例如，最有可能理解核反应堆安全性的科学家是宣称反应堆不安全的核工程师。
The scientist most likely to understand the safety of a nuclear reactor, for example, is a nuclear engineer who declares that a reactor is unsafe.
核反应堆的活动区将原子一分为二，从中产生大量的能量，同时作为副产品，会产生大量的发射性很高的物质。
The active core of a nuclear reactor splits atoms in two to produce bursts of energy and, as a byproduct, large masses of highly radioactive particles.
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。
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.
由于池中有大量的辐照核燃料，放射性释放可能比25年前的切尔诺贝利核反应堆灾难更糟。
Given the large quantity of irradiated nuclear fuel in the pool, the radioactivity release could be worse than the Chernobyl nuclear reactor catastrophe of 25 years ago.
核反应堆通过加热堆心的放射性物质产生电力，然后用这些电力加热水产生蒸汽，再用蒸汽驱动涡轮发电机发电。
A nuclear reactor produces electricity by heating up the radioactive material in its core, which then heats water to produce steam. That steam is used to turn turbines that produce electricity.
他们当时对一种放射性元素钍很感兴趣，这种元素能驱动核反应堆，却不能制造生产成武器。
They had been interested in thorium — a radioactive element that can fuel nuclear reactors but not be processed into weapons.
日本当局把用于冷却核反应堆的海水又倒入了海中，此外还有从电站裂缝中泄露的被污染的水和空气中的放射性粉尘。
Authorities dumped some of the waste seawater used to cool the reactors back into the sea, where it joined contaminated water leaking from cracks in the plant and nuclear fallout from the air.
加拿大早在1944年就开始了核项目，1947年它建造了第一台试验性的核反应堆。
Canada began its nuclear program as early as 1944 and built its first experimental reactor in 1947.
问题在于争论选择产生每日产生积累的污染的燃煤还是小概率但是带来悲剧性结果的核反应堆熔毁。
The question boils down to the accumulating impacts of daily incremental pollution from burning coal or the small risk but catastrophic consequences of even one nuclear meltdown.
盖茨通过哈洛·伍德支持的项目，尝试创建一种替代性的核反应堆，这种反应堆产生能源而不会产生废物或是辐射。
Projects that Gates is backing through Myhrvold include an effort to create an alternative nuclear reactor that produces clean power without waste or proliferation.
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。
Unless you have a mechanism to remove that, the heat can build up and can eventually damage the radioactive fuel or the reactor.
周五，工作人员继续向受损核反应堆注水，试图冷却高放射性燃料棒防止其过热。
On Friday, workers continued to direct water on the damaged reactor buildings. It was an attempt to cool the highly radioactive fuel rods from overheating.
注意，这并不涉及核反应，只是简单的化学爆炸，它基本不会导致放射性物质泄漏出来。
Keep in mind, this is not a nuclear reaction, but a simple chemical explosion that often (as in this case) results in little or no radioactive material being leaked into the outside world.
当核反应堆的核心融化的时候，相互作用的核燃料会产生许多不同的放射性元素，他们的毒性各不相同。
As nuclear cores melt down, reacting nuclear fuel creates many different radioactive elements, all with different toxic effects.
据推测放射性钚元素来自受损核反应堆的核燃料棒.
The Plutonium is thought to have come from some of the plant's fuel rods found in each of the troubled reactors.
与此同时，核反应的作用会耗尽结构为{+7}的锂元素。如果核反应在超对称性的宇宙空间中进行，那么核反应的速度就能快于在标准模式控制下的宇宙空间中的反应速度。
Meanwhile, reactions that deplete {+7}Li should also have proceeded faster in a supersymmetric universe than in one that is governed only by the Standard Model.
法国电力公司发言人说，23日法南部的一个核反应堆的管道发生泄露，造成该公司100名工作人员受轻微放射性物质污染。
Radioactive particles spewed from a pipe at a nuclear reactor in Tricastin of southern France Wednesday, slightly contaminating 100 employees, said a spokeswoman for electric company EDF.
Demkowicz博士称，现在核反应的燃料燃烧率仅为约1%，所以就算在燃烧率上提高不多，也会减少放射性废料的排放。
At present, says Dr Demkowicz, reactors burn only around 1% of their fuel, so even a modest increase in fuel burn would leave less radioactive waste.
Jaczko表示，出于对核反应堆设计以及对事故性质的考虑，有害放射性物质抵达美国，包括夏威夷及美国本土的概率非常小。
Based on the reactor design and nature of the accident, there is very low probability of any harmful radiation levels reaching the United Sates, including Hawaii and U.S. territories, Jaczko said.
三月，日本福岛的发生了9.0级毁灭性的地震和巨大的海啸，之后该地的核反应堆中的三个处在了“部分熔融”的情况。
And "partial meltdown" was the case for three Japan reactors following the devastating earthquake and tsunami in March.
放射性碘有可能意外从核反应堆中泄漏。
Radioactive iodine can be accidentally released from a nuclear reactor.
服下碘片可以使得甲状腺充满足够多的碘元素，从而能够防止甲状腺吸收核反应堆泄露的辐射性的碘。
Taking the pills effectively fills the thyroid gland with enough iodine to prevent the gland from absorbing radioactive iodine, a harmful isotope emitted from a nuclear reactor.
在星期五地震中受到损坏的一个日本核电站又一次遭受爆炸性的冲击，但是官方称核反应堆活性尚且完好。
A second explosion has hit a Japanese nuclear plant that was damaged in Friday's earthquake, but officials said the reactor core was still intact.
在星期五地震中受到损坏的一个日本核电站又一次遭受爆炸性的冲击，但是官方称核反应堆活性尚且完好。
A second explosion has hit a Japanese nuclear plant that was damaged in Friday's earthquake, but officials said the reactor core was still intact.
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