搜索 - 科创

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虎哥发表于 2014-5-1 21:35 内照射会死得很惨的，理论上只需要一个α粒子轰击到内脏细胞，就可能诱发肿瘤，因此没有安全剂量。α离子。。虎哥，有没有锶90呢，这个纯β射线没事吧……

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