The dose distributions outside the wall of cobalt-60 <italic style="font-style: italic">γ</italic>-field

Jingzhong Chen

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The dose distributions outside the wall of cobalt-60 γ-field

更新时间：2022-09-13

- The dose distributions outside the wall of cobalt-60 γ-field
- Nuclear Techniques Vol. 08, Issue 3, (1985)
- 作者机构：
  
  成都市卫生防疫站
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：03 October 1983，
  
  Published：1985
- 稿件说明：
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Jingzhong Chen. The dose distributions outside the wall of cobalt-60 γ-field[J]. Nuclear techniques, 1985, 08(3): 59-61,77.
DOI：

Jingzhong Chen. The dose distributions outside the wall of cobalt-60 γ-field[J]. Nuclear techniques, 1985, 08(3): 59-61,77. DOI：

摘要

钴圃，一种使用钴放射源的“

场”，是利用

射线辐照一定范围内的活体植株的一个大型露天辐照场。由于

场能长期辐照处理大量生长中的群体作物，为改变作物单一性状、改良品种、提高作物质量和数量提供实验条件，因而受到人们重视。早在1958年以前，美国BNL国家原子能试验中心，就建造了强度为3500居里的钴圃

［1］

。此后，世界各国陆续有所建造，其规摸由几＋居里到几万居里，多数在1000到3000多居里的范围

[2~4］

。我国70年代才开始出现用于辐照活体植株的

场，到目前为止，建成的只有两座。虽然可采用围墙结构来进行环境保护，但因

场不像辐照室那样能形成全封闭辐照的场所，射线对非使用区域（控制区以及控制区以外的区域）总要形成一定量的照射。因此，

场围墙外照射量率分布规律怎样，照射量率水平如何，能涉及多大范围等等问题就成为人们非常关心的问题，现将我们对圆形钴圃的研究结果介绍于下。

Abstract

This paper describes the survey of the dose distribution outside the wall around the cobalt-60

-field and factors concerned. Base on the results of the measurements

an empirical formula was set for evaluating dosimetry outside the wall. This paper may provide a guide for building and designing of cobalt-60

-field

as well as for evaluating. protection.

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references

A. H. Sqarrow and W. R. Singleton , Amer. Naturalist , 87 , 29 （ 1953 ）.

N. R. FRench , UCLA 12—532 , 1964 .

K. Kawara , Radiation Botany , 3 , 175 （ 1963 ）.

C. Gomez Campo . , Boletin Inst. National Investigations Agronomicas , 40 , 135 （ 1959 ）.

Agricultural Research Dept. Publ. Roskilde , Denmark , AEC Res. Est. Risö , July 1963 .

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The dose distributions outside the wall of cobalt-60 γ-field

DOI：

摘要

Abstract

关键词

Keywords

references