Hours after the fuel rods started to melt, the heat.
在燃料棒开始融化后一段时间里，热量可能融化四到八英寸厚的反应堆的容器钢壁。
The reactor they were studying operated on fuel rods.
核查人员检查的反应堆以燃料棒为燃料。
The fuel rods are bundled together in the core of the reactor.
燃料棒被束在一起放置于反应堆的核心。
The main problem was the lack of water to cool spent fuel rods.
目前其主要问题就是缺乏足够的水来冷却废弃的核燃料棒。
The fuel rods' zirconium casings then begin to react with the steam.
燃料棒的锆合金棒体开始和蒸汽反应。
They are not contained in the same kind of vessel as active fuel rods.
和使用中的激活燃料棒不同的是，这些用过的燃料棒没有存放在相同类型的容器中。
Of greatest concern are the spent fuel rods stored at reactor Nos. 3 and 4.
最令人担忧的是存放在3号和4号反应堆的用过的核燃料棒。
The material would then have been sent on to France to be turned into fuel rods.
原料本应送到法国制成条形燃料。
But they do not stop spontaneous fissions in fuel rods from fuel and fission products.
但他们并没有阻止自然地发生在来自核燃料和裂变产物的燃料棒上的裂变。
The storage pools, which contain used fuel rods, also need a constant supply of water.
用来存放核废料的储存池也需要立刻灌水冷却。
On Saturday, specialists from both countries loaded uranium packed fuel rods into the reactor.
星期六，两国的专家们把装有铀的核燃料棒加载进核反应堆。
Under the pact, Russia will supply the fuel for Bushehr and then take back the spent fuel rods.
根据条约，俄罗斯为布什尔提供核燃料，同时回收废核燃料棒。
Japanese experts say the fuel rods inside the reactor were fully exposed to the air and melted.
日本专家说，反应堆内的燃料棒完全与空气接触并融毁。
With the cooling system down, the water that surrounds the nuclear fuel rods began to burn off.
在冷却系统失灵的情况下，核燃料棒周围的水开始蒸发。
If the fuel rods became damaged they would release radioactive material into the remaining coolant.
如果燃料棒损坏，放射性物质会进到剩余的冷却剂中。
They switched to military fire engines to douse the reactors and the pools of spent fuel rods beside them.
他们换成军用消防栓来冷却反应堆和燃料池。
The company stores spent fuel rods on its premises because there is no consensus on where else to put them.
公司在经营场所储存了大量的废弃燃料棒是因为没有就它们的存放点达成一致意见。
Some of the salt might be settling to the bottom of the reactor vessel rather than sticking to the fuel rods.
部分盐也许会沉入反应堆容器的底部，而不会粘在燃料棒上。
Japanese workers are scrambling to control a nuclear plant after a fire that may have burned several fuel rods.
日本的一个核电站发生火灾后，可能已经烧掉几个核燃料棒，日本工人们正艰难地掌控着它。
Once the reactor's control rods are between sections of fuel rods, how is fission slowed to where it is controllable?
一旦反应堆的控制杆置于核燃料棒的中间了，我们应该怎么将裂变减慢到我们可控制的程度呢？
The big question is how much of that salt is still mixed with water and how much now forms a crust on the uranium fuel rods.
主要的问题在于这些盐中又多少还溶于水中，又有多少现在在铀燃料棒表面形成了一层外壳。
They plan to encapsulate depleted fuel rods - unlike France there is no reprocessing here - in copper-coated cast-iron canisters.
他们计划将耗尽的燃料棒封装进铜涂层的铸铁罐——而法国人没有进行再加工。
The IAEA wants Iran to send most of its uranium stockpile to Russia and France to boost it to 20 percent and turn it into fuel rods.
国际原子能机构要求伊朗将其库存的大部分铀送往俄罗斯和法国，以便将这些铀的纯度提升至20%，并转化成燃料棒。
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。
A partial meltdown can occur when radioactive fuel rods, which normally are covered in water, remain partially uncovered for too long.
通常燃料棒处于水中，一旦有部分长时间暴露于水的话，就会熔化。
Work at the plant continued on Sunday to improve the water-pumping system that is attempting to keep the reactor and spent fuel rods cool.
星期天，核电站内的工作人员继续改善冷却核反应堆和燃料棒的排水系统。
Overheating fuel rods then discharge gaseous forms of certain volatile radioactive elements, including cesium, iodine, strontium and tellurium.
然后过热燃料棒释放出某些气态易挥发放射性元素，比如铯、碘、锶和碲。
Soon, the water had burned off and the fuel rods were exposed -- allowing them to emit levels of heat and steam that can melt the reactor's core.
水很快蒸发殆尽，燃料棒部分露出冷却，这样可将熔毁反应堆核心的热量和蒸汽散发出来。
Soon, the water had burned off and the fuel rods were exposed -- allowing them to emit levels of heat and steam that can melt the reactor's core.
水很快蒸发殆尽，燃料棒部分露出冷却，这样可将熔毁反应堆核心的热量和蒸汽散发出来。
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