任何含有除自身的羟基外其他羟基的酸。
Any acid that has hydroxyl groups in addition to the hydroxyl group in the acid itself.
所述工作流体包含纯水和含有羟基的有机化合物。
The working fluid includes pure water and an organic compound bearing a hydroxyl group.
添加有配位倾向的含羟基的化合物会加快破胶过程。
Addition of the compounds with hydroxyl groups and a tendency of coordination will accelerate the degradation.
目的改进雌激素类化合物3位酚羟基的甲醚化工艺。
OBJECTIVE To improve the preparation of estrogen 3-methyl ether.
本发明涉及一种含羟基的五元共聚氟树脂及其合成方法。
The invention relates to a quinary polymerization fluororesin containing hydroxy and a synthesis method of the quinary polymerization fluororesin.
PEG的加入有助于提高发光强度，是因为降低了羟基的荧光淬灭。
The luminescent strength is improved owing to decrease the fluorescence quenching of hydroxyl group when PEG is incorporated.
本文合成了侧链上带有酰胺基、羧基、酯基和羟基的水溶性聚丙烯酸树脂。
A water soluble acrylic coatings with amide, carboxyl, ester and hydroxyl group on side-chain have been synthesized.
介绍了近年来金刚石包裹体中流体研究结果，特别是分子氢和羟基的发现。
Recent studies of fluids in the diamonds, particularly the discovery of molecular hydrogen and hydroxy are presented in the paper.
本文在前人工作的基础之上对甲醛和羟基的反应机理做了进一步的理论研究。
We consider all the possible reaction channels in the reaction of HCHO with OH for the first time.
在升温过程中，得到了原矿主要矿物中自由水、结晶水和羟基的脱除温度区间。
The dehydration of laterite could be divided into steps of removing free water, crystal water and hydroxyl group at different temperature.
碳水化合物碳水化合物通常的定义是多羟基的醛和酮或者水解产生多羟基的醛和酮的物质。
Carbohydrates carbohydrates are usually defined as polyhydroxy aldehydes and ketones or substances that hydrolyze to yield polyhydroxy aldehydes and ketones.
该丙烯酸聚氨酯涂料系由含羟基的丙烯酸树脂和非泛黄型异氰酸酯组成的反应性涂料。
A reactive acrylic polyurethane coating based on hydroxyl-containing acrylic resin and non-yellowing isocyanate has been reported.
阴离子捕收剂MG - 2是以某脂肪酸为原料合成的一种带过氧羟基的新型捕收剂。
Modified anionic collector MG-2 is a new peroxide hydroxyl collector which is synthesized with fatty acids as raw material.
这分别是由于亲水硅胶表面羟基的苯基化作用以及苯基化硅胶的有机化层的破坏所致。
This is due to the phenylation of surface hydroxyl groups of hydrophilic Silica gel and the destruction of organized layers of phenylated Silica gel respectively.
最后，当然，利息的主要反应是异氰酸酯基和羟基的聚酯或聚醚组反应形成聚氨酯组。
Lastly, of course, the main reaction of interest is the formation of urethane groups by reaction of isocyanate groups and hydroxy - groups of the polyester or polyether.
设计合成了含有活性基-羧基、氨基、羟基的尼罗红和尼罗兰衍生物，用来标记生物分子。
Nile red and Nile blue derivatives with carboxyl or amino or hydroxyl group were synthesized, which were used to tag biological molecules.
同时，还发现用钯修饰氧化锌不仅可以调节其能带结构，而且还影响了氧化锌上表面羟基的含量。
It is found that the modification of palladium not only modulates the electronic structure of ZnO but also affects the amount of surface hydroxyl.
本发明公开一种抗皮肤老化化妆品，是在化妆品主料中添加有含羟基的三 萜类皂苷或其衍生物。
The present invention discloses one kind of cosmetics resisting skin ageing, and into the main material of cosmetics, triterpene glycoside containing hydroxyl group or its derivative is added.
在蓖麻油的主要成分脂肪酸中，除含有一个烯键外，羟基的存在使该植物油具育许多独特的性质。
Tha presence of a hydroxyl group, in addition to an olefinic linkage, in the predominating fatty acid of castor oil, gives this vegetable oll many unique and interesting properties.
由于环糊精外部多羟基的亲水性，使形成的包合物具有良好的可润湿性，从而达到对难溶性药物的增溶效果。
For the exterior hydrophilic surface of CDs, inclusion complexes can have a good wettability, which will improve the water solubility of the poorly soluble drugs.
迷迭香酸是一种含多酚羟基的酸，广泛存在于多种植物中，具有抗菌、抗病毒、抗氧化、抗炎等多种药理作用。
Rosmarinic acid with several phenolic hydroxyl groups exists widely in many plants, which has various pharmacological actions on anti-inflammatory, anti-biotic, anti-virus, and anti-oxidation.
用1%的氢氧化钠水溶液处理带有芳酰氧基的1,3 -丙二酮衍生物可以直接得到A环带有羟基的黄酮化合物。
Treatment of 1, 3-diketones containing benzoyloxy group in 1% aqueous sodium hydroxide can afford directly the corresponding ring-A hydroxylated flavone.
异氟酸酯、多元醇、硅烷等原材料的选择以及异氰酸酯基与羟基的配比是影响S PU密封胶性能的主要因素。
The selection of raw materials such as iso- cyanate, polyol and silicone etc, and the ratio of isocyanate and hydroxy are the main factors affecting the properties of SPU sealant.
通过比较木素磺酸盐和模型物接枝前后酚羟基的含量和碱性硝基苯氧化产物得率的变化，对接枝反应位置进行了研究。
The graft site was studied by comparing the phenolic contents, yields of alkaline nitrobenzene oxidation products of lignosulfonates, model compounds and their copolymers.
研究表明氧化处理后活性炭的比表面积和孔容虽有减小，但炭表面的含氧官能团数量大幅增加，其中羟基的增幅最明显。
The results showed that after modification, the specific area and pore volume of ACs decreased while the content of oxygen functional groups, especially which of hydroxyl, increased obviously.
以含1 ~4个羟基的有机醇、环氧氯丙烷和有机胺为原料，在催化剂作用下聚合成有机胺改性聚醚(KL - 1)污水处理剂。
The amine-modified polyether KL-1 sewage disposal agent was prepared with organic alcohol containing 1 ~ 4 hydroxy, epoxy chloropropane, organic amine as raw materials by catalyst.
综述了在甾体化合物11 -位引入羟基的各种化学合成方法，主要包括酮基还原法、上脱卤素法、硼烷双氧水法、过氧化-还原法等。
Introduction of 11-hydroxy group into steroids by chemical methods, such as keto-reduction, halogenation-dehalogenation, borane-hydrogen peroxide and peroxidation-reduction are reviewed.
制备了用对硝基苯甲酰氯处理的间氯甲酚或3-羟基-4-氯苯酚，并转化为取代的对硝基苯甲酮。
M-chlorocresol or 3-hydroxy-4-chlorophenol on treatment with p-nitrobenzoyl chloride was prepared and conyerted into substituted p-nitrobezyl ketone.
制备了用对硝基苯甲酰氯处理的间氯甲酚或3-羟基-4-氯苯酚，并转化为取代的对硝基苯甲酮。
M-chlorocresol or 3-hydroxy-4-chlorophenol on treatment with p-nitrobenzoyl chloride was prepared and conyerted into substituted p-nitrobezyl ketone.
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