一些用于伽马射线环境剂量率测量的手持式剂量计的性能

Q4 Medicine

International Journal of Low Radiation Pub Date : 2013-08-01 DOI:10.1504/IJLR.2013.055597

D. Al-Azmi

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引用次数: 5

摘要

对一些用于测量环境伽马剂量率的手持式剂量计的性能进行了研究。一个基于CsI闪烁的剂量计和两个基于gm的剂量计被用来测量室内环境、铅屏蔽内、建筑物的不同楼层、沙漠环境和阿拉伯湾的一艘船上的吸收剂量率。研究表明，虽然有些仪器提供环境伽马剂量率的测量，其中包括来自地面和宇宙辐射成分的贡献，但其他仪器只显示地面/室内伽马剂量率。试验还表明，除非在启动时使用放射源，否则某些剂量计可能无法在极低本底辐射环境中工作。

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Performance of some handheld dosimeters used for gamma-ray ambient dose rate measurements

A study was carried out on the performance of some handheld dosimeters that are used for measuring ambient gamma dose rates. A CsI scintillation-based and two GM-based dosimeters were used to measure the absorbed dose rates in an indoor environment, inside a lead shield, on different floors of a building, in a desert environment and in a boat on the Arabian Gulf. The study showed that while some instruments provide measurements of ambient gamma dose rates, which include contributions from both terrestrial and cosmic radiation components, others show the terrestrial/indoor gamma dose rate only. Tests also showed that some dosimeters may fail to operate in the very low background radiation environments unless a radioactive source is used for the start-up.

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来源期刊

International Journal of Low Radiation Environmental Science-Health, Toxicology and Mutagenesis

自引率

0.00%

发文量

期刊介绍： The IJLR is a peer-reviewed journal dedicated to the publication of research articles, review papers and technical notes in all domains related to low-dose radiation, among which are the biological and health effects in humans and the biota, in vitro and in vivo research on low radiation effects, regulatory and policy aspects, risk estimation and public perception.