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铀原子裂变为更轻的原子(aka裂变产物)。 Uranium atoms are split into lighter atoms (aka 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。 But they do not stop spontaneous fissions in fuel rods from fuel and fission products. | ||
现在，我们能够尝试获得的能量，就是这些裂变产物的动能。 Now the energy that we're trying to capture is kinetic energy of these fission products. | ||
但是约有百分之五的反应堆废料是高放射性裂变产物，包括钚和其他锕系元素。 But roughly 5 percent of reactor waste is highly radioactive fission products, including plutonium and other actinides. | ||
裂变过程中裂变碎片的放射性很强。 In fission processes, the fission fragments are quite radioactive. | ||
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. | ||
对于长寿命裂变产物核素热中子反应截面测量，除了上述意义外，在废物处理处置方面也具有实际应用价值。 The measurement of thermal neutron cross sections of long-lived fission products (LLFPs) also has practical application value in nuclear waste disposal. | ||
这也是易裂变同位素。 And this again is the fissile isotope. | ||
最后到这个裂变碎片，它开始于，氙，结束于钕，那是最后的裂变碎片。 And down on this fission fragment it starts with xenon and ends with neodymium which is the last fission fragment. | ||
研究了弱中子源驱动下，裂变系统中子裂变链统计涨落问题的数值计算方法。 A numerical method of the statistics fluctuation problem of fission chains is studied for fission system driven by a weak neutron source. | ||
