Shouldn ' t snowpacks be sources of monocarboxylic acids 单羧基酸的来源将不是积雪？
2.
A review on application of monohydrated sodium bisulfate as catalyst in synthesis of ester , such as monocarboxylic esters , dicarboxylic esters , chloroacetates , hydroxycarboxylic esters , aromatic esters and the reusability of sodium bisulfate with 摘要介绍了一水硫酸氢钠在催化合成酯（如一元羧酸酯、二元羧酸酯、氯乙酸酯、羟基酸脂、芳香酸酯）中的应用及其重复催化性能。
