“samarium-neodymium dating”的概念、定义、翻译、参考文献-科学参考

单词	samarium-neodymium dating
释义	samarium-neodymium dating Encyclopedia 理学核分析技术释 samarium-neodymium dating钐-钕年代测定根据样品中147Sm经α衰变形成稳定的143Nd的放射性衰变规律，以非放射成因的稳定同位素144Nd作为参考核素，测量封闭体系中147Sm/144Nd和143Nd/144Nd的含量比值，来计算样品年龄的一种放射性同位素年代测定方法。
随便看	Clark Memorandum Clark oxygen electrode clash clash of civilizations clasolite CLASS class class 1 graph class 2 graph class AC class action class analysis Class and Class Conflict in Industrial Society class boundaries class BPP class calculus class categorical in power class character class contradiction and non-class contradiction class diagram class equation classes and stratum classes组间平方和阵 classfication of photography Classfied Treatments Based on Cateɡorical Identification

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。