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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. | ||
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. | ||
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. | ||
固体的燃料弹（陶式氧化物母体）是第一道防护，隔开裂变过程中产生的裂变放射。 The solid fuel pellet (a ceramic oxide matrix) is the first barrier that retains many of the radioactive fission products produced by the fission process. | ||
裂变还释放出两到三个自由中子。 Fission also releases two or three free neutrons. | ||
铀或钚的同位素被称为裂变材料，即我们可以利用自由中子去轰击它们来产生裂变反应。 The uranium or plutonium isotopes are referred to as "fissile," which means we can use them to induce fission by bombarding them with free neutrons. | ||
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. | ||
