The Isfahan conversion plant, which produces uranium hexafluoride (UF6, the uranium compound that is passed as a gas into the centrifuges to be enriched), is above ground and vulnerable to attack.

伊斯法罕的铀转化设施，是生产六氟化铀(UF 6，一种铀化合物转化为气体，进入离心机进行浓缩)的装置，在地表以上易于攻击。

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There it is transformed into uranium hexafluoride, which in turn is sent to gas diffusion plant to be enriched.

在那里它被转化为铀的六氟化物，再被送进气体扩散工厂作富集处理。

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It has converted yellowcake into uranium hexafluoride gas.

他们已经能将黄饼转化为铀的六氟化物气体。

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All commercial enrichment methods involve first gasifying the uranium with fluorine, creating the gas uranium hexafluoride.

FORBES: Energy & Genius

The Russians perfected a far less energy-hogging method that uses centrifuges to spin the uranium hexafluoride at 50, 000rpm so that heavier u-238 separates from lighter u-235.

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This opinion was bolstered by a statement in the report (in a footnote) that feeding the centrifuge cascades with its input uranium hexafluoride was stopped on November 16.

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