字典

Ring-opening reaction

Ring-opening reaction


基本解释:开环反应

网络释义


Ring-opening reaction

1)Ring-opening reaction,开环反应2)ring opening reaction,开环反应3)Ring-opening,开环反应4)photo cleavage reaction,光开环反应5)opening of epoxy ring reaction,环氧开环反应6)ring opening polymerization,开环聚合反应

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用法和例句


Potassium maleate-containing ionomers were prepared by ring-opening reaction of epoxidized styrene-butadiene-styrene block copolymer(SBS).用环化(苯乙烯-丁二烯-苯乙烯)嵌段共聚物(SBS)开环反应合成了含顺丁烯二酸基的SBS离聚体,考察了离子基团不同含量对含顺丁烯二酸基的SBS离聚体力学性能的影响,研究了离聚体/聚丙烯(PP)共混物的力学性能和耐溶剂性能,以及离聚体对醇橡胶(CHR)/SBS共混物的增容效果。e8x汉语字典

Epoxidized styrene-butadiene-styrene triblock copolymer(ESBS) can react with potassium hydrogen maleate by ring-opening reaction in the presence of phase transfer catalyst and ring-opening catalyst.利用环化苯乙烯-丁二烯-苯乙烯嵌段共聚物(ESBS)的环基与顺丁烯二酸氢(HKM)在相转移催化剂和开环催化剂存在的条件下开环反应制得离聚体。e8x汉语字典

Sodium sulfonated SBS ionomer was made from epoxidized styrene-butadienestyrene triblock copolymer(ESBS) and NaHSO_3 by ring-opening reaction in the presence of phase transfer catalyst,ring-opening catalyst and pH value regulator.结果表明,ESBS开环反应制备磺酸钠离聚体的最佳条件为:ESBS在甲苯中的质量浓度为12 g/100 mL;n(NaHSO3)/n(Epoxy)=1。e8x汉语字典

Ab initio study on the ring opening reactions of cyclopropymethanide and cyclobutylmethanide;环丙烷及环丁烷甲基化合物开环反应机理的从头算研究e8x汉语字典

Their ring opening reactions can be used for preparing polyfunctional or other cyclic compounds.烷化合物的开环反应可以用来合成其它方法难以合成的多官能团化合物 ,或通过开环和修饰合成其他环状化合物。e8x汉语字典

This article reviews the ring opening reaction of five membered nitrogen containing heterocyclic compounds.综述了近年来各种五元杂环的开环反应及其在有机合成中的应用。e8x汉语字典

The present work use a new-type anode, lead dioxde membrane electrode,for electron-chemically oxidizing calcium lignosulfonate, and discuss the effects of pH value, electrolysisvoltage and charge amount on aromaic ring-opening reaction of lignin during the process of elec-tro-oxidation, Some conclusions are obtained from the results.用一种新型电极—PbO2膜电极作阳极对本质素磺酸盐溶液进行电化反应,研究中发现在电化过程中木质素磺酸盐除发生分子链断裂之外,芳香环开环反应也很显著。e8x汉语字典

It was found that the ring opening polymerizations of epoxide based monomers with THEIC can be carried out in a heterogeneous medium smoothly.以1,3,5-三羟乙基异氰脲酸酯(THEIC)为引发剂、三乙醚络合物为催化剂,环化合物为环单体,进行了阳离子开环聚合反应的研究。e8x汉语字典

Oxidation of Olefins Catalyzed by AuCl and the Selective Ring-Opening Reaction of Oxaziridine;AuCl催化的烯烃化反应和三元环的选择性开环反应研究e8x汉语字典

The Study of Ring-Opening Allylation of Epoxides in Aqueous Media;水相中环化合物烯丙基开环反应研究e8x汉语字典

Study on a Green Oxidative Ring Cleavage Reaction by Using Aqueous Hydrogen Peroxide;化氢环境友好性开环反应的研究e8x汉语字典

Studies and Applications of the Ring Fragmentation of 1, 3-Dithiolancyclopentyl in α-Oxo Cyclicketene-(S, S)-Acetals;α-羰基环二缩烯酮中1,3-二戊环的开环反应及应用研究e8x汉语字典

open-cycle reactor system开式循环反应堆系统e8x汉语字典

Tandem Ring-Opening/Closing Reactions of N-Ts Aziridines and Aryl Propargyl Alcohols杂环丙烷和芳基炔丙醇的串联开环关环反应e8x汉语字典

The Study of New Types Chiral Catalysts for Asymmetric Ring Opening and Ring Closing Terminal Epoxides Reaction;新型催化剂在手性开环和扣环反应中的应用e8x汉语字典

Amine-Mediated Ring-Opening and Ring-Closure Reaction of EWG-Activated 2-Methylene-1,3-dithioles;胺媒介的α-羰基二噻烯的开环—关环反应研究e8x汉语字典

Emulsion Ionic Ring-Opening Polymerization of Octamethyltetracyclosiloxane八甲基环四烷的乳液离子开环聚合反应e8x汉语字典

Ring-Opening Polymerization of Ethylene Oxide Initiated by Sodium Methoxide甲醇钠引发的环乙烷开环聚合反应过程e8x汉语字典

Study on the Ring-Opening Polymerization of Ethylene Oxide and Propylene Oxide;乙烷和环丙烷的开环聚合反应与产物性能研究e8x汉语字典

The process of ring opening reaction is proved through analyzing aminating mechanism by IR and NMR.利用红外及核磁共振碳谱分析了胺化反应机理,证明是开环反应。e8x汉语字典

Kumada Cross Coupling Reaction and Ring Opening Polymerization of ε-Caprolactone Catalyzed by Iron Compounds;化合物催化的Kumada偶联反应、己内酯开环聚合反应研究e8x汉语字典

Theoretical Studies on the Mechanisms of Methanol-assisted Ring-opening Polymerization of Lactide and Au-Catalyzed Cycloisomerization and Cyclization Reactions甲醇协助丙交酯开环聚合反应以及催化环异构化和环化反应机理的理论研究e8x汉语字典

The products′ separation process in propylene epoxidation reaction is developed in this paper.开发了丙烯环化反应产物的分离工艺流程.e8x汉语字典

Ring-opening Polymerization of ε-caprolactone Catalyzed by Thermophilic Esterase;嗜热酯酶催化ε-已内酯开环聚合反应的研究e8x汉语字典

When considering this response it is convenient to look at closed-loop and open-loop control situations separately.在研究这一反应时,分别观察闭环和开环操纵情况是方便的。e8x汉语字典

The aziridinium ions must all be opened by a concerted process.亚胺基杂环丙烷季铵盐的阳离子,一定是按协同反应的方式开环的。e8x汉语字典