An improved gamma scanning technique using two detectors at off-center positions

LIU Cheng1 WANG Dezhong1 LI Houwen2 BAI Yunfei1 QIAN Nan1 ZHANG Kuo1 ZHANG Jige1 1

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An improved gamma scanning technique using two detectors at off-center positions

更新时间：2021-03-05

- An improved gamma scanning technique using two detectors at off-center positions
- NUCLEAR TECHNIQUES Vol. 33, Issue 5, (2010)
- 作者机构：
  
  1. 上海交通大学机械与动力工程学院
  2. 秦山第三核电有限公司
- 作者简介：
- 基金信息：
  
  国家自然科学基金(10675084)资助
- DOI：
  CLC： TL816.2
- Published：01 May 2010
- 稿件说明：
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[1]刘诚,王德忠,李厚文,白云飞,钱楠,张适,张继革.基于双探测器校正的分段γ扫描技术研究[J].核技术,2010,33(05):342-345.

LIU Cheng1 WANG Dezhong1 LI Houwen2 BAI Yunfei1 QIAN Nan1 ZHANG Kuo1 ZHANG Jige1 1. An improved gamma scanning technique using two detectors at off-center positions[J]. Nuclear techniques, 2010, 33(5): 342-345.
[1]刘诚,王德忠,李厚文,白云飞,钱楠,张适,张继革.基于双探测器校正的分段γ扫描技术研究[J].核技术,2010,33(05):342-345. DOI：

LIU Cheng1 WANG Dezhong1 LI Houwen2 BAI Yunfei1 QIAN Nan1 ZHANG Kuo1 ZHANG Jige1 1. An improved gamma scanning technique using two detectors at off-center positions[J]. Nuclear techniques, 2010, 33(5): 342-345. DOI：

摘要

将探测器对准废物桶两个不同偏心位置进行测量

由两个位置计数率比值

确定桶内放射源所在等效半径位置

从而计算其活度。对非均匀样品进行了测量

结果显示

测量结果误差在10%以内。

Abstract

The equivalent radius of source in a waste drum was determined based on counting rate ratio of two detectors located at off-center positions.The experimental data of a non-uniform sample was presented and compared to that of conventional SGS.The results confirm that the analysis errors are reduced greatly by the technique proposed.

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