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

通过成本比较,认为丙氯是合适的。

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

通过对其原理分析,用乙氯、二氯溶,测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.

以基丙烯氯、基丙烯酸酐和基丙烯酸，研究了胆酸酯分子中羟基的反应活性。