Quantitative ∑-scaling method of neutron radiography

HUO Heyong TANG Bin WU Yang XUE Bin

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Quantitative ∑-scaling method of neutron radiography

更新时间：2021-03-12

- Quantitative ∑-scaling method of neutron radiography
- NUCLEAR TECHNIQUES Issue 4, (2007)
- 作者机构：
  
  1. 中国工程物理研究院核物理与化学研究所
  2. 中国工程物理研究院核物理与化学研究所,绵阳,621900
- 作者简介：
- 基金信息：
- DOI：
  CLC： O571.5
- Published：01 April 2007
- 稿件说明：
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[1]霍合勇,唐彬,吴洋,薛斌.中子照相∑定量测量方法[J].核技术,2007(04):273-276.

HUO Heyong TANG Bin WU Yang XUE Bin. Quantitative ∑-scaling method of neutron radiography[J]. Nuclear techniques, 2007, (4): 273-276.
[1]霍合勇,唐彬,吴洋,薛斌.中子照相∑定量测量方法[J].核技术,2007(04):273-276. DOI：

HUO Heyong TANG Bin WU Yang XUE Bin. Quantitative ∑-scaling method of neutron radiography[J]. Nuclear techniques, 2007, (4): 273-276. DOI：

摘要

本文描述了一种利用中子照相进行定量分析的方法

介绍了该方法的基本原理

并应用粒子输运程序MCNP模拟分析样品内部散射中子随样品与探测器之间距离变化对中子成像的影响。为削弱散射中子对中子透射成像图像信息的影响

对穿透样品的厚度进行了定量分析。

Abstract

A quantitative analysis method of neutron radiography is introduced in the paper. The principle of this method is described

and the influence of scattered neutrons on neutron radiography is analyzed using the particle transport programme MCNP. The relationship between the specimen-detector distance and scattered neutrons is also discussed. To weaken the influence of scattered neutrons

the penetrating thickness of thermal neutrons is quantitatively scaled by analyzing neutron pictures in which internal scattered neutrons have trailed off.

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Related Institution

Institute of Nuclear Energy Safety Technology, Hefei Institutes of Physical Science, Chinese Academy of Sciences

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