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钐-钕年代测定
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钐-钕年代测定
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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。
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