| 人员出入口核材料放射性监测装置的研制 |
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| 引用本文： | 黄德宝,张文良,吕钊,张晓红,赵荣生,刘大鸣,李纪民,佟伯庭.人员出入口核材料放射性监测装置的研制[J].原子能科学技术,2000,34(5):445-447. |
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| 作者姓名： | 黄德宝 张文良 吕钊 张晓红 赵荣生 刘大鸣 李纪民 佟伯庭 |
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| 作者单位： | 中国原子能科学研究院,放射化学研究所,北京,102413 |
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| 摘 要： | 采用γ射线探测器阵列和序贯概率比检验法建立了人员出入口核材料放射性监测装置，以检测通过出入口的人员是否以隐蔽方式非法携带核材料或其它放射性物质。
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| 关 键 词： | 核保障 核材料放射性监测装置 闪烁体探测器 |
| 修稿时间： | 1999-06-15 |
Pedestrian Portal Monitor for Special Nuclear Material |
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| HUANG De-bao,ZHANG Wen-liang,LU Zhao,ZHANG Xiao-hong,ZHAO Rong-sheng,LIU Da-ming,LI Ji-min,TONG Bo-ting.Pedestrian Portal Monitor for Special Nuclear Material[J].Atomic Energy Science and Technology,2000,34(5):445-447. |
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| Authors: | HUANG De-bao ZHANG Wen-liang LU Zhao ZHANG Xiao-hong ZHAO Rong-sheng LIU Da-ming LI Ji-min TONG Bo-ting |
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| Abstract: | A pedestrian portal monitor for special nuclear material (SNM) and its software are developed. Its performances are as follows:detection sensitivities are 1.03 g and 0.031 8 g respectively for high enrichment uranium and low burned plutonium; false alarm probability is 1/5 500 . The portal monitor for SNM is used to prevent unauthorized removal of fissile materials such as 235 U and 239 Pu in protected area. The monitor uses a personal computer to provide automatic operation . The sequential probability ratio test(SPRT) algorithm is used to determine the presence of SNM over background. |
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| Keywords: | nuclear safeguards portal special nuclear material monitor |
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