A study on sheep-tissue contamination of <sup>131</sup>I after the accident at Chernobyl

Deredi Ku; Biao Liu

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A study on sheep-tissue contamination of ¹³¹I after the accident at Chernobyl

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- A study on sheep-tissue contamination of ¹³¹I after the accident at Chernobyl
- Nuclear Techniques Vol. 11, Issue 6, (1988)
- 作者机构：
  
  新疆维吾尔自治区放射医学卫生防护监督所
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：18 May 1987，
  
  Published：1988-06
- 稿件说明：
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Deredi Ku, Biao Liu. A study on sheep-tissue contamination of ¹³¹I after the accident at Chernobyl[J]. Nuclear techniques, 1988, 11(6): 26-30.
DOI：

Deredi Ku, Biao Liu. A study on sheep-tissue contamination of ¹³¹I after the accident at Chernobyl[J]. Nuclear techniques, 1988, 11(6): 26-30. DOI：

摘要

本文采用放射化学分析法，研究了苏联切尔诺贝利核电站事故释出的

131

I对新疆地区羊胃内容物、血、肌肉和甲状腺的污染规律。结果表明：事故后24天羊甲状腺

131

I达到最大污染水平，其后按指数规律下降。

131

I在羊甲状腺、血、肌肉和胃内容物中的有效半排期分别为：7.2、6.7、6.7和5.1天。羊胃内容物、血、肌肉和甲状腺中

131

I的比活度之间呈直线正相关。

在

131

I污染期间，用库存饲料圈养的羊的甲状腺中

131

I比活度仅为野外放牧羊的1.7±0.7%。由羊甲状腺污染水平估算出此次事故

131

I对新疆地区和乌鲁木齐成年人的待积有效剂量当量分别为3.8

Sv和14.0

Sv，不会对居民健康产生明显不良影响。

Abstract

The change of

131

I content in sheep-tissue in Xinjiang after the accident at Chernoby USSR was studied with a radiochemical method. The results showed that

131

I level was increased from 7th May in sheep-tissue and reached its maximum on 20th May in thyroid. The effective half-life of

131

I in thyroid

blood

muscle and contents in stomach were 7.2d

6.7d

6.7d and 5.1d respectively. The specific activities of

131

I in grass

thyroid

blood

muscle and contents in stomach showed linear correlations.

The

131

I content in thyroid for the folded sheep was only 1.7 percent of that for the grazed sheep during the polluting period. The effective dose equivalence for adult to the

131

I release from Chernobyl was 14.0

Sv in Urumqi and 3.8 µSv in Xinjiang.

关键词

Keywords

references

朱昌寿，中华放射医学与防护杂志， 6 （ 1986 ）， 6 ： 426 。

C. Blicoe , et al ., Science , 137 ( 1962 ) , 3531 : 690 .

A. Hamish et al ., Nature , 184 ( 1959 ), 4700 : 1699 .

张永兴等译，国际放射防护委员会第7、29号出版物«环境辐射监测和剂量评价» ，原子能出版社， 1981 年， 117页。

刘飙等，中国公共卫生， 4 （ 1985 ）， 5 ： 5 。

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A study on sheep-tissue contamination of 131I after the accident at Chernobyl

DOI：

摘要

Abstract

关键词

Keywords

references

A study on sheep-tissue contamination of ¹³¹I after the accident at Chernobyl