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伽马射线如何防护
更新时间: 2020-07-15 00:00:00  

伽马射线穿透力强,可以造成外照射,其防护的方法主要有以下三种:

1、 尽可能减少受照射的时间;

2、 增大与辐射源间的距离,因为受照剂量与辐射源的距离的平方成反比;

3、 采取屏蔽措施。在人与辐射源之间加一层足够厚的屏蔽物,可以降低外照射剂量,屏蔽的主要材料有铅、钢筋混凝土、水等。

关键词: 伽马射线 如何 防护

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