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。

youdao

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。

youdao

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。

youdao

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

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.

FORBES: Show Me the Money

That is presuming that the Iranian claim to have the capacity to produce in abundance the higher-grade fuel is correct.

CNN: What does Iran want from nuclear talks?

This has led to a spike in demand, which has actually shifted toward higher-grade fuel, while at the same time cramping investment.

FORBES: The Paradoxes Of Emerging Markets: Fuel Shortages In Argentina