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放射性元素的衰变规律决定于原子核本身的特性,与原子所处的物理状态和化学状态均无关,这为鉴别古物的年代开辟了途径.下面介绍三种常用的放射性元素鉴年法.
The decay law of radioactive elements depends on the nature of the nucleus itself, and it has nothing to do with the physical state and chemical state of the atom. This opens the way for the identification of antiquities. The three commonly used radioactive element dating methods are described below.