COLLIMATOR

作品数：56被引量：71H指数：5
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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>>
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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 
Design of a shielding collimator device for a small-angle monoenergetic neutron source被引量：2
《Nuclear Science and Techniques》2018年第8期201-209,共9页Wen-Hui Lü Hui-Ping Guo Ning Lü Kuo Zhao Xiao-Tian Wang Yi-Jie Hou 
To obtain a small-angle monoenergetic neutron source,a shielding collimator device is designed for the neutron source generated by a neutron tube.The device is divided into the collimator and the capture cave.The coll...
关键词：小角度 中子 设备 设计 防护 不锈钢 聚乙烯 俘获 
Thermodynamic analysis and simulation for gas baffle entrance collimator of EAST-NBI system based on thermo-fluid coupled method被引量：5
《Nuclear Science and Techniques》2018年第1期90-95,共6页Ling Tao Chun-Dong Hu Yuan-Lai Xie 
supported by the National Natural Science Foundation of China(No.11605234);the Foundation of ASIPP(No.DSJJ-15-GC02)
The world's first full Experimental Advanced Superconducting Tokamak(EAST) is designed with the auxiliary heating method of neutral beam injection(NBI)system. Beam collimators are arranged on both sides of the beam ch...
关键词：Neutral BEAM injection High-heat-flux component BEAM COLLIMATOR Thermo-fluid coupled method Thermodynamic analysis 
Thermal analysis and tests of W/Cu brazing for primary collimator scraper in CSNS/RCS
《Nuclear Science and Techniques》2017年第4期19-23,共5页Jie-Bing Yu Jia-Xin Chen Ling Kang Jie-Feng Wu Yi-Qing Zou 
supported by the National Natural Science Foundation of China(No.11375217)
To the transverse beam collimation system in a rapid cycling synchrotron,an important component is the primary collimator,which improves emittance of the beam halo particles such that the particles outside the predefi...
关键词：SCRAPER of PRIMARY COLLIMATOR of CSNS/RCS W/Cu BRAZING THERMAL analysis BRAZING tests 
A compact gamma camera with scintillation array and parallel-hole collimator被引量：1
《Nuclear Science and Techniques》2008年第5期297-301,共5页ZHU Jie MA Hongguang MA Wenyan ZENG Hui WANG Zhaomin XU Zizhong 
Supported by National Natural Science Foundation of China (No.10275063)
A new compact gamma camera for small object imaging has been developed.It consists of a pixelized Nal(T1) scintillator array coupled to a position sensitive photomultiplier tube (Hamamatsu R2486) with a parallel-hole ...
关键词：核医学 肿瘤诊断 γ照相机 并行孔准直仪 
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