摘要
报道了煤的天然放射性核素含量测量结果:^(26)Ra,^(?)Th和~4K分别为55.0,47.2和201.9Bq/kg;并估计了附加剂量当量。
In this paper, the results of concentrations of natural radionuclide measured in coal samples such as (55.0 Bq/kg), 232Th(47.2 Bq/kg) and 40k(201.9 Bq/kg)are presented and the incremenal dose equivalents are estimated.
出处
《四川大学学报（自然科学版）》
CAS
CSCD
1990年第2期165-168,共4页
Journal of Sichuan University(Natural Science Edition)
关键词
煤
天然放射性
核素
镭
钍
钾
coal, natural radioactivity, radium, thorium, potassium.
