辐射防护2024，Vol.44Issue(z1)：8-12,5.
60Co放射源辐照装置辐射场测量
Measurement of radiation field of 60Co source irradiation facility
王东玺 1孙涛 1刘海侠 1周红召 1李崇伟 1管弦1
作者信息
- 1. 国民核生化灾害防护国家重点实验室,北京 102205
- 折叠
摘要
Abstract
Radionuclides and radiation generating devices are general way to produce reference radiation fields.According to national standards,a reference γ radiation standard device has been constructed.Firstly,the structural composition,physical principle and technical route of the γ-ray Irradiation Facility were introduced.Secondly,the reference radiation filed of 60Co source was measured by calibrated standard equipment.The measurement results show that the air kerma rate of the radiation field conforms well to the inverse square of the distance(R2 ≈ 1).The air kerma rate at 1 100 mm from the center of the source vary less 5％within 200 mm of field diameter,and the shutter transition time is about 0.74 s.关键词
60Co辐照装置/空气比释动能率/距离平方反比规律/辐射场均匀性Key words
60Co source irradiation facility/air kerma rate/the inverse square of the distance R/uniformity of the radiation filed分类
数理科学引用本文复制引用
王东玺,孙涛,刘海侠,周红召,李崇伟,管弦..60Co放射源辐照装置辐射场测量[J].辐射防护,2024,44(z1):8-12,5.
