Based on the Monte Carlo MCNP code, the changes of radiation dose at the shieldwater tank surface during the process of lost water is studied.
基于蒙特卡罗方法的MCNP程序，研究了反应堆屏蔽水箱失水过程中的水箱表面辐射剂量的变化情况。
2
Water is not an effective shield against the sun's more harmful rays.
水不能有效阻挡太阳中更有害的射线。
《牛津词典》
3
Ferguson said this was done to shield the particles from the air because the silicon nanopowder is so reactive it could theoretically generate hydrogen with exposure to even minimal amounts of water.