您要查找的是不是：
- A JLU-3sample exhibits very low catalytic activity in phenol hydroxylation, with the conversion of 1.0%. 差热热重结果说明JLU-3具有很好的热稳定性，800度仍未塌陷。
- 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;
- The synthetic methods of pyrocatechol were introduced.The main production method at present is phenol hydroxyl hydrogen peroxide method, and some advice was put forward. 介绍了邻苯二酚的合成方法,目前其主要的生产方法为苯酚过氧化氢羟基化法,并提出了一些发展建议。
- 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。
- Formation of phenolic tar during separation of products from diphenols synthesis by phenol hydroxylation was studied. 对苯酚羟基化合成苯二酚产物分离过程酚焦油的形成原因进行了研究。
- Phenol hydroxylation v/a catalysis 苯酚催化羟化
- Phenol hydroxylation via catalysis; 苯酚催化羟化;
- 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。
- 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；
- 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。
- Separation and analyzing of tar in phenol hydroxylation 苯酚羟化反应中焦油的分离与分析
- Keywords Phenol hydroxylation;Reaction mechanism;Quinone; 苯酚羟化;反应机理;苯醌;
- Keywords hydrogen peroxide;phenol hydroxylation;catalysts; 双氧水;苯酚羟基化;催化剂;
- 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。
- EH lignin had aliphatic and phenolic hydroxyl functionalities which provided very good bonding sites towards isocyanate.EH lignin could applied to modify polyurethane. 酶解木质素的分子中含有丰富的苯环、酚羟基和醚键等官能团,具有较高的反应活性,能直接用于聚氨酯的改性。
- Keywords Mixed oxide;Phenol hydroxylation;Hydrogen peroxide;Phenol; 复合氧化物;苯酚羟化;过氧化氢;苯酚;
- Keywords As-Mo-V heteropoly salt;Phenol hydroxylation;Hydroquinone; 杂多酸盐;苯酚羟基化;对苯二酚;
- Keywords: Phenol hydroxylation, Reaction mechanism, Quinone, 关键词:苯酚羟化;反应机理;苯醌
- 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。
- Synthesis of Cu-HMS and its catalytic properties for phenol hydroxylation Cu-HMS的合成和催化苯酚羟基化反应研究
