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- The content of moisture, ash, total humic acid and free humic acid of brown coal were analyzed, and the data of total acidic group, carboxy and phenolic hydroxyl group were given. 给出了各种原料煤腐植酸中总酸性基、羧基、酚羟基的分析数据。
- The phenol hydroxyl group was considered to playa key role in increasing the differenc of interaction between the two isomers and the chiral stationary phase. 拆分过程为焓驱动,酚羟基对提高二异构体与手性固定相之间的作用差异起关键作用。
- The capacities of equilibrium adsorption of AM-1for all four phenolic compounds increased around 20% over that of Amberlite XAD-4, which may be contributed to phenol hydroxyl group on the surface and the unusual pore distribution. 酚类化合物在AM-1上的吸附容量比在Amberlite XAD-4上的吸附容量增加20%25以上,这主要得益于AM-1表面的酚羟基及树脂的微孔结构。
- 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。
- Then according to whether the structure of acidic groups (mainly phenolic hydroxyl group), divided into phenolic and non-phenolic. 再根据结构中是否有酸性基团(主要指酚羟基),分为酚性和非酚性。
- polyetherimide containing phenolic hydroxyl groups 含酚羟基的聚醚酰亚胺树脂
- Theoretical study on the effect of different substituted radicles on antioxidant activity of phenolic hydroxyl group 不同取代基对酚羟基抗氧化活性影响的计算研究
- STUDY ON THE ADSORPTION AND DE-SORPTION OF PHENOL USING HYPERCROSSLINKED POLYMERIC ADSORBENT MODIFIED BY PHENOLIC HYDROXYL GROUP 酚羟基修饰的超高交联聚苯乙烯树脂对苯酚吸附及脱附性能的研究
- Study on the Protective Effect of Phenolic Hydroxyl Group from Scutellaria Baicalensis Georgi on Radiation Injury of Salivary Gland 黄芩中酚性苷类对腮腺放射损伤的防护作用的研究
- CHELATE REACTION BETWEEN BORATE IONS AND PHENOL HYDROXYL GROUP, ORTHO-POSITION HYDROXYMETHYL GROUP OF PHENOL-FORMALDEHYDE RESOL RESIN 硼酸根与甲阶酚醛树脂中酚羟基和邻位羟甲基的螯合反应
- phenolic hydroxyl group 羟基石炭酸
- Having only one hydroxyl group to react with acids. 一元酸的只有一个可与酸发生反应的氢原子团的。
- Determination of the Content of Phenolic Hydroxyl Groups in Lignin and Pulp with FC-Method FC法测定木素和纸浆中的酚羟基
- Phenol: Any of a class of organic compounds with a hydroxyl group (-OH; see functional group) attached to a carbon atom in a ring of an aromatic compound. 酚: 以羟基(-OH;参阅functional group)与芳香族化合物环上的碳原子相连为特征的一类有机化合物。
- Rare earth ions capped phenolic hydroxyl, the heat-resistance was improved by reducing the effect of phenolic hydroxyl on the ortho-submethyle. 结果表明,稀土离子将酚羟基封锁,减少了酚羟基对其邻位上亚甲基的影响,提高了树脂的耐热性;
- But urushiol has a poor resistance to alkali because phenol hydroxyl of urushiol shows weak acidity. 但是,由于漆酚的酚羟基显弱酸性,使得漆酚耐碱性较差;
- Any of various alcohols containing two hydroxyl groups. 双羟基醇含有两个羟基团的醇
- A biologically important organic phenol, having two hydroxyl groups attached to the benzene ring. 苯磷二酚生物学上一种重要的有机酚,苯环上有两个羟基群
- A biologically important organic phenol,having two hydroxyl groups attached to the benzene ring. 苯磷二酚生物学上一种重要的有机酚,苯环上有两个羟基群。
- An organic compound in which the hydrogen of the hydroxyl group of methyl alcohol is replaced by a metal. 甲基化产物一种有机合成物,是甲醇的羟基中的氢被一种金属取代