Under it, Iran would give up most of its uranium stockpile in return for enriched fuel for a medical reactor.
根据这份合约，伊朗将放弃它的大多数储备铀以换取医用反应器的高浓度燃料。
Each "pebble" in a pebble-bed gas reactor is a graphite fuel sphere the size of a tennis ball.
在一个球形气体反应堆里的每一个“小球”都是一个网球大小的石墨燃料球。
They have produced a reactor which transforms unwanted waste materials into high quality fuel.
它们制造了一台可将没用的排泄物转化成高能燃料的反应器。
Among other things, his team has designed a nuclear reactor that would use nuclear waste as its fuel.
除此之外，他的团队设计了一个将核废料作为燃料的核反应堆。
Reactor operators decided to take drastic action to prevent further melting of the fuel and a possible breach of the containment vessel.
管理人员决定采取极端措施以防止燃料进一步的熔化和安全壳的破损。
And this is a real model of fuel element - the main part of a reactor.
这是反应堆的主要部件——燃料元件的等大模型。
Put several fuel assemblies into the core of a nuclear reactor, and the amount of energy released gets even higher.
把几个燃料组件放到核反应堆的中心，释放的能量会更高。
The sea water appears to have been brought in as a substitute for the regular water used as coolant for the uranium fuel rods at the heart of the reactor.
海水是作为普通水的替代品而引入的，普通水是反应堆核心铀燃料棒的冷却剂。
Uranium 235 — the fuel inside a nuclear reactor — undergoes nuclear fission.
铀235——反应堆中的燃料——经过核裂变。
When a reactor shuts, pumps continue to move water over the fuel rods. The electricity to run the pumps usually comes from off-site power supplies brought in by transmission lines.
当反应堆停运，泵将冷却水连续通过燃料棒，水泵的电力通常是来自外部电源。
There was a real possibility of a leak in the No 4 reactor container, which houses the nuclear fuel rods, according to Murray Jennex, a professor at San Diego State University in California.
圣地牙哥州立大学副教授杰尼克斯说，燃料棒外面的4号反应堆的外壳相当有可能出现裂缝。
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。
And then the fuel assemblies are placed into the reactor and the core is operated for about a year to eighteen months before it has to be re-fuelled and fresh fuel has to be put in.
燃料组件会被放置入，反应堆，还有核心会被运作大约一年，到18个月，在它再次燃烧，新的燃料需要加进去。
Japan itself had a Level 4 accident in 1999, when three workers preparing fuel for a reactor at a Japan Nuclear Fuel Conversion plant triggered a nuclear chain reaction, called a criticality.
日本在1999年就曾发生过一次4级核事故（又称“东海村核事故”——译注），当时在日本核燃料转换公司（Japan NuclearFuel Conversion）的一个燃料厂内，三名正在为反应堆准备燃料的工人引发了一次链式核反应，使反应堆达到临界状态。
Iran is the only country so far to have built a uranium-enrichment plant before having even a single working reactor that would need its uranium as fuel for the reactor core.
伊朗是迄今为止唯一的、在尚未拥有哪怕一座需要以本国铀元素充当堆芯燃料的已运作反应堆之前却已建成铀浓缩工厂的国家。
A meltdown occurs when nuclear fuel rods cannot be cooled, thus melting the reactor core and causing a release of radioactivity.
如果核燃料管无法降温，就会发生熔毁，到时反应器的内核也会熔化，从而引起核泄漏。
Russia jumped in earlier this year by supplying nuclear fuel to India, claiming "safety" as a reason for providing uranium to an Indian reactor that could simply have been shut down.
今年早些时候，俄罗斯跳出来给印度提供核燃料并声称“安全”，因为提供给印度的铀用于可简单关闭的反应堆。
The active reactor zone is a laying of graphite blocks with cylindrical fuel apertures.
主动反应堆区域由石墨包裹的圆柱形燃料棒堆积排列而成。
Unless you have a mechanism to remove that, the heat can build up and can eventually damage the radioactive fuel or the reactor.
除非你有途径将它移除，否则热量将积累并最终破坏放射性燃料或核反应堆。
The more the fuel is exposed, the closer the reactor comes to a full meltdown.
也就是说燃料棒暴露的越多，那么越容易全部熔化。
By contrast, reactors have strong containment vessels that stand a better chance of bottling up radiation from a meltdown of the fuel in the reactor core.
相反，反应堆拥有非常坚固的围阻体，可以承受由于反应堆堆芯融化而产生的大剂量辐射。
A: You may have noticed that the International Atomic Energy Agency Director General ElBaradei has proposed a draft agreement on the nuclear fuel supply of Tehran's research reactor.
答：你可能已经注意到，国际原子能机构总干事巴拉迪已就德黑兰研究堆燃料供应问题提出协议草案。
Even a Russian-built reactor at Bushehr that is now being put through its technical paces before coming on-stream later this year will operate on Russian-supplied fuel.
即便是由俄方在布什尔建造的、正在进行启动前技术调试的反应堆，也将使用由俄国提供的燃料。
We have to decide on how long a life of the reactor core we want and by lifetime we mean the time from when we start the reactor to the time that we need to re-fuel.
我们需要决定反应堆核心的一期有多长，寿命，我们指的是，我们开始反应堆的时间到，我们需要换料的时间之间。
A third site that was once used as a storage centre for spent reactor fuel is now a brick-strewn wasteland.
曾经作为反应堆废料储存中心的第三所设施，现在也遭到废弃，遥遥欲坠。
A third site that was once used as a storage centre for spent reactor fuel is now a brick-strewn wasteland.
曾经作为反应堆废料储存中心的第三所设施，现在也遭到废弃，遥遥欲坠。
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