Devitrified foam glass was prepared taking cullet as major raw material using V2O5 as nuclear agent and adding other auxiliary materials.

以碎玻璃为主要原料，用V2O5作成核剂，再加入其它辅助原料制备了微晶泡沫玻璃。

youdao

"I think that the biggest strategic threat to the United States faces today is the possibility of another 9/11 with a nuclear weapon or a biological agent of some kind."

VOA: standard.2010.02.14