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单词
MMA
释义
MMA
Encyclopedia
工学
丙酮
释
methyl methacrylate;MMA
甲基丙烯酸甲酯
一种α位带有甲基的酯类化合物。为无色易挥发液体,易燃,熔点-48℃,沸点101℃,溶于乙醇、乙醚、丙酮等多种有机溶剂,微溶于水,在光、热、电离辐射和催化剂存在下易聚合。主要用于生产聚甲基丙烯酸甲酯、聚氯乙烯助剂和用作腈纶生产的第二单体,还可以用于生产涂料、黏合剂、润滑剂、纺织染料等。
Astronomy
MMA
全称:Milli-Meter Array。毫米波射电望远镜阵
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