epoxidation是什么意思   epoxidation怎么读

英式:[epɒksɪ'deɪʃən]    美式:[epɒksɪ'deɪʃən]

epoxidation单词基本解析:

n.环氧化作用
n. 环氧化作用

epoxidation变化用词:



epoxidation英英释义:

epoxidation中文词源:

epoxidation用法和例句:

epoxidation


Keywords W-SBA-15 mesoporous molecular sieve;sodium tungstate;tungstic acid;cyclohexene;epoxidation;

15介孔分子筛;钨酸钠;钨酸;环己烯;环氧化反应;


Keywords Ti ZSM 5 molecular sieve;gas solid isomorphous substitution;epoxidation of propylene;

5分子筛;气固相同晶取代;丙烯环氧化;


A:Epoxidation state of xanthophyll cycle;

A:叶黄素循环脱环氧化状态;


Keywords Ti-HMS molecular sieve;catalyst;gas-phase silylation;cyclohexene;cumene hydroperoxide;epoxidation;

HMS分子筛;催化剂;气相硅烷化;环己烯;过氧化氢异丙苯;环氧化;


Keywords Ti-MWW molecular sieve;catalyst;allyl alcohol;glycidol;epoxidation;

MWW分子筛;催化剂;烯丙醇;环氧丙醇;环氧化;


Keywords Ti-MWW molecular sieve;allyl alcohol;glycidol;epoxidation;

MWW分子筛;烯丙醇;环氧化;环氧丙醇;


Sharpless asymmetric epoxidation

Sharpless不对称环氧化


STUDY ON THE DEACTIVATION OF TS-1 MOLECULAR SIEVE IN CATALYZING ALLYL CHLORIDE DIRECT EPOXIDATION

TS-1催化氯丙烯直接环氧化反应的失活研究


Keywords styrene butadiene rubber;epoxidation;formic acid;hydrogen peroxide;phase transfer catalyst;polyethylene glycol;

丁苯橡胶;环氧化;甲酸;过氧化氢;相转移催化剂;聚乙二醇;


CATALYTIC EPOXIDATION OF EPDM

三元乙丙橡胶的催化环氧化


asymmetric epoxidation

不对称环氧化


Keywords asymmetric epoxidation;organic catalysis;oxygen transfer;oxaziridine;oxaziridium salt amine;

不对称环氧化;有机催化;氧转移;氧杂氮杂环丙烷;氧杂氮杂环丙烷季铵盐;


Keywords Alanine;Sal-Ala-Mn;isobutyraldehyde;cyclohexene;epoxidation;

丙氨酸;席夫碱锰配合物;异丁醛;环己烯;环氧化;


Keywords propylene,epoxidation,molecular oxygen,silver catalyst,copper catalyst;

丙烯;环氧化;分子氧;银催化剂;铜催化剂;


Propylene epoxidation

丙烯环氧化


Keywords mesoporous silica;Ti complexes;assembly;catalysis;epoxidation of styrene;

中孔硅载体;钛络合物;组装;催化作用;苯乙烯环氧化;


A three-tower separation technology to separate the mixture of water, ethylene-glycol and PGME, the propylene epoxidation products, is presented in this paper.

为了解决这一问题,本文提出了水、丙二醇和丙二醇单甲醚混合物的三塔分离工艺流程。


Keywords ethylene epoxidation;supported silver catalysts;OCM reaction;

乙烯环氧化;负载银催化剂;甲烷氧化偶联;


Study of Cs Promoting Effects on Ag Catalyst for Ethylene Epoxidation

乙烯环氧化银催化剂中铯的助催作用


Keywords dioxirane;epoxidation;carbon - carbon double bonds;

二甲二氧环烷;环氧化;碳碳双键;


Keywords mesoporous materials;alkene epoxidation;catalysis;

介孔材料;烯烃环氧化;催化;


The recent progress in heterogenization of homogeneous molybdenum containing catalysts used for epoxidation of olefins is reviewed.

介绍了以有机聚合物和无机硅酸盐为载体,负载钼催化剂及其对烯烃环氧化反应催化性能的研究进展;


This review involves chiral metal complexes as catalysts for asymmetric epoxidation of simple olfins.

介绍了多类简单烯烃不对称环氧化反应的手性过渡金属配合物催化剂系统的催化效果。


Research Progress on Catalytic Epoxidation of Propylene with Molecular Oxygen

以分子氧为氧源催化丙烯环氧化制环氧丙烷


Epoxidation of Propylene and Hydrogen Peroxide in a Lower Pressure Continuous Fixed-Bed Reactor

低压固定床反应器中丙烯直接环氧化连续反应


This article primarily talks about the research development of olefin epoxidation from the catalyst aspect, especially from the aspect of hetegeneous catalysis.

作者将主要从催化剂方面,尤其是多相催化方面介绍一下烯烃环氧化的研究进展。


Influence of modification on behaviors of the catalysts for epoxidation of cis-propenylphosphonic acid for manufacture of phosphonomycin

修饰剂对磷霉素环氧化催化剂的影响


catalytic asymmetric epoxidation

催化不对称环氧化


Research Progress of Epoxidation of Cyclohexene by Catalytic Molecular Oxygen

催化分子氧环氧化环己烯的研究进展


catalytic epoxidation

催化环氧化


The dioxirane was successfully applied to the epoxidation reactions of some natural compounds with carbon - carbon double bonds.

其光谱数据和理化性能与文献报道一致,制得的氧化剂应用于一系列天然化合物的碳碳双键环氧化反应,取得较好结果。


Keywords Molecular oxygen;Valeraldehyde;Cobaltic oxide;Cyclohexene;Epoxidation;1;2-epoxycyclohexane;

分子氧;正戊醛;三氧化二钴;环己烯;环氧化反应;1;2-环氧环己烷;


Keywords Ti-MWW;Zeolite;Allyl alcohol;Glycidol;epoxidation;

分子筛;烯丙醇;缩水甘油;环氧化;


epoxy chloropropane; production process; high-temperature chlorination method; allyl acetate-allyl alcohol method; epoxidation method;

分析了国内外环氧氯丙烷生产情况和生产技术进展情况,并对几种生产技术进行了对比。


Keywords dicyclopentadiene;dicyclopentadiene diepoxide;nano-silica;12-tungstophosphoric acid;hydrogen peroxide;epoxidation;catalyst;

双环戊二烯;二氧化双环戊二烯;纳米二氧化硅;12-钨磷酸;过氧化氢;环氧化;催化;


The first step is synthesis of ethers and the second step is epoxidation of double bonds.The third step is reaction of dehydroabietylamine with epoxy group.

反应分三步进行:醚化反应、双键环氧化和脱氢枞胺与环氧基开环反应。


Keywords reaction-controlled phase transfer catalysis;soybean oil;epoxidation;

反应控制相转移催化;大豆油;环氧化;


Factors Affecting Propylene Epoxidation Catalyzed by Reaction-Controlled Phase-Transfer Catalyst

反应控制相转移催化剂催化丙烯环氧化反应的影响因素


Reaction-Controlled Phase-Transfer Catalysis for Propylene Epoxidation to Propylene Oxide

反应控制相转移催化用于丙烯氧化制环氧丙烷


Keywords cobalt-containing faujasite;styrene;oxygen;epoxidation;solvent;

含钴八面沸石;苯乙烯;氧气;环氧化;溶剂;


The Co complexes can catalyze the olefin epoxidation in ethyl acetate/ water biphase system under room temperature by using KHSO5 as the oxidation agent.

含钴的错合物在乙酸乙酯/水两相系统中以过硫酸氢钾为氧化剂,于室温可催化烯类环氧化反应,而且有不错的催化效果;


Keywords 1;2;2-tetrakis(hydroxyphenyl) ethane tetraglycidyl ether epoxy resin;2tetrakis(hydroxyphenyl) ethane;epichlorohydrin;catalysis;etherification;epoxidation;

四对羟基苯基乙烷四缩水甘油醚环氧树脂;2-四对羟基苯基乙烷;环氧氯丙烷;催化;醚化;环氧化;


Catalytic Asymmetric Epoxidation of Styrene Using Manganese Tetrachlorophenylporphyrin Complexes

四氯苯基卟啉锰配合物催化苯乙烯不对称环氧化反应


Keywords fixed-bed reactor;ethylene epoxidation;optimization;simulation;software design;

固定床反应器;乙烯氧化;优化;模拟;软件设计;


Keywords fixed-bed reactor;ethylene epoxidation;epoxy ethane;simulation analysis;heat transport of catalyst bed;

固定床反应器;乙烯环氧化;环氧乙烷;模拟分析;床层导热性;


Foreign Recent Status of Research and Development on Preparation of Propylene Oxide by Epoxidation of Propylene with Hydrogen Peroxide

国外用过氧化氢环氧化丙烯制环氧丙烷研发近况


In the epoxidation of propylene with H2O2, high H2O2 conversion and high selectivity to PO can be obtained over TS-1. However, the cost of H2O2 is very high.

在TS-1分子筛的催化下,H_2O_2可以高选择性高效率的使丙烯环氧化生成PO; 但是原料双氧水的价格很高。


EFFECTS OF PROPYLENE OXIDE ON TS-1 CATALYTIC PERFORMANCE DURING PROPYLENE EPOXIDATION WITH HYDROGEN PEROXIDE

在丙烯环氧化反应中环氧丙烷对TS-1催化性能的影响


For propylene epoxidation,characterization revealed that the hydroperoxide species formed on Au surface by reaction of H2 and O2 was the intermediate of the reaction.

在丙烯直接环氧化反应中,由H2和O2在金颗粒表面反应生成的过氧化物种是反应中间体; 在选择性氧化和选择性加氢反应中,金催化剂表现出优良的活性和稳定性。


4. For propylene epoxidation,characterization revealed that the hydroperoxide species formed on Au surface by reaction of H2 and O2 was the intermediate of the reaction.

在丙烯直接环氧化反应中,由H2和O2在金颗粒表面反应生成的过氧化物种是反应中间体;在选择性氧化和选择性加氢反应中,金催化剂表现出优良的活性和稳定性。收藏指正


In the epoxidation, chloroform and t butanol gave the best results.

在环己烯环氧化反应中 ,以氯仿和叔丁醇为溶剂时 ,环氧化反应的结果最好 .


For propylene epoxidation, characterization revealed that the hydroperoxide species formed on Au surface by reaction of H2 and O2 was the intermediate of the reaction.

在选择性氧化和选择性加氢反应中,金催化剂表现出优良的活性和稳定性。


Keywords Zeolite Y;Manganese phthalocyanine;Catalytic epoxidation;Olefins;Shape selectivity;Iodosobenzene.;

型分子筛;酞菁锰;催化环氧化;烯烃;形状选择性;碘氧苯;


Keywords polyoxovanadate;dioxygen;olefin;epoxidation;oxygen transfer;isobutyraldehyde;active species;

多钒酸盐;氧;烯烃;环氧化;氧转移;异丁醛;活性物种;


Keywords soybean oil;epoxidation;tungsten-based polyoxometallate complex;hydrogen peroxide;

大豆油;环氧化;过氧钨配合物;过氧化氢;


Keywords soybean oil;epoxidation;epoxidized soybean oil;

大豆油;环氧化作用;环氧大豆油;


Research of the Epoxidation Kinetics of the Soy Bean Oil

大豆油的环氧化反应宏观动力学研究


The preliminary catalytic studies of the compounds mentioned above show that all these substituted polyoxomolybdates have fairly good catalytic activities for the cyclohexene epoxidation reaction.

对上述化合物初步的催化研究表明,这几个化合物均有较好的催化氧化环己烯的活性.


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。


And these catalysts were applied to catalyse asymmetric Michael addition of 2-nitropropane to chalcone and epoxidation of chalcone.

并用这些催化剂催化了2-硝基丙烷与查尔酮的不对称Michael加成和查尔酮的不对称环氧化反应。


Guofu Zhang, Jinxing Ye, Yongcan Wang, Xinmiao Liang and Jiping Chen, A catalytic procedure for epoxidation of electron deficient alkenes, China Patent (Chinese) CN200310119471.6

张国富,叶金星,王永灿,梁鑫淼,陈吉平,一种催化氧化关能化烯烃生成环氧化物的方法,申请号:200310119471.6。


Keywords Chirality;Asymmetry;Epoxidation;Allylation;Benzoylhydrazones;Conjugate addition;Michael addition;

手性;不对称;环氧化;烯丙基化;酰腙;共轭加成;迈克尔加成;


Keywords chiral phase-transfer catalyst;natural amino acid;quaternary ammonium salt;chalcone;asymmetric epoxidation;

手性相转移催化剂;天然氨基酸;季铵盐;查耳酮;不对称环氧化;


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

摘要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。


New researches on mechanism of alkene epoxidation by iron porphyrins and manganese porphyrins in recent years are presented in this paper.

摘要本文就铁卟啉及锰卟啉模拟酶体系近年来在催化烯烃环氧化反应机理方面的最新研究成果进行了详细阐述。


Epoxidation of olefins is an important chemical reaction in chemical industry. Epoxides have been used as organic materials and chemical intermediates.

摘要烯烃的环氧化反应是化学工业中重要的化学反应之一,其环氧化物是用途极为广泛的有机原料和化学中间体。


Environmentally benign catalytic epoxidation of olefins is one of the important aspects in catalytic oxidation field.Hydrogen peroxide as one of the ideal oxidant is used in many catalytic systems.

摘要环境友好催化烯烃环氧化是催化氧化领域中的一大热点,过氧化氢作为一种理想的清洁氧源日益受到人们的重视。


This paper reviews the new research progress of epoxidation of propylene with different oxidants.

摘要综述了不同氧源与丙烯环氧化反应的研究新进展。


Epoxidation mechanism of (1, 3)-butadiene over silver surface was studied by dipped adcluster model (DAM) combined with B3LYP density function theory.

摘要采用B3LYP密度泛函方法和DAM模型对(1,3)-丁二烯环氧化机理进行了研究。


The common methods of modification are epoxidation ,acylamidation,secondary ammoniation,quaterisation,etc.

改性的方法主要有环氧化、酰胺化、仲胺化、季铵化或混合改性等。


This review summarizes recent developments for the epoxidation of olefins with hydrogen peroxide catalyzed by polyoxometalates, and points out the developmental way of this kind of catalyst in the future.

文章综述了以杂多酸为催化剂,过氧化氢为氧化剂的烯烃环氧化反应研究进展,指出了今后此类环氧化反应催化剂发展方向。


The crystal size of TS-1 has significant effect on the propylene epoxidation, but this kind of effect weakens if stirring well.

无搅拌时,TS-1分子筛晶粒大小对丙烯环氧化反应影响显著;


organocatalytic asymmetric epoxidation

有机催化不对称环氧化


The epoxidation reaction of diphenylethylene by heteropolyacids catalysts is studied.TheCatalytic activity of heteropolyacids is explored.

本文以杂多酸为催化剂对二苯乙烯的环氧化反应进行了研究,探讨了杂多酸的催化活性。


The epoxidation reaction of maleic acid by heteropolyacid catalyst is studied.The influences of various factors on the reaction are discussed and the optimum reaction conditions are determined.

本文以杂多酸为催化剂对顺丁烯二酸的环氧化反应进行了研究,讨论了各因素对反应的影响,并确定了最佳反应条件。


This review highlights our recent studies on the epoxidation of propylene by nitrous oxide and oxygen catalyzed by iron-and copper-based heterogeneous catalysts.

本文对作者等近年来开展的以一氧化二氮为氧化剂的铁催化体系和以氧气为氧化剂的铜催化体系的研究进展进行了综述。


We have also studied the kinetics of the cyclohexene epoxidation catalyzed by 2 with TBHP and the apparent reaction order, frequency factor and activation energy are obtained.

本文对该反应的动力学及热力学性质也进行了研究,确定了表观反应级数、速率常数和反应活化能。


We have also investigated the epoxidation of cyclohexene catalyzed by 2 systemically.

本文较为系统的研究了MoO2Cl2(OPMePh2)2 (2)催化环己烯环氧化反应。


Based on density functional theory(DFT) and B3LYP method, we made a theoretical study of the reaction system involving organic transitional metal compound and the (Salen)Mn(V)-catalyzed epoxidation.

本文采用密度泛函理论B3LYP方法对有机过渡金属化合物参与的化学反应体系进行了理论研究。


Keywords limonene;selective epoxidation;1;2 limo nene epoxides;

柠檬烯;选择性环氧化;1`2-环氧柠檬烯;