background Horizontal collimators in the storage ring of high energy photon source(HEPS)are used to localize the majority of the particle loss,making it possible to set local shields.Moreover,movable jaws of the colli...; 关键词：COLLIMATOR Structural design Finite element method(FEM)

Study of themovable collimator for CEPC: 《Radiation Detection Technology and Methods》2021年第3期339-346,共8页Peng Zhang Haijing Wang Sha Bai Yudong Liu Huamin Qu; This work was supported by Key Laboratory of Particle Acceleration Physics&Technology,Institute of High Energy Physics,Chinese Academy of Sciences[JSQ2020ZZ05].; Background Movable collimators for the circular electron positron collider(CEPC)are required to cut off spent electrons/positrons just near the beam orbit and reduce the background of the detector.Due to the extremely...; 关键词：Movable collimator Synchrotron radiation Beam impact IMPEDANCE

Design and verification of the HXI collimator on the ASO-S mission被引量：1: 《Research in Astronomy and Astrophysics》2021年第6期241-252,共12页Deng-Yi Chen Yi-Ming Hu Tao Ma Yang Su Jian-Feng Yang Jian-Ping Wang Guang-Zhou Xu Xian-Kai Jiang Jian-Hua Guo Yong-Qiang Zhang Yan Zhang Wei Chen Jin Chang Zhe Zhang; supported by the Strategic Priority Research Program on Space Science,Chinese Academy of Sciences(No.XDA 15320104);the National Natural Science Foundation of China(Grant Nos.11803093,11973097 and 12022302);the Scientific Instrument Developing Project of the CAS(No.20200077)。; A space-borne hard X-ray collimator,comprising 91 pairs of grids,has been developed for the Hard X-ray Imager(HXI).The HXI is one of the three scientific instruments onboard the first Chinese solar mission:the Advance...; 关键词：Solar observation ASO-S X-ray telescope the collimator VERIFICATION

Simulation of an imaging system for internal contamination of lungs using MPA-MURA coded-aperture collimator被引量：6: 《Nuclear Science and Techniques》2021年第2期58-69,共12页Ting Zhang Lei Wang Jing Ning Wei Lu Xiao-Fei Wang Hai-Wei Zhang Xian-Guo Tuo; the Ministry of Science and Technology,People’s Republic of China(No.2012YQ180118);the National Natural Science Foundation of China(No.41874121);the Sichuan Science and Technology Program(No.2018JY0181).; The nuclides inhaled during nuclear accidents usually cause internal contamination of the lungs with low activity.Although a parallel-hole imaging system,which is widely used in medical gamma cameras,has a high resolu...; 关键词：Lung internal contamination MPA-MURA Monte Carlo MLEM Spatial resolution Detection efficiency

Quantifying lateral penumbra advantages of collimated spot-scanning beam for intensity-modulated proton therapy被引量：1: 《Nuclear Science and Techniques》2019年第11期52-59,共8页Chun-Bo Liu Yun-Tao Song Hong-Dong Liu Hai-Zhou Xue Han-Sheng Feng; supported by the Key Program of the 13th Five-Year Plan,the Hefei Institutes of Physical Science of the Chinese Academy of Sciences(No.KP-2017-24); Intensity-modulated proton therapy(IMPT)is becoming essential for proton therapy and is under rapid development.However,for IMPT,the lateral penumbra of the spot-scanning proton beam is still an urgent issue to be sol...; 关键词：LATERAL PENUMBRA PATIENT-SPECIFIC block COLLIMATOR Monte Carlo INTENSITY-MODULATED PROTON therapy

美国GE Revolution CT故障维修四例被引量：2: 《医疗装备》2019年第15期146-147,共2页周伟刘富桃; Revolution CT自2014年12月1日在北美放射学年会(RSNA 2014)推出之始就引起全球放射学界的轰动。它综合了能谱、宽体、速度的优势,为各个临床领域提供出色的图像质量和诊断能力。; 关键词：滑环桥接板束光器控制板 COLLIMATOR 图像重建 ZYX逆变器

Direct simulation Monte Carlo study of metal evaporation with collimator in e-beam physical vapor deposition: 《Chinese Physics B》2019年第7期299-304,共6页Xiaoyong Lu Junjie Chai; The flow properties and substrate deposition rate profile, which are the important parameters in electron beam physical vapor deposition, are investigated computationally in this article.Collimators are used to achiev...; 关键词：METAL EVAPORATION COLLIMATOR DEPOSITION thickness PROFILE

Enhancement of proton collimation and acceleration by an ultra-intense laser interacting with a cone target followed by a beam collimator: 《Plasma Science and Technology》2019年第4期76-84,共9页Yajuan HOU Li WANG Haibo SANG Baisong XIE; A special method is proposed of a laser-induced cavity pressure acceleration scheme for collimating,accelerating and guiding protons,using a single-cone target with a beam collimator through a target normal sheath acc...; 关键词：single-cone TARGET with BEAM COLLIMATOR TARGET normal SHEATH ACCELERATION mechanism(TNSAM) particle-in-cell(PIC) SHEATH static electric field(SSEF) inertial fusion high energy physics and PROTON therapy PROTON BEAM density cut-off energy of PROTON

COLLIMATOR