英语释义

1. a conversion of a usually unsaturated compound into an epoxide

片语

catalyzing epoxidation催化环氧化

Shi epoxidationThe Shi epoxidation is a chemical reaction described as an asymmetric epoxidation of olefins with oxone (potassium peroxymonosulfate) and a fructose-derived catalyst (1). It is notable as not requiring metal catalyst

epoxidation modification环氧化改性

epoxidation reaction[有化]

epoxidation method环氧化法

ethylene epoxidation乙烯氧化

alkene epoxidation烯烃环氧化

epoxidation reactor氧化反应器

epoxidation procedure环氧化工艺

英汉例句

• combination of steady state optimization with dynamic state optimization was presented to optimize ethylene epoxidation reactor.

  提出了乙烯氧化反应器定态和动态优化相结合的优化策略。

• the development and application of the asymmetric epoxidation of olefins catalyzed by chiral ketones derived from fructose were reviewed with 34 references.

  综述了果糖衍生的手性酮催化烯烃不对称环氧化反应的发展及应用。参考文献34篇。

• the use of performic acid, an affordable and easily prepared reagent, in epoxidation led to quantitatively the target epoxide.

  在环氧化反应中，利用价廉、易制备的过氧甲酸以几乎定量的收率得到了环氧化合物。

• the solvent effect of 1-butylene epoxidation was investigated over titanium silicate ts-1 using hydrogen peroxide as oxidant.

  研究了用双氧水为氧化剂，钛硅分子筛ts-1催化1-丁烯环氧化反应的溶剂效应。

• two different integrated processes of the epoxidation of allyl chloride and production of hydrogen peroxide by anthraquinone route were investigated.

  对两种不同的氯丙烯环氧化与蒽醌法生产过氧化氢过程的集成方法进行了研究。

• the results of experiments indicate that only epoxidation can improve the oxidative stability of rapeseed oil to an applicable level.

  环氧化反应可以大幅度提高菜籽油的氧化稳定性，达到了预期的指标。

• the quantum calculations and the results of the epoxidation of the derivatives supported this mechanism.

  量子化学计算及其衍生物的环氧化结果支持这一结论。

• ether of microcrystalline cellulose-based picric acid(mcc-pa) was prepared from microcrystalline cellulose by the reactions of epoxidation and etherification.

  以微晶纤维素（mcc）为原料，经环氧化和醚化反应，制备了纤维素衍生物——纤维素苦味酸醚（mcc-pa）。

• the epoxidation of propylene to propylene oxide, using cumene hydroperoxide as oxidant, molybdenum glycol complex as catalyst and ethanol as solvent, has been investigated.

  研究了以钼醇配合物为催化剂，过氧化氢异丙苯为环氧化剂，乙醇为溶剂的丙烯一步氧化制环氧丙烷的反应。

• in this work, h2o2 with ample supply in china was used as oxidant in the epoxidation of cyclohexene.

  本文采用我国有着较大原料供应的过氧化氢（h_2o_2）为环氧化剂，开展环己烯的「绿色」环氧化研究。

• results we obtained the epoxidation products of phenyl epoxy ethane. that with substituent on the benzene ring has higher yield, and that the substituent at 5-have higher yield than at 3-.

  结果产物中有环氧化产物苯基环氧乙烷，催化剂苯环上有取代基的环氧化物产量高，取代基在5-位上的比在3-位上的环氧化物产量高。

• the operation conditions of epoxidation of propylene are studied.

  考察了反应条件对环氧化反应活性的影响。

• the comparison of heterogenized and homogenous catalyst on epoxidation of different alkene was also given.

  同时与均相催化剂空气环氧化不同烯烃的性能进行了对比。

• a steady state course mathematic model is established to describe the continuous cascade epoxidation process.

  建立了多釜串联油脂连续环氧化反应工艺的稳态过程数学模型。

• the epoxidation of propylene by micellar catalysis, including the study on reaction mechanism, the design of micellar catalysis system and its process development, were mainly introduced.

  着重介绍了国外丙烯环氧化的胶团催化技术，包括胶团催化机理、反应体系设计以及工艺开发。

• the invention also provides a process for the epoxidation of an olefin and a process for the preparation of a chemical derivable from an olefin oxide.

  本发 明提供用于烯烃环氧化的方法和制备可由环氧烷衍生的化学品的方 法。

• based on the reaction medium and the elements in the catalysts, the recent progresses of epoxidation of alkenes with hydrogen peroxide have been reviewed.

  以反应介质和主催化元素为线索，对双氧水为氧源的烯烃环氧化反应的最新研究进展进行了综述。

• the epoxidation of propene in gas phase has been investigated.

  研究了纯丙烯气相氧化的环氧化反应。

• the project also found that some iron-containing molecular sieves or compounds could catalyze the epoxidation of high olefins using oxygen as the oxidant.

  项目还发现了一些含铁分子筛或化合物可以催化以氧气为氧化剂的高碳烯烃的环氧化反应。

• the application of metal complex as the catalysts of aerobic oxidation of alcohols and epoxidation of alkenes are reviewed.

  综述了各种金属络合物催化剂在分子氧作为氧化剂在醇的氧化、烯烃的环氧化上的应用。

• the adsorbed atomic oxygen is the common oxygen species for both ethylene epoxidation and combustion; molecular oxygen plays no direct role in either two reactions.

  氧在表面存在三种吸附态，其中原子态吸附氧是乙烯环氧化和深度氧化的活性物种，分子态氧对两个反应不起直接作用。

• recent research progress on the propylene epoxidation catalysts which use molecular oxygen or hydrogen peroxide as oxidants is reviewed.

  评述了以分子氧和双氧水为氧源的丙烯环氧化催化剂体系的最新研究进展。

• moreover, the effects of reaction temperature and the concentrations of oxidant and catalyst on the epoxidation of epdm were investigated as well.

  分别考察了反应温度、反应时间、氧化剂和催化剂浓度对环氧化反应的影响。

• recent progresses of pinene epoxidation at home and abroad were reviewed, different kinds of epoxidation catalytic system and their catalytic reaction characteristics were discussed in details.

  对近年来国内外蒎烯环氧化反应的研究作了评述，详细讨论了蒎烯的环氧化催化剂体系及其催化反应特点。

• epoxidation of alkenes is one of the most important reactions in organic, synthesis.

  烯烃环氧化在有机合成中占有十分重要的地位。