北京平原区隐伏断裂与氡浓度响应关系
张晓亮, 白凌燕, 倪敬波, 王志辉, 赵勇, 何付兵

Relationship between concealed faults and radon concentration in plain areas of Beijing
ZHANG Xiao-Liang, BAI Ling-Yan, NI Jing-Bo, WANG Zhi-Hui, ZHAO Yong, HE Fu-Bing
图5 不同地区核素比活度柱状图
Fig.5 Histogram of different areas aboutnuclide specific activity