摘要
自然环境中普遍存在着放射性物质 ,它们来源于铀系、钍系、锕系三个放射性系列和钾等不成系列的天然放射性元素 ,这些放射性物质广泛分布于我们周围的岩石、土壤、水分和空气中。花岗岩是一种酸性侵入岩 ,它具有放射性。花岗岩饰面石材 射线剂量当量率与其品种、面积和厚度有关。
The radiative materials in nature are generally derived from three radiative series i.e. uranium, actinium and thorium as well as potassium, a non serial radiative element. These elements are widely distributed in rocks, soils, waters and air. And as an acid intrusive rock, granite is a decorative material with radiation and its -ray irradiation equivalent weight is based on its species, thickness and area. So, it's very necessary for indoor decoration to carry out some serious checking procedures, preventing harm from radiative materials.
出处
《江苏地质》
2002年第2期88-91,共4页
Jiangsu Geology
关键词
花岗岩
饰面石材
Γ射线
江苏
南京市
放射性元素
室内装饰
Background value
Granite
Decorative veneer
-ray Irradiation equivalent weight
Nanjing,Jiangsu