“钐-钕年代测定”的概念、定义、翻译、参考文献-科学参考

单词	钐-钕年代测定
释义	钐-钕年代测定 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	rank of a free group rank of a free module rank of a geometric object rank of a graph rank of a group rank of a lattice rank of a Lie algebra rank of a linear mapping rank of a linear transformation rank of a matrix rank of a module rank of an algebra rank of an algebraic group rank of an analytic mapping rank of an eigenvalue rank of an element rank of an elliptic curve rank of an ideal rank of an operator rank of a partition rank of a prime ideal rank of a projective module rank of a quadratic form rank of a relation rank of a ring

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。