It has converted yellowcake into uranium hexafluoride gas.

它已经把“黄”为六氟铀气体。

There was another example, and that was the famous case of the alleged contract between Iraq and Niger for the import of yellowcake, uranium oxide.

存在这样一个例子，是那个著名的被宣称的伊拉克和尼的冲突，因为“黄”-铀氧物-的进口。