Enriching raw uranium is more expensive than converting highly enriched uranium to fuel grade.

浓缩原铀比将高浓缩铀转化至燃料品级更昂贵。

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The United States and Russia signed an agreement to dispose of sixty-eight tons of weapons-grade plutonium. They plan to use the plutonium as fuel for civilian nuclear reactors.

美国和俄罗斯签署协议，计划处置68吨武器级放射性钚，将其做为民用核反应堆的燃料。

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The Yongbyon facilities include a 5mw graphite-moderated reactor and a plant used to reprocess spent nuclear fuel from this reactor, including the extraction from it of weapons-grade plutonium.

宁边的核设施包括5兆瓦的石墨慢化反应堆以及后处理厂在内的一些已用乏燃料(烧过的核燃料后处理)再处理设施，还有为了研发核武器而进行钚提取的设备。

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On Monday,Iran formally notified the IAEA of its response to the nuclear-fuel swap deal, under which it would ship some low-enriched uranium to Turkey in return for higher grade fuel for a Tehran research reactor.

VOA: standard.2010.05.25

(Sound) Amid loud acclamations of approval, top hardline Iranian cleric, Hojatoleslam Ahmad Khatami warned the West that Tehran will produce its own high-grade uranium for a medical research reactor, if the UN International Atomic Energy Agency refuses to provide the fuel.

VOA: standard.2009.11.28

Watkins' one-person energy shop, Watkins Pencor , is a principal owner in Masada Oxynol , a Birmingham company that has devised a way to turn municipal solid waste into fuel-grade ethanol.

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The traces of highly-enriched (not just fuel-grade) uranium, their deception, their heavy water plant and other indicators brand their program as one designed to develop nuclear weapons even in the absence of considering their rhetoric about destroying Israel and ending the world.

CENTERFORSECURITYPOLICY: Next Steps in the Iran Crisis

Liquids are then filtered and gases are extracted through condensers ready for conversion to higher grade fuel.

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