| 单词 | thermal speed |
| 释义 | > as lemmasthermal speed thermal speed n. the speed characteristic of a thermal neutron. ΘΚΠ the world > matter > physics > atomic nucleus > nuclear fission > nuclear reactor > [noun] > thermal or slow reactor > neutron with low energy > characteristic speed of thermal velocity1936 thermal speed1959 1959 Listener 19 Nov. 872/1 At slow or ‘thermal’ speeds neutron capture by nuclei of Uranium 238 is less important. < as lemmas |
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