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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However, in the same report, the IAEA says Iran has begun installing machines for creating highly enriched uranium at an underground site near the holy city of Qom.

然而，在同一份报告中，IAEA表示，伊朗已经开始在圣城库姆附近的地下工厂中安装用于制造高浓缩铀的机器。

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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