“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	natural mapping natural matrix natural measure natural medicine natural medium natural metric natural mini-reserve of wetland natural model natural modification natural monopoly natural monopoly industry natural morphism natural moving frame natural necessity natural norm Natural novel natural nuclear reactor natural nucleotide natural nuclide natural number natural number of a logarithm natural number sequence natural numbers object natural object natural object, natural scene

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