Based on the Monte Carlo MCNP code, the changes of radiation dose at the shield water 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。

youdao

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》

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.

Ferguson说这样做避免了纳米硅颗粒与空气中微量水发生反应的可能性。

youdao

The jouster, wearing only white clothing (like the rest of the crew), stands on a wooden platform (called a tintaine) that extends off the boat about 3m above the water, carrying a 70cm tall shield and a 2.8m lance with which to knock the opponent into the river or canal below.

BBC: Water jousting in southern France

This was ostensibly manned by the pro-Congolese government militia known as the Mai Mai after the water they douse themselves with to create a magical, bullet-proof shield.

BBC: NEWS | Africa | Retracing Che Guevara's Congo footsteps