而铀需 要被开采及浓缩成高浓缩铀(highly enriched uranium, HEU)；而钸则是非天然产物，要 经过反应炉的提炼。经过这些复杂的手续方能提炼出武器级的铀与钸。
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...take well care too 是什么意思? ... as follow » 如下 highly enriched uranium » 高浓缩的铀 Looking for something » 在找什么东西 ...
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高浓铀(Highly Enriched Uranium，HEU)是指U富集度大于或等于20％的铀。至于为什么以20％作为高、低浓铀的分界，主要是基于对反应堆中铀的初...
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Canada agreed to give up a significant quantity of highly enriched uranium.
加拿大同意放弃相当数量的高纯度浓缩铀。
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。
Ukraine said it would get rid of its highly enriched uranium, left over from dismantled Soviet-era weapons.
乌克兰表示它将销毁其从苏联时代武器中遗留下来的高浓度铀。
It promised to give up all of its highly enriched uranium by two thousand twelve.
VOA: special.2010.04.17
Tehran has not,as yet, agreed to the terms of a UN-draft deal to trade for highly enriched uranium from France and Russia.
VOA: standard.2009.12.18
"With the highly enriched uranium you are still dealing with three to five years to create a weapon."
VOA: standard.2010.04.14
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