The study calculates that the plant has facilitated about six tonnes of weapon-grade or 90% enriched uranium.

该研究算出，这一工厂已经生产了大约6吨军用的或90%浓度的浓缩铀。

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The study calculates that China's Lanzhou plant, operating continuously at full capacity up to 1980, would have facilitated about six tonnes of weapon-grade or 90% enriched uranium.

该研究算出：在满负荷运转情况下，截止到1980年，中国的兰州厂生产了大约6吨军用的或90%浓度的浓缩铀。

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The MOX facility will blend surplus weapon-grade plutonium with depleted uranium oxide to make mixed oxide fuel for use in existing nuclear power plants.

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