“Sm-Nd dating”的概念、定义、翻译、参考文献-科学参考

单词	Sm-Nd dating
释义	Sm-Nd dating Encyclopedia 理学钐-钕定年释 Sm-Nd dating钐-钕定年在Sm-Nd同位素封闭系统中，利用147Sm放出一个α粒子与能量衰变成143Nd，由衰变定律根据母体147Sm的减少量、放射成因143Nd*增加的量计算系统Sm-Nd年龄的方法。
随便看	hardground hard gum spots HardHan Cafe Theatre hard head hard hexagon entropy constant hard image hard implicit function theorem hardiness hard information hard ionization hard landing hard language hard Lefschetz theorem hard lining hard link hard lump hard magnetic bubble hard magnetic material hard metal lung disease hard mode hardness hardness gauge hardness indenter hardness metrology hardness of ceramics

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