“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	literary genres literary geographical names Literary Geography Literary Guide literary history literary image literary inquisition literary inquisition caused by "Chegaiting" poem literary inquisition caused by Jianghuji collection of poems literary inquisition of Hu Zhongzao literary inquisition of Mao Zhongzhuo for his bookstore's preface to eight-part essays literary inquisition of Peng Jiaping literary inquisition of Wang Xihou for his Zi Guan literary inspirations from landscape literary interpretation literary linguistics literary magazine Literary Market Place literary mirror Literary Mirror of Song Dynasty literary models Literary Morality Literary moral value literary morphology literary motif

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。