查询词典 hydroxylation

Under these conditions, photodegradation of MO mainly involves three intermedial processes: demethylation, methylation and hydroxylation.

其中，最先发生的是脱甲基化反应，而生成产物最多的是羟基化反应。

Many reactions using TS-1 as the catalyst such as the hydroxylation of phenol and the epoxidation of propylene have been investigated recently.

但是，与钛硅分子筛的美好应用前景相比，其在工业推广中所迈出的步伐却很小。

In the frist part, it was simply summarized that the application of microbial transformation and the two important reactions:side chain cleavage and hydroxylation of steroid respectively.

第一部分，首先对微生物转化技术的应用和两个重要的甾体转化反应-甾体边链降解反应和甾体羟基化反应进行了简要综述。

In this dissertation, we studied the catalysts, reaction conditions and mechanism of one-step hydroxylation of benzene to phenol oxidized by molecular oxygen, which is the cleanest and the most economical process.

所以近年来作为一条比较经济的路线，以苯为原料经过一步氧化，直接羟基化生产苯酚的反应吸引了各国研究者的广泛关注，这也是催化化学中最为艰难、最具有挑战性的研究课题之一。

. Hydroxylated vitamin D-3 is then transported to the kidney, where a second hydroxylation occurs, and 1,252 vitamin D-3 is formed.

羟基维生素D - 3，然后运到肾脏，在第二个羟基发生，1，252的维生素D - 3形成。

The oxides with spinel and peroskite structure are the key active components for phenol hydroxylation, and higher contents of them have the higher reaction activity.

形成的尖晶石或钙钛矿结构为苯酚羟基化反应的活性相，具有良好晶态的复合氧化物催化剂的反应活性较高。

Many reactions using TS-1 as the catalyst, such as the hydroxylation of phenol and the epoxidation of propylene have been investigated recently, which exhibit a vast potential application in industry.

但与钛硅分子筛的美好应用前景相比，其在工业推广中所迈出的步伐却很小。

Degradation of indole by an indole degrading methanogenic consortium enriched from sewage sludge proceeded through a two step hydroxylation pathway yielding oxindole and isatin.

产甲烷条件下从废水污泥中驯化的细菌对吲哚的降解包括两步羰基化反应，生成中间产物氧化吲哚和靛红。

The AM1 method was used for a quantum chemistry study of the phenol hydroxylation reaction mechanism. The possible reaction path of the phenol and oxyhydrogen free radical was optimized, and the structures of stable intermediates in the reaction mechanism were also obtained.

本文还首次采用AM1方法对苯酚羟基化反应机理进行了量子化学研究，将苯酚与氢氧自由基的反应沿可能的反应路径进行几何优化，得到反应历程上相关驻点稳定构型的三维结构。

L-Amino-2-bromo-4-hydroxy- anthraquinone could be obtained by coordinated hydroxylation of l-amino-2- bromo- anthraquinone, boric acid and the initiator potassium iodide or bromide with 97.5%yield and 99% purity.

在用HPLC跟踪溴氨酸的合成过程研究中发现，1-氨基蒽醌-2，4二磺酸在溴化过程中可转化为产物溴氨酸。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。