radiogenic lead
英
美
网络 放射成因铅; 放射性成因铅
双语例句
- The presence of more radiogenic lead in the Yamansu Formation than in the Qi'eshan Group is mainly because its continental crustal basement was thicker so that it was subjected to stronger contamination with continental crust.
雅满苏组比企鹅山群富放射成因铅主要是由于其陆壳基底厚度较大，较强的陆壳混染造成的。 - Computer Algorithms of Date Equations of Radiogenic and Common Lead
放射成因铅与普通铅年龄方程的计算方法 - The low Th and U content of the copper ores suggests that the Pb isotopic compositions of this type of ores are normal lead instead of radiogenic lead.
而且，铜矿石的低U、Th含量为该类铜矿石的铅是正常铅提供了合理的解释。