英语词汇“barium 140”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	barium 140
释义	WordReference Random House Unabridged Dictionary of American English © 2024 barium 140, [Chem.] Chemistrythe radioactive isotope of barium having a mass number of 140 and a half-life of 12.8 days, used chiefly as a tracer.
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