The propionyl chloride was found to be the appropriate acylating agent in terms of the cost.
通过成本比较,认

氯是合适的
化
。
The propionyl chloride was found to be the appropriate acylating agent in terms of the cost.
通过成本比较,认

氯是合适的
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
化原理分析,选用乙
氯作
化
、二氯甲烷作
化溶
,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.
以甲基
烯
氯、甲基
烯酸酐和甲基
烯酸作
化
,研

酸甲酯分子中羟基的反应活性。
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