The propionyl chloride was found to be the appropriate acylating agent in terms of the cost.

通过成本比较,认为丙酰适的酰化。

The hydroxyl value of epoxy-containing polyester was determined by analyzing acetification principle and using acetyl chloride as acetifier and methylene chloride as solvent.

通过对其酰化原理分析,用乙酰作酰化、二甲烷作酰化,定含环氧基聚酯的羟值。

Acylation activity of hydroxyl groups in methyl cholicate has been determined by the use of methacryloyl chloride, methacryloyl anhydride and methacrylic acid as the acylating agents.

以甲基丙烯酰、甲基丙烯酸酐和甲基丙烯酸作酰化，研究了胆酸甲酯分子中羟基的反应活性。