... 炔酮 alkynone 缩酸醇树脂 alkyol resin 尿囊素酶 allantoinase ...
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用不同摩尔比的己二酸，一缩二乙二醇合成不饱和聚酯树脂，并对增韧效果进行研究。
Synthesis of unsaturated polyester resin with different mole ratio of adipic acid to diethylene glycol and effects of toughening were studied.
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