Natural radioactivity of some Brazilian building materials

被引：31
作者：
Venturini, L
Nisti, MB
机构：
[1] Serv. de Protecao Radiologica, IPEN-CNEN/SP, 05499-970 São Paulo, SP
来源：
RADIATION PROTECTION DOSIMETRY | 1997年 / 71卷 / 03期
关键词：
D O I：
10.1093/oxfordjournals.rpd.a032058
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The natural radioactivity of some building materials commonly used in the city of Sao Paulo was measured by gamma ray spectrometry. The radium equivalent concentration and the gamma absorbed dose rate in air were estimated as well as the internal and external hazard indices. The results indicate that these materials are not a major source of exposure.
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页码：227 / 229
页数：3
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