评述了苯直接羟基化制苯酚的研究现状及近期进展。
The research development in the direct hydroxylation of benzene to phenol has been reviewed.
现有微生物羟基化烟酸采用的是静息细胞转化工艺。
The current technology for microbial hydroxylation of nicotinic acid is a procedure of resting cells transformation.
目的筛选对莪术二酮具有羟基化修饰作用的菌株。
Objective To screen the microorganism with the ability to hydroxylate curdione.
对近年来苯酚双氧水羟基化反应的催化剂进行了综述。
Recent developments of catalysts for hydroxylation of phenol with hydrogen peroxide were reviewed.
铁酸镁在2,3,6 -三甲基苯酚羟基化反应中的催化性能。
Catalytic Performance of Magnesium Ferrite for Hydroxylation of 2, 3, 6-trimethylphenol.
其中对叔丁基苯酚羟基化法是绿色化学工艺，是今后研究的重点。
At the same time green chemistry technique of the hydroxylation of 4-tert-butyl-pyrocatechol is the research focus in future.
采用均匀设计试验方法，对TS-1催化的苯酚羟基化反应条件进行了优化。
The process conditions for hydroxylation of phenol using TS - 1 zeolite as catalyst were optimized by the way of uniform design software.
本文主要介绍了磷脂的化学改性方法，例如：羟基化、氢化、酶水解、酰化等。
The methods of the modification of phospholipids were summarized, such as hydroxylation, hydrogenation, hydrolyzation, acetylation, and so on.
基于2,2-联吡啶芳环羟基化法，采用荧光光谱研究了胆红素与铜离子相互作用。
The interaction between bilirubin and copper ions was studied by fluorescence method using 2, 2 '-bipyridyl as a hydroxyl radical trapper through the hydroxylation of the aromatic compound.
本文利用浸渍法制备了一系列不同载体的镍基催化剂，并将其用于苯的羟基化反应。
A series of Ni-based catalysts with different supports were prepared by impregnation method and tested in the hydroxylation of benzene to phenol.
这种被称为再羟基化年代测定法的技术，最近才由曼彻斯特大学和爱丁堡大学的研究员开发出来。
Called rehydroxylation dating, the technique was recently developed by researchers at the University of Manchester and the University of Edinburgh.
羟基化酶是其催化活性中心，它的催化机理的研究主要包括烷烃的活化和分子氧的活化这两个方面。
MMOH is the active site of MMO, its catalysis reaction mechanism mainly includes the activation of alkyl and oxygen molecule.
结合物性表征研究了水热合成条件对合成的TS - 1分子筛苯酚羟基化反应活性及选择性的影响。
The effects of reaction conditions in the hydrothermal process on the catalytic activity and selectivity of TS-1 were investigated.
着重介绍用过氧化氢和过氧化羧酸作羟基化剂，使苯酚羟基化生成邻苯二酚和对苯二酚的研究开发进展。
Research and development for fhe production of pyrocatechol and hydroquinone by reaction of phenol with hydrogen peroxide and percarboxylic acid as hydroxylating reagent are introduced.
较低的溶液浓度和适宜的反应时间有利于MPS分子在羟基化表面形成排列规则、结合紧密的自组装膜层。
With both low MPS concentration and suitable immersion time, a well-ordered and closely self-assembled MPS layers could be prepared on the hydroxylated surface.
NADSYN1 CYP2R1和GC基因缺陷分别导致胆固醇合成、羟基化和维生素D运输方面的问题。
The genes in question (DHCR7/NADSYN1, CYP2R1 and GC) were involved in cholesterol synthesis, hydroxylation and vitamin D transport, respectively.
在苯酚羟基化反应中，铁改性的HMS催化剂表现出良好的催化性能，反应中苯酚的转化率为46.9 %。
Meanwhile, the outstanding catalytic performance of iron-modified HMS and the 46.9% conversion rate of phenol have been shown in the reaction of phenol hydroxylation.
通过对此过程的不同方法进行了对比，提出一条以环硫酸酯为N-羟基化试剂，并以塞克硝唑为例进行了合成。
By comparison of different approaches, a synthesis route was given, in which cyclic sulfate was used as N hydroxylalkylation reagent.
介绍了一种利用阳离子化改性多羟基化合物进行堵水调剖的方法，具有一定的选择性，在油田应用取得了良好效果。
A modified cationic polyhydroxy compound gelling fluid as water shutoff is developed. This type of gel has better selectivity. Its field tests are described and the results are satisfactory.
结论：DZ选择性地抑制了AP在人体肝脏中的4羟基化代谢途径，提示DZ是一作用较强的、选择性的肝药酶抑制剂。
CONCLUSION:DZ inhibited the 4 hydroxytative metabolic pathway of AP, suggesting DZ may be a potent and selective microsomal enzyme inhibitor.
甲烷单加氧酶是一个三组分复合酶体系，三组分分别是羟基化酶（MMOH）、调节蛋白B（MMOB）和还原酶（MMOR）。
The constitutes and functions of these two forms are presented in this paper. MMO is a sort of three-enzyme complex system including MMOH, MMOB and MMOR.
测定了降解途径中相关酶的活性，表明对氯苯胺经过苯胺双加氧酶初始氧化和羟基化后，芳环的裂解是由邻苯二酚2 ，3双加氧酶催化。
Enzymatic analysis show that initial reactions ofp-chloroaniline degradation by Diaphorobacter sp. PCA039 are catalyzed by aniline dioxygenase and chlorocatechol 2,3-dioxygenase.
结果从数十株丝状真菌筛选得到黑曲霉AS 3.739对莪术二酮具有羟基化修饰作用，并分离、纯化和鉴定了2种主要产物1 、2 。
Results Curdione was hydroxylated by Aspergillus niger AS 3.739 which was screened from dozens of fungi, and the two major products 1 and 2 were separated and identified.
普通水稻品种具有对苯达松抗性是由于苯达松在普通水稻品种细胞中被羟基化，并最终被代谢为对植物无毒性的6 OH 葡萄糖苷苯达松和8 OH 葡萄糖苷苯达松。
In normal rice plants, bentazon resistance is due to bentazon hydroxylation in the plant cells, followed by metabolism to nonphytotoxic glucose conjugates of 6-OH-bentazon and 8-OH-bentazon.
本发明与端双羟基官能化遥爪聚合物的制备方法有关。
This invention relates to a method for preparing dihydroxyl-terminated telechelic polymer.
目的研究仿生矿化的聚乳酸-羟基乙酸共聚物(PLGA)作为骨组织工程支架材料的可行性。
Objective To investigate the feasibility of using biomimetic mineralized PLGA as scaffold material in bone tissue engineering.
本文介绍了端羟基超支化聚合物的研究进展，合成方法及在各个领域的应用，并展望了其在皮革工业中的应用前景。
The researching progress, synthesis and applications of hyperbranched polymer with terminal hydroxyl are introduced, and the application foreground of leather industry is forecasted.
釉料在烧制过程中明显地经历了脱水、脱羟基、玻璃化和再结晶过程。
It is clear that during the firing process, the glaze undergoes dehydration, dehydroxylation, vitrification and recrystallization.
提高光致变色染料的稳定性、制备溶胶-凝胶光纤及降低杂化材料羟基含量是目前的研究重点。
On the present, the main studies focus on the stability improvement of photochromic dyes, preparation of sol-gel optical fibre and decrease of hydroxyl group content.
提高光致变色染料的稳定性、制备溶胶-凝胶光纤及降低杂化材料羟基含量是目前的研究重点。
On the present, the main studies focus on the stability improvement of photochromic dyes, preparation of sol-gel optical fibre and decrease of hydroxyl group content.
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