“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	small computer system interface, SCSI small country with few inhabitants small covering machine small cup small cycle small cytoplasmic RNA small deflection bending of thin plate small deformation small denominator small diagram small diagram schema small-diameter source small difference colorimetry small dimension small divisor small ecological-clean watersheds small engineering of store,drainage and draw water smaller bronze ding vessel of Yu smaller element smaller tea tortix smaller than smaller topology smallest algebra smallest chain smallest closed extension

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。