| 微机γ能谱比活度测量仪 |
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| 引用本文： | 张彪,梁树红,齐宁.微机γ能谱比活度测量仪[J].地球物理学进展,2005,20(2):417-421. |
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| 作者姓名： | 张彪 梁树红 齐宁 |
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| 作者单位： | （核工业北京地质研究院,北京 100029） |
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| 摘 要： | 介绍了研制H\|90B微机(能谱比活度仪的目的意义、仪器的定位、组成特点及主要技术指标，并对仪器的工作原理做了必要的描述.文章还对有关测量方法及选用的仪器等进行了讨论.该仪器既可用于放射性(能谱测量并自动运算钾、铀、钍含量，又可用于现场快速检测建材放射性核素226Ra，232Th，40K的比活度.探头配置低本底铅室后，该仪器还可用于室内样品的放射性比活度的精确测量.
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| 关 键 词： | 放射性 γ能谱测量 比活度 建材检测 |
| 文章编号： | 1004-2903(2005)02-0417-05 |
| 修稿时间： | 2004年7月29日 |
Microcomputer γ spectrum ratio activity meter |
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| ZHANG Biao,LIANG Shu-hong,QI Ning.Microcomputer γ spectrum ratio activity meter[J].Progress in Geophysics,2005,20(2):417-421. |
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| Authors: | ZHANG Biao LIANG Shu-hong QI Ning |
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| Abstract: | This paper introduces a new instrument for the measurement of material radioactivity, H-90B microcomputer (spectrum ratio activity meter. The developing purpose and significance of this meter are discussed in this paper. The function design and the components as well as the technical indexes of the instrument are explained in detail. The basic working principle and the measuring method of the instrument are also introduced. The instrument can be used to measure the (radioactive spectra and to count the contents of potassium, uranium and thorium automatically, and can also be applied in the fast measurement for the ratio activities of the radioactive nucleus 226Ra, 232Th, 40K in the construction material in situ. Furnished with a lower background lead room, it will be able to measure the ratio activities of the material specimens with high precision. |
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