“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	Shanghai Jiao Tong University Library Shanghai Jinqiao Chukou Jiagongqu Shanghai Jinshan Sandao Haiyang Shengtai Ziranbaohuqu Shanghai Journal Shanghai-Kunming High Speed Railway Shanghai Kunqu Opera Troupe Shanghai Lai-Wah Photographer Shanghai Land Regulations Shanghai laogang landfill Shanghai Lexicographic Publishing House Shanghai Library Shanghai Library（Institute of Scientific and Technical Information of Shanghai） Shanghai Longhua Memorial Hall of Martyrs Shanghai lunar new year woodblock prints on operatic motifs Shanghai Lu Xun Museum Shanghai Magazine Company Shanghai Marine Diesel Engine Research Institute Shanghai Maritime University Shanghai Master Plan Shanghai Media Group Shanghai Minhang Jingji Jishu Kaifaqu Shanghai Modern Theatre Shanghai Municipal Archives Shanghai Municipal Drama Academy Shanghai Municipal Experimental Opera School

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