| 单词 |
actinouranium |
| 释义 |
actinouranium
ac·tin·o·u·ra·ni·um A5073200 (ăk-tĭn′ō-yo͝o-rā′nē-əm, ăk′tə-nō-)n. The isotope of uranium with mass number 235, fissionable with slow neutrons.
[actin(ium) + uranium.]actinouranium (ˌæktɪnəʊjʊˈreɪnɪəm) n (Elements & Compounds) the isotope of uranium that has a mass number of 235uranium 235
n. the radioactive uranium isotope having a mass number of 235 and that undergoes fission with a release of energy when bombarded with neutrons. [1935–40] actinouranium
actinouranium[‚ak·tə·nō‚yu̇′rā·nē·əm] (nuclear physics) A naturally occurring radioactive isotope of the actinium series, emitting only alpha decay; symbol AcU; atomic number 92; mass number 235; half-life 7.1 × 108 years; isotopic symbol 235U. MedicalSeeuranium 235 |
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