The discovery of a plant for making potentially weapons-usable uranium, dug secretly into a mountain on a military compound near the city of Qom, means that the test of their sincerity is Iran.

隐藏在圣城科姆附近军事广场深山中制造未来核武器可使用的铀的工厂的发现，意味着检验他们对承诺的忠诚的试金石就是伊朗。

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This month, the United States, Russia and the IAEA worked to return highly-enriched uranium from Uzbekistan to a nuclear facility in the Russian city of Dmitrovgrad.

这个月，美国、俄罗斯和国际原子能机构合作，使一批高度浓缩铀从乌兹别克斯坦交还给俄罗斯城市德米特罗夫·格勒。

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The investigation results on natural uranium concentrations in drinking water sources, Hei River and Ba River, in Xi 'an City are presented in this paper.

对西安市生活饮用水源黑河与灞河水体中天然放射性元素铀含量进行了调查。

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Tehran also notified the IAEA last week that it was installing more advanced centrifuge machines at its uranium-enrichment facility in the city of Natanz, potentially providing Iran the ability to triple its nuclear-fuel production at the site.

WSJ: Iran Says It Is Set for Nuclear Talks, but West Is Skeptical

Ore from the mine is processed at Jaduguda into a substance called U308 - commonly known as yellow cake - and then sent to the Nuclear Fuel Complex in the southern city of Hyderabad, where uranium fuel rods are produced.

CNN: NUCLEAR FALLOUT

What did happen was that the Enola Gay, an American B-29 bomber, dropped a uranium-based atomic bomb on the Japanese city of Hiroshima.

FORBES: The Nuking Of Japan