一座裂变反应堆需要在可控的核裂变中运转。
A fission reactor works by maintaining a controlled nuclear chain reaction.
尽管核裂变反应堆可能重归流行，但是现在很少有人相信核聚变。
Few believe in fusion now, though uranium-powered fission reactors may be coming back into fashion.
日本有几种不同类型的裂变反应堆，但我们将焦点主要集中在发生重大事故的福岛第一核电厂。
There are several types of nuclear fission reactors in Japan, but we're going to focus on the Fukushima Naiishi plant, probably the most hard-hit facility in the country.
钚、铯以及锶本身就是有限资源，如果裂变反应堆技术先进到一定程度，它们又会成为燃料。
Plutonium, cesium and strontium are also limited resources, and if fissionreactor technology advances enough, they could become fuel sources themselves.
在快裂变反应堆的临界问题和超临界系统动力学过程的分析中，几何曲率有重要的应用价值。
The geometric buckling is of great value in application to criticality problem and analysis of dynamic process of supercritical system in fast fission reactor.
任何突然出现的过量中子数会加速裂变反应，增加反应堆能量输出。
Any sudden excess of neutrons will accelerate the fission reaction and increase the reactor's power output.
核反应堆的工作原理和其他的发电站很相似，不过它们并不是使用煤炭或煤气来生成热量，而是利用核裂变反应。
Nuclear reactors work in a similar way to other power plants, but instead of using coal or gas to generate heat, they use nuclear fission reactions.
在福岛核电厂的反应堆中，正常情况下控制棒本是用来停止裂变反应的，但现在它们已经失去这种效能了。
In Fukushima's reactors, the control rods were used to shut down the fission reaction, which they did correctly, but they've exhausted their use now.
燃料棒虽然停止工作，但仍然非常炙热，而且裂变反应生成的多种副产物也会产生很多热量，这些热量一直维持在反应堆的核心。
That's due to the heat that remains in the nuclear core, both from the recently-disabled but still-hot fuel rods and from the various byproducts of the fission process.
材料的快中子溅射性能直接关系到裂变和聚变反应堆材料的选择。
The sputtering performance of materials induced by fast neutrons is of vital importance to the selection of the materials for fission and fusion reactors.
核能发电的能量来自核反应堆中可裂变材料(核燃料)进行裂变反应所释放的裂变能。
The energy comes from nuclear power reactors in the fissile material (nuclear fuel) for the release of fission fission energy.
核能发电的能量来自核反应堆中可裂变材料(核燃料)进行裂变反应所释放的裂变能。
The energy comes from nuclear power reactors in the fissile material (nuclear fuel) for the release of fission fission energy.
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