According to the Belfer Centre at Harvard University, there is around 1.6m kg of highly-enriched uranium and 0.5m kg of weapons-grade plutonium in the world.
据哈佛大学贝尔弗尔科学与国际事务研究中心的估计，全球大约有160万千克的高浓缩铀，以及50万千克的武器级钚。
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。
In Washington, a military intelligence official told a Senate committee that Iran could be one year away from producing enough highly-enriched uranium for a nuclear weapon.
在华盛顿，一名军事情报官员告诉参议院委员会，伊朗可能在一年后生产出足够的可用于制造核武器高浓缩铀。
An analysis of highly-enriched uranium-heavy water lattice was made recently using few-group diffusion theory and the equivalent diffusion of control rods and target assemblies.
利用少群扩散理论和控制棒与靶件的等效扩散处理方法进行了高浓铀-重水栅的分析计算。
Now all that remains is for Mr Obama to persuade nearly 30 other countries with stocks of highly enriched uranium, not to mention his own electorate, to do the same.
奥巴马先生现在剩下的只是说服其他近30个拥有高富集铀储备的国家采取相同行动——当然还要说服他自己的选民。
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。
Professor Bunn says there are currently about 130 research reactors around the world that still use highly enriched uranium for fuel.
邦教授提到目前全世界大约有130个利用高浓缩铀作为燃料的反应堆。
Some are getting rid of their stocks of highly enriched uranium or plutonium, both used in bombs. Others are lowering the risk of proliferation from reactors.
有些国家正在清除其存储的可用于制造核武的高浓缩铀和钚，有些国家正在降低核反应堆扩散的风险，还有一些国家将在会议上签署协议并支持国际原子能机构的工作。
America is already blending down some of its highly enriched uranium to make it available for civilian use.
美国已经将一些高浓铀稀释使得可以用以民用用途。
There have been 18 documented cases of theft or loss of highly enriched uranium or plutonium, and perhaps others not yet discovered.
共发生过18起有案可查的高纯度浓缩铀或钚失窃或流失案例，也许还有其他尚未发现的此类案例。
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。
There are vulnerable nuclear stocks in dozens of states, but the most at risk are in Pakistan, Russia and countries with highly enriched uranium-fueled reactors.
很多国家的核储备都易外流，但是最危险的是巴基斯坦、俄罗斯以及那些拥有把高浓度铀作为燃料的反应堆的国家。
Hutcheon receives samples from nuclear facilities throughout the world.He then tests them for evidence of illegal materials like highly enriched uranium.
赫琴收到的样本来自世界各地的核设施，他对其进行检测以寻找诸如高浓缩铀等非法材料的线索。
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。
The United States has been working to remove highly enriched uranium from a Pakistani nuclear reactor, out of concern that it could be used to build an illicit nuclear device.
美国已从巴基斯坦转移了大量的高浓缩铀，毫无疑问，这些高浓缩铀将会被用于建造一个非法的核武器装置。
The IAEA assesses these things using a measure of militarily "significant quantity" : the amount of highly enriched uranium (25kg) or separated plutonium (8kg) it would take to make a weapon.
IAEA根据军事上“相当数量(significant quantity)”的标准估计：25kg高浓缩铀或者8 kg分离钚就可以制造一件核武器。
Highly enriched uranium can be produced in China.
中国现今能生产高富集铀。
It calls for Iran to trade about 80 percent of its domestically produced low-grade uranium for more highly enriched nuclear fuel from France and Russia.
协议草案要求伊朗用80%的自行生产的低纯度的铀从法国和俄罗斯换取高浓缩的核燃料。
Its nuclear warheads use an implosion design with a solid core of about 15-20 kilograms of highly enriched uranium.
它的核弹头使用爆炸设计有一个由约15 - 10千克高纯度浓缩铀组成的实核。
Canada a 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。
Oreshoots highly enriched in copper and gold in the deposit were actually ore mylonite formed by ductile shearing and subsequent fluid overprinting.
矿床中高度富集铜和金的矿石是韧性剪切形成的矿石糜棱岩受退变质流体叠加而成。
Oreshoots highly enriched in copper and gold in the deposit were actually ore mylonite formed by ductile shearing and subsequent fluid overprinting.
矿床中高度富集铜和金的矿石是韧性剪切形成的矿石糜棱岩受退变质流体叠加而成。
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