The study on structure of criticallysafe multistage mixer-settler for the extraction process of high enriched uranium and plutonium has been completed.
为了可靠地进行高加浓铀和钚的萃取过程，研究了一种结构简单的临界安全的混合澄清槽。
2
A pulsed extraction column with an annular cross section can successfully provide large-cross-section and can be made criticallysafe for nuclear operation.
具有环状截面的脉冲萃取柱可以有效地提供更大的柱截面积，并且保证核燃料的临界安全。
3
Just when you thought it might be safe to go back to the multiplex, studio executives have announced plans for a follow-up to this year's critically panned romantic comedy, Valentine's Day.