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hydroxyl

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hydroxyl

英音:/haɪ'drɒksaɪl/美音:/haɪ'drɑksɪl/ 全球发音: 生词本: 添加笔记:
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n. 基,氢氧基
hydroxyl group
hydroxyl value 值;基值;
phenolic hydroxyl 酚式

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

类物质是由甘油二和糖结化的基形成的。

The hydroxyl value analysis of acrylate-styrene copolymcr solution by usillg acetylchloride as an acetylating agent is discussed.

体系所含双氧水浓度的测定,乙酰氯法测量了双氧水的丙烯酸-苯乙烯聚物溶液体系的聚物的值。

METHODS The hydroxyl groups of magnolol were protected using ketol reaction and the products were purified by recrystallization from hexane.

方法将厚朴酚两基用缩酮保护,再用正己烷重结晶分离纯化。

In this paper, synthesis of salidroside was reported starting from 4 hydroxyl phenylacetic acid through benzylation, esterification, reduction and glycosidation.

报道了苯乙酸为原料,经过苄基化、化、还原、甙化等步骤成红景天甙的一种方法.

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,测定含环氧基聚值。

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化物的丙交/醇铁聚体系中,基化物作为引发剂参与了丙交的开环聚

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.

甲基丙烯酰氯、甲基丙烯酸酐和甲基丙烯酸作酰化剂,研究了胆酸甲分子中基的反应活性。

Nuclear magnetic resonance techniques are used to determine the national aleutric acid preferential conformation. The results show that the dithionic hydroxyl radicals are in reciprocal cross bearing.

采用核磁振谱法测定了国产紫胶桐酸的优势构象,结果表明,其分子中连二基处于反交叉位。

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 .

橙酮类化物分子面性较强,为较大的轭体系,取代的接入,橙酮类化面性影响不大。

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clappet, clapping, claps, clap-stick, clapt, Clapton, claptrap, claque, claqueur, Clara,

相似单词


hydroxyimino, hydroxying, hydroxyiodide, hydroxyisobutyrate, hydroxyketone, hydroxyl, hydroxyl group, hydroxyl ion, hydroxylable, hydroxylamine,
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