单词 | uranium 235 |
释义 | uranium 235 uranium 235 n.(名词)The uranium isotope with mass number 235 and half-life 7.13 × 108 years, fissionable with slow neutrons and capable in a critical mass of sustaining a chain reaction that can proceed explosively with appropriate mechanical arrangements. 铀235:这种铀的同位素,质量数235,半衰期为7.13×108年,可与慢中子发生裂变,并在临界质量中能维持连锁反应,此种反应能通过适当的机械排列爆炸性地开始 |
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