英语词汇“technetium 99”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	technetium 99
释义	technetium 99 tech·ne·ti·um 99 (⁹⁹Tc), (tek-nē'shē-ŭm), A radioisotope of technetium that is the decay product of technetium-99m and has a weak beta emission and a physical half-life of 213,000 years.
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technetium 99