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屏蔽吸收的电离辐射遵循 I(x) = I_0 \e^(-mu x) (其中 mu = 衰减系数)。对 mu = 0.2 /cm:(a) 厚度多少时 ?(b) 草绘。
屏蔽吸收的电离辐射遵循 I(x) = I_0 \e^(-mu x) (其中 mu = 衰减系数)。对 mu = 0.2 /cm:(a) 厚度多少时 ?(b) 草绘。
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