查询词典 catalyzed

Synthesis of linoleic acid hydroperoxide with linoleic acid catalyzed by soybean lipoxygenase in aqueous phase was studied.

研究了水相体系中大豆脂肪氧合酶酶促合成亚油酸氢过氧化物的反应，最佳反应条件为底物质量浓度4 11g/L，pH=9，5℃，反应时间120min，亚油酸氢过氧化物产率80%。

PW2 are completely hydrolyzed catalyzed by acid, to have the bond of indicant broken entirely and get the contents of sugar, measured by HPLC. PW2 are mainly made up of D-Glc and D-Gal by 1. 77:1 in molar.

多糖PW2经过完全酸水解后，用高效液相色谱分析结果表明该多糖是由葡萄糖和半乳糖两种单糖组成，摩尔比例为1.77：1。

The results show that coal tar pitch and PMB can be used to synthesize COPNA resin, the reaction mechanism of which is a positive ion-typed condensation polymerization catalyzed by acid. There exist many micro fibers with a uniform distribution in the COPNA resin. The fibers grow with increase of modification time, and then intertwist and amalgamate. Moreover, the COPNA resin possesses good thermo-stability and high coke value.

研究表明煤沥青能与PMB合成COPNA树脂，其反应机理为酸催化下的阳离子型缩聚反应；COPNA树脂的合成中出现很多微纤，随交联聚合程度的加深，微纤相互缠结并融合；COPNA树脂具有很好的耐热性和较高的炭收率。

In the medium of H_2SO_4 and catalyzed by potassium bromide, iodate can oxidize and decolorize methyl orange very well.

基于硫酸介质中，碘酸根在溴化钾的催化作用下对甲基橙有较好的氧化褪色作用。

Then,the oxidation ofβ-ionone catalyzed by CMPS-Co_2 has been performed,andβ-ionone was oxidized to 4-oxo-β-ionone as the main product,and the influence of a series of different conditions for the reaction was also investigated.

首先将催化剂CMPS-Co_2应用于β-紫罗兰酮的催化氧化，主要得到4-氧代-β-紫罗兰酮，并考察了不同反应条件对β-紫罗兰酮选择性氧化的影响。

Based on the catalytic oxidation of isatin with potassium iodate catalyzed by nickel in ammonia me dium, a kinetic spectrophotometric method for determining trace nickel in oil was developed and the kinetic condition was studied.

基于氨性介质中镍催化高碘酸钾氧化靛红褪色反应，建立了测定油品中痕量镍的新方法，探讨了其动力学条件。

Kinetics of isobutylene hydration reaction catalyzed by fine powder of NKC-9 ion exchange resin,and effects of catalyst concentration,temperature,pressure,stirring rate and isobutylene concentration on reaction were studied in a semibatch reactor.

采用半连续反应过程，使用NKC -9离子交换树脂细粉，改变催化剂浓度、反应温度、反应压力、搅拌转速和异丁烯浓度等条件，对异丁烯水合反应动力学进行了实验研究。

Hydroxyl ketene dithioacetals were treated under diversely catalyzed conditions, and a wide range of significant compounds and synthetic precursors thus were obtained.

羟基二硫缩烯酮类化合物可以通过各种不同的反应条件进行多种转化，能够获得许多有意义的化合物和合成潜体。

In the second chapter, the mechanism of the gold-catalyzed cycloisomerization of bromoallenyl ketone was investigated and discussed.

在第二章中，通过理论计算对金催化的溴代连二烯酮环异构化反应的机理进行了研究和讨论。

LeY antigen was catalyzed by FUT4, which is a key enzyme in LeY synthesis.

FUT4催化了LeY的合成的最后一步反应，因此是LeY合成的关键酶。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。