“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	sequential polygeneration system sequential polymerization sequential probability ratio test sequential probability ratio test，SPRT sequential processing sequential programmable synthesis sequential programming sequential pull system sequential quadratic programming method sequential quadratic programming (SQP) method sequential queue sequential ratio test sequential resonant tunneling sequential risk function Sequential Samples Method sequential sampling sequential sampling inspection sequential sampling plan sequential sampling test sequential saturation mutagenesis sequential scanning sequential scheduling system sequential scheme sequential Search sequential search

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