The method of seeking rectifying factors in the mixed sample of alcohol, aldehyde and ester with chromatography is introduced.
介绍运用色谱技术对醇、醛、酯混合标样求校正因子的方法。
Synthesis of acyl azide from aldehyde, or acylhydrazine, or carboxylic acid , or acyl chloride, or anhydride, or ester is introduced in this paper.
介绍了由醛、酰肼、羧酸、酰氯、酐或酯合成酰基叠氮化合物方法。
The results indicated that the change process and the change trend of alcohol, acid, aldehyde and ester compounds were different.
发现了香气成分中部分醇类、酯类、醛类和酸类各自特殊的变化过程和变化趋势。
Among them, acid, aldehyde and ester were the main volatile components, which played an important role in flavor formation of Dushan greengrocery fermented.
其中酸、醛、酯是主体挥发物，对产品风味的形成起重要作用。
The results showed that the volatile constituents of Rhododendron athopogoides Maxim, mainly includes aliphatic acid and ester, aldehyde, ketone, aromatic and its heterocyclic compounds.
结果表明：烈香杜鹃精油化学成分以高级脂肪酸酯、酮、芳香族化合物及芳香杂环化合物为主。
The result indicated that the highest relative content in essential oil in the three periods is alcohol substance and the second is ester and aldehyde.
不同时期的黄褐毛忍冬挥发油中醇类物质含量均较高，其次是酯类、醛类等物质；
Yellow serofluid is a by-product during Luzhou style liquor production, which contains a large proportion of flavor components such as acid, ester, alcohol, aldehyde.
黄浆水是浓香型曲酒生产过程中产生的副产物，富含酸、酯、醇、醛等酒类所需香味成份。
For the fermented apple pomace, ester took up more than 50% in the total volatile products, with less than 15% of alkyl -, aldehyde and ketone.
发酵后苹果渣中挥发性物质中50%以上为酯类物质，醛、酮、酸类相对含量不到15%。
Through functionalization of an intermediate aldehyde, the corresponding cationic or zwitterionic cellulose ester derivatives can also be accessed.
通过醛中 间体官能化，还可获得相应的阳离子或两性离子型纤维素酯衍生物。
Through functionalization of an intermediate aldehyde, the corresponding cationic or zwitterionic cellulose ester derivatives can also be accessed.
通过醛中 间体官能化，还可获得相应的阳离子或两性离子型纤维素酯衍生物。
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