tāng
〈名〉
化学名词, "羰基", 也叫"碳氧基"、 "碳酰基"(=CO) [carbonyl], 是由碳酸减去氢氧原子团而砀复基

Advanced Chinese dictionary. 2013.

Игры ⚽ Нужно сделать НИР?

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