methylene group是什么意思 methylene group怎么读
methylene group的英文翻译是什么意思，词典释义与在线翻译
Noun:- the bivalent radical CH2 derived from methane
methylene group的用法和样例
- The carbide reacts with hydrogen on the surface to give a methylene.
碳化物与氢在表面反应产生亚甲基。 - Kodak company describes open chain reactive methylene two-equivalent yellow-forming conplers.
柯达叙述了一种直链的活性亚甲基两当量的黄成色剂。
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