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南京大学
收稿日期:1987-12-07,
纸质出版日期:1989-10
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沈德勋, 杨从群, 杨方馨. 20MeV医用电子直线加速器剂量监察和控制系统[J]. 核技术, 1989,12(10):609-613.
Dexun Shen, Congqun Yang, Fangxin Yang. Dose monitoring and control system of a 20 MeV medical linear accelerator[J]. Nuclear techniques, 1989, 12(10): 609-613.
本文描述了一种20MeV医用电子直线加速器剂量监察和控制系统。系统由透射式平行板电离室和电路组成。平行板电离室电极厚度<0.05mm,适用于快电子和高能X射线的剂量测量。剂量监测和控制系统有良好的线性。测量结果表明,本系统技术指标达到设计要求,性能稳定可靠。
The dose monitor and control system for electron beam and X ray on a 20 MeV medical linear accelerator is described. The system is composed of a transmission parallel-plate ionization chamber with appropriate electronic circuits. The thin foil electrodes (0.05mm) of the chamber are suitable for dose monitoring and measurement of high energy electron beam and X rays. The experimental results show that this system
with excellent linearity
is stable
reliable and fulfils design requirements.
F. H. Attix et al ., Radiation Dosimetry , Vol. 2 , Academic Press InC. , New York , 1966 , p. 2 .
江藤秀雄 等著, 崔朝辉 等译 , 辐射防护 , 原子能出版社 , 北京 , 1986 年, 第86页 。
ICRU Report 19, Radiation quantities and units , Washington , 1971 , p. 15 .
ICRU Report 21, Radiation dosimetry: Electron with initial energies between 1 and 50 MeV , Washington , 1977 , p. 5 .
ICRU Report 33, Radiation quantities and units , Washington , 1980 , p. 5 .
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