放射性系 radioactive families
radioactive series
- 已将其用于实践的目的,去鉴别元素和阐明放射性衰变系。
It had been used for practical ends, to identify elements and to unravel radioactive decay chains. - 氡是天然放射性惰性气体,是铀系衰变链中的一个衰变产物。
As a product from the uranium disintegration, radon is a natural radioactive idle gas. - 具有高放射性异常铅的穆家庄铜矿床位于南秦岭造山带柞(水)山(阳)地区的泥盆系中。
The Mujiazhuang copper deposit with high radioactive lead isotope compositions is located in Zha-shan area of the South Qinling Orogenic Belt.