Abstract: This paper deals with the sources and harmfulness of environmental radon,analyses the geological background of radon in the urban district of Beijing and some basic measures for preventing and reduciang radon,and emphatically points out that ind
Abstract: This paper deals with the sources and harmfulness of environmental radon,analyses the geological background of radon in the urban district of Beijing and some basic measures for preventing and reduciang radon,and emphatically points out that ind
文摘:论述了环境氡的来源、危害,着重分析了室内氡的主要来源是地基岩石、土壤,分析了北京市区氡的地质背景和防氡与降氡的一些基本措施。