英语词汇“thermal neutrons”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	thermal neutrons
释义	Collins Concise English Dictionary © HarperCollins Publishers:: thermal neutrons pl n slow neutrons that are approximately in thermal equilibrium with a moderator. They have a distribution of speeds similar to that of the molecules of a gas at the temperature of the moderator. Data concerning nuclear interactions are often given for standard thermal neutrons of speed 2200 metres per second, which is approximately the most probable speed at normal laboratory temperatures
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