Lognormal distribution of natural radionuclides in freshwater sediments and coal-ash repositories

被引：3
|
作者：
Drndarski, N
Miljevic, N
Golobocanin, D
机构：
[1] Institute of Nuclear Sciences - Vinča, 11001 Belgrade
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-LETTERS | 1996年 / 214卷 / 02期
关键词：
D O I：
10.1007/BF02164810
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The distribution of natural radionuclides, K-40, Ra-226 and Th-232, in freshwater sediments and in coal-fired power-plant ash repositories has been tested for lognormality. Thereafter, lognormality for natural radionuclide concentration frequency distribution was accepted with a high probability. The log-normal natural radionuclide distribution in sediments and coal-ash indicated single population groups. The anthropogenic modifications of the natural radionuclide concentrations in the environment are indicated. The adsorbed dose rates, in mGy y(-1), in air from gamma field of the natural radionuclides were calculated.
引用
收藏
页码：95 / 102
页数：8
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