The application of four acids as catalyst in the synthesis of mixing ester from mixing alcohol was studied.
本文研究了四种酸催化剂用于工业混醇与乙酸酯化合成混合酯的催化性能。
Medieval European alchemists made some useful discoveries, including mineral acids and alcohol.
中世纪的欧洲炼金术士有了一些新发现，包括无机酸和乙醇。
The constituents from pickle brine extracted with ethyl ether and identified by GC MS. In the result, 8 acids, 4 alcohol, 2 nitriles, 2benzines and 1 ester were identified.
首先，对雪里蕻腌菜卤汁的乙醚萃取浓缩液组分进行了鉴定，结果发现有机酸组分8个，醇类组分4个，腈类组分2个，酯类组分1个，芳香烃2个。
应用推荐