METHOD HPLC method was used to determine the content of 23 acetyl alisol B in different samples.

方法采用高效液法测定各样品中23-乙酰泽泻醇B的量。

The enzyme activity test results showed that aldonase could transform Nacetyl-D-ManNAc into N-acetyl-D-neuraminic acid very efficiently.

经纯化后催化活性实验结果表明,醛缩酶可将N-乙酰-D-甘露糖胺高效率地转化为N-乙酰-D-神经酸,表现出较高的催化活性。

N-acetyl-D-neuraminic acid is an important representative of a distinct class of aminosugar compounds-neuraminic acid, and has potential commercial value.

乙酰-D-神经酸是一类特殊的基糖的重要代表,有重要的医药应用价值。

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,选用乙酰氯作酰化剂、二氯甲烷作酰化溶剂,测定环氧基聚酯的羟值。

Edible Wild Herbs of Cat Pow contains renieratene, vitamin, protein, fat, sugar, crude fiber, potassium, calcium, magnesium, pterosin, acetyl-pterosin, bilineurine, sterine and other 18 amine acids.

蕨菜嫩萝卜素、维生素、蛋白质、脂肪、糖、粗纤维、钾、钙、镁、蕨素，蕨甙、乙酰蕨素、胆碱、甾醇此外还有18种基酸等。

Methyl thioacetate was prepared by using acetyl chloride and methyl mercaptan as starting raw material in this paper.The yield of product is 69.3%.Itcan be used in seasoning flavor.

对可用于各种调味香精的食用香料硫代乙酸甲酯的合成进行了初步研究，产率达到693％，对所合成的产品做了红外光分析和质子核磁共振分析，确定了其化学结构。