Volatile acidity (VA) General term for the substances in wine that are formed by the oxidation of alcohol (mainly acetic acid and ethyl acetate).
由于酒精氧化而形成于葡萄酒中的物质的总括(主要是醋酸和乙酸乙酯)。
A vinegary smell is caused by acetic acid, while a nail polish aroma reflects the formation of ethyl acetate.
像醋气味是由乙酸造成的,而指甲油味是由乙酸乙酯形成的。
The effects of catalyst quantity, acetic alcohol mole ratio, acetic acid and ethyl alcohol feed site, reflux ratio and reflux composition on the process are investigated.
对乙酸与乙醇酯化反应体系,考察了催化剂用量、酸醇比、进料位置、回流比、回流组成等因素对过程的影响。
Three-tower continuous distillation process of ethyl acetate from aldehyde condensation and purification by gas-phase oxidation of acetic acid and ethylene were also discussed.
加恒沸剂共沸蒸馏和乙酸萃取反应精馏过程。乙醛缩合法生产乙酸乙酯的三塔连续精馏过程以及乙烯与乙酸气相催化反应的加水精制工艺过程。
The thermodynamics of ethyl acetate synthesis by the esterification of acetic acid and ethanol was explored in the presence of DABF as catalyst, showing that the reaction is an equilibrium one.
用DABF作为催化剂,研究了乙酸与乙醇反应合成乙酸乙酯反应的热力学,通过热力学计算所得到的反应平衡产率与实验值基本一致。
During the wine fermentation, acetic acid in the damaged grapes reacts with alcohol to produce ethyl acetate which smells like the nail polish.
葡萄酒发酵时,破损葡萄中的醋酸与酒精发生反应,产生乙酸乙酯,闻起来如同指甲油的味道。
During the wine fermentation, acetic acid in the damaged grapes reacts with alcohol to produce ethyl acetate which smells like the nail polish.
葡萄酒发酵时,破损葡萄中的醋酸与酒精发生反应,产生乙酸乙酯,闻起来如同指甲油的味道。
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