The theory of complex chemistry and construction chemistry was used to explain the mechanism of action between naphthalene hydroxyl oximino acid and wolframite.
本文应用结构化学和络合物化学理论对萘羟肟酸与黑钨矿的作用机理进行了研究。
The effects of Tg, molecular weight, hydroxyl number, various hydroxyl monomers, acid number of acrylic dispersion on properties of films were studied systematically.
系统研究了丙烯酸树脂分散体的玻璃化温度、分子量、羟基单体种类、羟值、酸值对涂膜性能的影响。
Acid value and hydroxyl value are two pieces of characteristic value of the purpose products and the experiment adopts the titrimetric law of acid and alkali to confirm them.
酸值和羟值是目的产品的两个特征值，实验采用酸碱滴定法来确定两个特值。
The changes of molecular weight, life under heat, acid value, hydroxyl value and chlorine content of lac resin during bleaching and de-chlorinating processes have been studied.
本文研究了紫胶树脂在漂白和脱氯过程中分子量、热寿命、酸价、碘价、羟基值和氯含量的变化情况。
Objective: To observe the influence of 23- hydroxyl betulinic acid(23-HBA) on the proliferative, migratory ability and morphological change of blood vessel endothelial cell line ECV-304.
目的：探讨23-羟基白桦酸（23-HBA）对血管内皮细胞（ECV-304）形态变化，增殖和迁移的影响。
The oxygen atoms that coordinated with yttrium were offered by both carboxyl and hydroxyl groups of deoxycholic acid.
脱氧胆酸中羧基氧原子、羟基氧原子均与钇发生配位作用。
There could be a coordination bond between the silver atom and the hydroxyl group of tannic acid, which stabilize the Ag nanoparticles in the spatial reticulate structure of tannic acid.
纳米银颗粒与羟基发生电荷吸附作用，固定在鞣酸的空间网状结构中，稳定存在。
The synthetic process of a prepolymer based on benzoic acid modified hydroxyl alkyd resin and toluene diisocyanate (TDI) prepolymer and the coatings made from this prepolymer has been described.
介绍了用苯甲酸改性的含羟基醇酸树脂和甲苯二异氰酸酯（TDI）预聚物的合成工艺，以及由二者制成醇酸型聚氨酯涂料的方法；
The condensation reaction takes place between the two hydroxyl of phthalic acid, and the phthalic acid be converted into phthalic anhydride finally.
邻苯二甲酸的两个羧基上的羟基会发生缩水反应，最终生成邻苯二甲酸酐。
The hydroxyl amino acid has been replaced, the resulting compounds can also be regarded as ammonia hydrogen has been replaced by acyl derivatives.
羧酸中的羟基被氨基取代后，生成的化合物，也可看作是氨的氢被酰基取代的衍生物。
The thermodynamic parameters of carboxylic group and titrable phenolic hydroxyl group of humic acid are similar to that of simple hydroxy-benzoic acid.
腐植酸的羧基和可滴定的酚羟基在热力学性质上同简单的羟基苯羧酸相似。
Methods: Amide and mix-type bonds compounds were synthesized by conjugated the amino groups and acid groups with hydroxyl or acid links.
方法：四种药物通过酯化、酰胺反应由不同的连接子合成酰胺类和混合键类互联体前药。
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.
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。
It was found that the two hydroxyl groups on C9,10 of aleuritic acid were in cross position. The molecular structure of shellolic acid was confirmed by modern spectrometry.
发现国产紫胶中，紫胶桐酸C_（9、10）上的二个羟基处于交叉位，用现代光谱学手段证实了前人用化学方法推测的壳脑酸分子结构。
Starting from natural amino acid, diphenol having a phenolic hydroxyl group was synthesized. Using the diphenole as comonomer, a biodegradable epoxy resin in which contain amide group.
用天然氨基酸为起始材料，合成了一种具有双酚羟基官能团的环肽，并以此环肽为联酚合成了主链包含酰胺键的可生物降解环氧树脂。
The inverse isomer of (E) - 10- hydroxyl -2- decylenic acid is a major component part of fatty acid in bee royal jelly and an effective composition used as judging quality of bee royal jelly as well.
羟基-2-癸烯酸的反式异构体被认为是蜂王浆中脂肪酸的重要组分，也是衡量蜂王浆质量的有效成份。
The FTIR spectrum indicated that hydrogen bonds were formed between the carbonyl group in tartaric acid and the hydroxyl group in inner surface of kaolinite.
红外光谱表明：酒石酸分子的羰基与高岭石的内表面羟基形成了氢键，而羟基与高岭石的硅氧面的氧形成了氢键。
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.
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。
Hydroxyl acrylic acid resin (HAR) with high solid and low viscosity was polymerized from an appropriate acrylic acid monomer in solution.
采用溶液聚合法合成了高固体分低粘度的羟基丙烯酸树脂(HAR)，详细讨论了引发剂、链转移剂、反应温度、溶剂等对HAR粘度的影响。
The FTIR result verified that the hydroxyl groups on the surface of the resulting nano-SiO2 form hydrogen bondings with adipic acid generated by hydrolysis of dimethyl adipate during reaction.
红外光谱表明二氧化硅表面硅羟基与己二酸二甲酯酯化产物己二酸的羧基形成氢键。
METHOD: It was synthesized from methyl 5-chloro-2-hydroxyl benzoic acid via nine-step reaction with nitration, reduction, etc.
方法：以5 氯2 羟基苯甲酸甲酯为原料，经硝化、还原等九步反应合成。
METHOD: It was synthesized from methyl 5-chloro-2-hydroxyl benzoic acid via nine-step reaction with nitration, reduction, etc.
方法：以5 氯2 羟基苯甲酸甲酯为原料，经硝化、还原等九步反应合成。
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