英语词汇“thorium-228”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-新都网

单词	thorium-228
释义	thorium-228 (extremely rare) n WORD FAMILY thorium-228 n radioactive isotope of thorium with mass number 228 Syn\|Hyper radiothorium Th, atomic number 90, thorium 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
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