羟基

在本课题的研究中，通过硅烷偶联剂与硅溶胶颗粒表面硅羟基缩合的方法，制备了改性的纳米SiO2。

Modified SiO2 nanoparticles were synthesized by condensation of OH group of silica and the coupling agent .

适宜条件为：氯化苄对竹粉羟基的摩尔比3，反应温度80℃，时间2h。原本球磨竹粉在苄基化改性后结晶结构发生了破坏。

The optimal conditions were found to be the molar ratio of benzyl chloride to OH group in bamboo 3 , reaction temperature 80 ℃, and reaction time 2 h. It was found that the crystalline structure of the native ball-milled bamboo was damaged after benzylation modification .

被ScienceDirect数据库描述为“化学清洗剂”的羟基自由基是大气中发现的重要化合物，可以和其他有机分子发生反应。

Hydroxyl radicals , described as a " chemical scavenger12 " by Science Direct , are important chemical compounds found in the atmosphere due to the reactive nature with other organic molecules13 .

研究人员先前了解到，闪电可以有助于清洁大气，但是没有证据表明闪电可以产生羟基自由基这样的化合物。

Researchers previously understood that lightning could help to clean the atmosphere , but there was no evidence that it could generate compounds like these radicals .

Hβ沸石修饰的复合氧化物对苯酚羟基化反应的催化作用

The catalysis of composite oxides modified by H β zeolite on phenol hydroxylation

NMR确定手性α-羟基酮的绝对构型

Determination of Absolute Configuration of α - Hydroxy Ketones Using NMR

层状双羟基氢氧化物的结构表征及对PVC的热稳定作用

Structural characterization of layered double hydroxide and its effect on thermal stabilization of PVC

催化H2O2氧化2,3,4,9-四氢-9-羟基-1,10-蒽醌荧光猝灭法测定痕量砷

Determination of Trace Arsenic by Fluorescence Quenching Method Based on Catalysis of Hydrogen Peroxide Oxidizing 2,3,4,9-tetrahydro-9-hydroxy-1,10-anthraquinone

探讨了界面微结构对复合材料界面性能的影响。针对CF/聚酰亚胺（PI）复合材料的界面自组装进行了初步探索，选用羟基化表面/有机硅烷衍生物的自组装体系。

The effect of self-assembly films on the interfacial properties of epoxy composites was discussed .

纳米TiO2光诱导产生羟基自由基的ESR研究

ESR Study on the Photoinduced Production of Hydroxyl Radicals by Nano-TiO_2

对羟基苯甲酸对HDPE结晶行为及力学性能的影响

Effect of p-Hydroxybenzoic Acid on Crystallization Behavior and Mechanical Properties of HDPE

进一步阐明，酪氨酸光电离的pH效应源于其酚羟基的电离。

Furthermore , the pH effect of photoionization of tyrosine resulting from deprotonation of phenolic hydroxyl group in alkaline solution was demonstrated .

它们的C环3位上的羟基或糖苷与清除OH的能力也有相关性；

The hydroxyl group or glucoside on 3 position of ring C of the above mentioned 6 flavonoids was also related to the OH-scavenging ability .

NF脂肪族系高效减水剂系是以丙酮、甲醛为主要原料，辅以适量磺化剂、引发剂，在一定反应条件下合成的新型高性能减水剂，是一种羟基磺酸盐高缩合物。

NF acyclic superplasticizer has been made mainly of acetone and formaldehyde under certain reaction conditions .

5-氯，N-（2-羟基乙基）水杨醛亚胺Schiff碱的合成与表征

Synthesis and characterization of 5 chloro imino 2 hydroxyethyl salicylaldehyde Schiff base

溴甲酚绿测定Fenton产生的羟基自由基

Detection of Hydroxyl Radical in Fenton Reaction by Bromocresol Green Oxidative Assay

高Cu含量MCM-41在苯直接羟基化反应中的催化性能

Catalytic Performance of Cu-MCM-41 with High Copper Content for the Direct Hydroxylation of Benzene to Phenol

通过Boltzmann拟合方程定量计算Al（Ⅲ）盐强制水解聚合溶液中的羟基多核铝型体

Quantitative calculation of hydroxyl polynuclear aluminum species in forced hydrolyzing ( Al (ⅲ)) salt solution by boltzmann fit equation

重点考察了还原反应中溶剂种类、还原温度对反应的影响以及N羟基N2甲苯氨基甲酸甲酯的纯化方法。

This paper also investigated the effects of different solvents and temperatures on the reducing reaction and purification of methyl N-hydroxyl-N-2-methylphenylcarbamate .

N，N′-双[3-（3′，5′-二叔丁基-4′-羟基苯基）丙酰]己二胺的合成新工艺

New Synthetic Process of N , N ′ - Bis [ 3 - ( 3 ′, 5 ′ - di-tert-butyl-4 ′ - hydroxyphenyl ) propionyl ] Hexane Diamine

硅氢加成型室温固化硅橡胶胶粘剂的研究聚二甲基硅氧烷结构的~1HNMR研究和硅氢、硅羟基含量的测定

Study of structure of polydimethylsiloxanes and determination of hydrogen and hydroxyl bonded to silicone by Fourier transform ~ 1h NMR

双共振~1HNMR方法测定聚硅氧烷中羟基、乙氧基和乙烯基的含量

Determination of hydroxyl , ethoxyl and vinyl content of poly ( dimethyl siloxanes ) by double irradiation ~ 1h NMR

用Heck反应合成1-羟基-4-（3-吡啶基）丁-2-酮

Synthesis of 1-Hydroxy-4 - ( 3-pyridyl ) butan-2-one Using Heck Reaction

结肠癌羟基喜树碱耐药细胞SW1116/HCPT酵母双杂交cDNA文库的构建和鉴定

Construction and characterization of yeast two-hybrid cDNA library of hydroxycamptothecin-resistant human colon cancer cell line SW1116 / HCPT in yeast cells

IR和XPS表明水热处理后溶胶表面吸附水增加而表面羟基减少。

The results from IR and XPS indicated that hydrothermal treatment could increase the absorbed water but reduce surface hydroxyl groups .

1,25-二羟基维生素D3抑制K562细胞增殖及其机制

Effects of 1 α, 25-Dihydroxyvitamin D_3 on the proliferation and apoptosis of K562 leukemia cells and its mechanism

以溴化乙锭（EB）为荧光探针，研究了7-羟基黄酮及磷酰化7-羟基黄酮与DNA的弱相互作用。

The non-covalent interaction of 7-hydroxy flavone and its phosphate with DNA was studied using ethidium bromide ( EB ) as a probe .

高等植物中光周期对GA生物合成的调节主要是在20氧化和/或3β羟基化步骤。

GA 20 _oxidation and / or 3 β _hydroxylation are the main steps controled by photoperiod in GA biosynthesis in higher plants .

扩大经典式显示，C9结构单元中酚羟基和醇羟基的个数在活化后都有所增加，羰基和羧基数都不同程度地减少了。

Expanded empirical formulas suggest that , in structure unit of C9 , the numbers of phenol and aliphatic hydroxyl both have increased , while the carboxyl and carbonyl have decreased after hydrogenation .

4－羟基－2，5－二甲基－3（2H）呋喃酮的合成

The Synthesis Of 4-Hydroxy - 2 , 5-dimethyl - 3 - ( 2H ) - furanone