核材料辐射出的γ射线对人体有很强的辐射损伤,实际工作中多用铅玻璃对其进行屏蔽.以甲状腺为研究对象,应用蒙特卡罗方法通用软件MCNP4B程序建立模型,模拟计算了操作人员在操作核弹头时,弹头中产生的γ射线透过各种厚度的铅玻璃时人体甲状腺吸收剂量率.结果表明,铅玻璃确有良好的降低γ射线吸收剂量率的作用.
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