“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	reversed reversed evolution reversed-field configuration reversed field pinch reversed flow of qi reverse dictionary reversed image reverse-dispersion fiber reversed line reversed magnetic shear configuration reversed martingale reversed micellar extraction reversed micelles extraction reversed micellestabilized room temperature fluorimetry reverse double focusing mass spectrometer reversed-phase chromatography reversed phase high performance liquid chromatography reversed phase high performance liquid chromatography (RP HPLC) reversed phase high performance liquid chromatography (RP-HPLC) reversed-phase micellar extraction reversed-phase micellar extraction; reversed micellar extraction reversed process reverse drag structure reversed rotation reversed telephoto lens

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。