广东省部分地区土壤放射性核素的测定和剂量评估
杨剑洲, 龚晶晶, 唐世新, 胡树起

The determination of radioactivity concentrations in soil samples and dose assessment in parts of Guangdong Province
Jian-Zhou YANG, Jing-Jing GONG, Shi-Xin TANG, Shu-Qi HU
图1 广东省地貌及采样点岩石背景分布 (图片修改自文献[20])
Fig.1 Map of sample sites,geomorphic landscape and bedrock distribution in Guangdong (Fig. modificated from reference[20])