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Sm-Nd dating
释义
Sm-Nd dating
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理学
钐-钕定年
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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。
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