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

通过成本比较,认为丙是合适的化剂。

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

通过对其化析,用作化剂、二甲烷作化溶剂,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.

以甲基丙烯、甲基丙烯酸酐和甲基丙烯酸作化剂，研究了胆酸甲酯子中羟基的反应活性。