“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	azimuth circle azimuth compressing azimuth constant azimuth correction azimuth-determination GNSS receiver azimuth-elevation azimuth equation azimuth error azimuth laterologging device azimuth line azimuth mark azimuth mounting azimuth parameters azimuth photography of crime scene azimuth quadrant azimuth-range azimuth reflection acoustic logging azimuth shift azimuth star azimuth surveying azimuth telescope azinomycin azinomycin B azirane aziridine

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