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化的羟形成的。

This paper reviews the research and development of phosgene Derivates,including diphenyl ketone,chlorocarbonate,isocya-nate,acyl chloride and carbonates.

本文综述了光气下游精细化学品的开发及生产进展,包括二甲酮类、氯代甲酯类、异氰酸酯类、酰氯类、碳酸酯类化合物。

Dimethyl phenylethyl carbinyl acetate (DPCA ) was synthesized by using a new catalyst. This technology decreases the pollution and can also be used in synthesis of other carbinyl acetates perfume.

用一种新型催化剂合成酸二甲原酯(DPCA),并简化了合成工艺,少了生产过程中产生的三,投入生产已具备了必要条件。这种新型催化剂可用于其它原酯类香料的合成。

This work applied the new type capillary column modified by barium sulfate. It has completed the solubilty of high boiling ester in para-methyl-toluate with the method of chromatography.

研究了硫酸钡微晶改性新型毛细管柱的应用.可用于色谱法测定完全互熔性高沸点酯类在对甲甲酸甲酯中的溶解度.

The result indicates that the main metabolic product of petroleum hydrocarbon degradation is acetic acid and surface active agent of glycolipid composed of fatty acid and rhamnose.

实验表明,微生物降解原油代谢产物主要是酸和以棕榈酸为主的脂肪酸与鼠李糖形成的糖酯类表面活性剂。

Finally, we gained four esterifiable quinolone analogues (compounds 22 to 25) by modifying the structures of compound 3, 14 and 16 on 3 position.

同时利用所合成的化合物3，14，16为模板，对它们的3位羧进行了酯化反应合成了4个喹诺酮酯类化合物：化合物22—25。

At the same time, some other oxycompound groups, such as carbonyl group, aldehyde group and ketone group, appear or increase with temperature rising.

与此同时，醛、酮、酯类羰、芳香酮、醛类羰等类含氧团或者从无到有，或者官能团数量不断增加。

The results showed that the main compound categories of aromatic components were alcohols, esters, terpenes and ketones for all half-highbush blueberry cultivars.

结果表明，半高丛越橘以醇类、酯类、萜类和酮类物质为主。

Atropine is a specific antidote for the cardiovascular collapse that may result from the injudicious administration of a choline ester.

阿托品是治疗由于用胆碱酯类不慎引起的心血管性虚脱的特效解毒剂。

The cold-fust of the plasticzing agent that use it as material is better than the ester of Butanone and Octanol.

以它为原料的增塑剂耐寒性优于丁醇和辛醇的酯类。