释义 |
thorium-228 ThesaurusNoun | 1. | thorium-228 - radioactive isotope of thorium with mass number 228radiothoriumatomic number 90, thorium, Th - a soft silvery-white tetravalent radioactive metallic element; isotope 232 is used as a power source in nuclear reactors; occurs in thorite and in monazite sands |
thorium-228
Synonyms for thorium-228noun radioactive isotope of thorium with mass number 228SynonymsRelated Words- atomic number 90
- thorium
- Th
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