查询词典 catalyzed

The lipase-catalyzed hydrolysis of linseed oil in a solvent-free medium was studied.

研究了无溶剂体系中脂肪酶催化的亚麻油水解反应。

Several kinds of ruthenium-catalyzed organic reactions were reviewed: hydrogenation ,oxidation,isomerization,metathesis.

综述了钌催化剂催化的主要几类有机合成反应，包括氢化、氧化、异构化、复分解。

The possibility of preparation of methylal from methanol and formaldehyde through slurry catalytic distillation catalyzed by acidic cation exchange resin with large size pores is discussed.

研究了以甲醇和甲醛为原料，以大孔径强酸性阳离子交换树脂为催化剂，通过浆料催化精馏工艺制备甲缩醛的可行性。

It was found that moisture in the system of reaction is main reason that lead to deactivation of ionic liquids. The reaction mechanism of transalkylation reaction of methylnaphthalene and 1,2,4,5-tetramethylbenzene catalyzed by chlorine-aluminate ionic liquids has been proposed.

考察了离子液体的循环使用情况，分析确定了离子液体的失活原因，认为反应体系中的微量水使离子液体水解是造成离子液体失活的主要原因。

Mono /di hexyl methylnaphthalene could be obtained from β methylnaphthaleneand n bromohexane proceeding condensation catalyzed by anhydrous aluminium chloride.

裂解柴油、煤焦油洗油中富含甲基萘馏分。目前，我国对这些资源已进行了初步开发和利用，但其广度和深度还远远不够。

The results of the experiments indicate that metol and p-benzenediol can be catalyzed on the SAMs.

测定米吐尔和对苯二酚的常用方法有光度法[1 ] 、铈量法[2 ] 和电化学法[3] 。

The first fact is that climate change is both a natural phenomena and one catalyzed by us.

第一个事实是，气候变化既是一种自然现象和一个催化我们。

A new general kinetic equation was derived in which the effect of the removal of condensation water was taken into account completely, and was applied to the polyesterification kinetic study of AA/HPHP and AA/NPG. It was found that the reaction order of self-catalyzed polyesterification was not constant. For these polyesterifications, the reaction order was 2.5 at a low temperature, while 3.0 at a high temperature.

考虑缩合水的排除对反应体系的影响，用体积浓度单位推导出一个新的聚酯反应总包动力学方程，并应用到AA/HPHP和AA/NPG两个聚酯化反应的动力学研究中，研究发现，自催化聚酯反应的反应级数并不是固定值，对于AA/HPHP和AA/NPG两个聚酯化反应而言，低温时反应级数为2.5，高温时反应级数为3.0。

The direct oxidation of p-cymene in acetic acid by oxygen was catalyzed by cobalt catalyst system.

研究了在以冰醋酸为溶剂，以醋酸钴为催化剂条件下，原料配比、温度、压力等工艺条件对对异丙基甲苯氧化性能的影响。

The first step of the plant pterin branch is catalyzed by GTP cyclohydrolase Ⅰ and the first step in the conversion of chorismate to pABA is mediated in plants by aminodeoxychorismate synthase.

叶酸分子是由喋呤和对氨基苯甲酸从头合成的，二者合成的关键酶腺苷三磷酸环化水解酶和氨基脱氧分支酸合成酶已得到克隆鉴定。

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。