It proposes a method which improves reactivity of denitration products in hydrofluorination with ammonia reduction in order to produce high grade uranium tetrafluoride.

提出了一种在氢氟化过程中同时进行氨还原改善脱硝产品氢氟化反应性的方法，以便生产出高品位的四氟化铀。

youdao

A gravimetric method for measuring crystal water in uranium tetrafluoride is reported.

本文叙述了测定四氟化铀结晶水的重量分析方法。

youdao

It is experimental fact that a high grade uranium tetrafluoride can be prepared, if we use denitrated mixed uranium oxides produced by one and half step method.

实验证明，在此工艺中应用一步半法生产的混合铀氧化物可制备高品位的四氟化铀。

youdao

There are also a number of other unanswered questions about some of Iran's nuclear activities that have not been clarified, like its work in a more advanced centrifuge, its work with uranium tetrafluoride, which is a kind of a salt that's a step in the process that leads to uranium enrichment.

NPR: U.S., Iran Deadlocked on Iran's Nuclear Program