而且半衰期是针对（极）大量原子而言他是一种类似统计的正确，不能apply to少量原子
所以应该可以忽略你所说得电子吸收问题
consider Avogadro constant of 6E23, and calculate how many atoms
there are in an 1cmx1cmx1cm cube.
even only one out of a million of the atoms are isotopes, you get a huge lot of them. You always get a large enough population in statistical sense.
even only one out of a million of the atoms are isotopes, you get a huge lot of them. You always get a large enough population in statistical sense.
Huasing Association 1999 - 2013