“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	smooth ergodic theory smoothest approximation smooth family smooth field smooth finish smooth flow smooth foliation smooth function smooth functional smooth graph smooth homeomorphism smooth homotopy smooth hypersurface smoothing smoothing approximate function smoothing capacitor smoothing choke smoothing choke coil smoothing cofactor conformality method of multivariate spline smoothing cofactor-conformality method of multivariate spline smoothing condenser smoothing effect smoothing factor smoothing formula smoothing function

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