A radioactive heavy isotope of hydrogen, having two neutrons as well as a proton in the nucleus, which constitutes one part in 1018 of the…
| 单词 | θ79708 |
| 释义 | the world > matter > physics > atomic nucleus > nuclear fission > nuclear fusion > [noun] > fusion reactor > isotope used in (1) tritium1959 A radioactive heavy isotope of hydrogen, having two neutrons as well as a proton in the nucleus, which constitutes one part in 1018 of the… |
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