羟基的

Glycolipids (glycosyldiacylglycerols) are diacylglycerols with a sugar attached to the unesterified hydroxyl group.

糖酯类物质是由甘油二酯和糖结合未酯基形成。

The research on producing 10-hydroxy decanoic acid by alkaline scission of ricinolein acid is reviewed.

综述了碱热解蓖麻油酸合成10-基癸酸开发研究进展。

The chromogenic responding ability increases as the substituent changes from phenyl to naphthyl or anthryl.

实验结果表明，偶氮基团引入改善了8-基喹啉生色能力，并且在乙腈溶液中随着取代基由苯基变为萘基和蒽基时，合物收光谱发生红移。

Intracellular PHB depolymerase and 3 hydroxybutyrate dehydrogenase catalyze the initial reactions of intracellular PHB catabolism.

进一步比较研究了不同菌株PHB解聚酶和3基丁酸脱氢酶活性。

The primary synthetic methods of 4-hydroxycoumarin was reviewed starting from phenol, 2-acetylsalicylic acid, methyl salicylate, and o-hydroxyacetophenone respectively.

概述了4-基香豆素合成方法，重点介绍了苯酚法，乙酰水杨酸法，水杨酸甲酯法，邻基苯乙酮法。

The method is simple and rapid, it can be used for the determination of Hydroxy-benzenesulfonic acid monosodium salt sodium phenolsulfonate.

［结论］溴量法测基苯磺酸钠含量具有较高精确度和准确度，且方法简便、快捷、易于推广。

Glucose cyclizes to form asix- membered pyranose ring whilst five –carbon surgars and six-carbon ketose sugars (ketohexoses) such as fructnose rings.

环状结构 四碳糖和更大糖能环，醛基或酮基与糖另一碳原子上基反应。

The ring-opening polymerization mechanism of lactide in the presence of hydroxyl compounds was studied by using ferric ethoxide and ferric n-butoxide as catalysts respectively.

这些结果表明在含基合物丙交酯/醇铁聚合体系中,基合物作为共引发剂参与了丙交酯开环聚合。

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.

以甲基丙烯酰氯、甲基丙烯酸酐和甲基丙烯酸作酰剂，研究了胆酸甲酯分子中基反应活性。

The aurone compounds are generally on one plane ,and they have a bigger conjugate system .The inducement of hydroxyl substituents has little influence on their own geometries .

橙酮类合物分子共面性较强,为较大共轭体系,取代基接入,橙酮类合物共面性影响不大。