对开环反应机理进行了探讨。
二者的热分解活化能都表明开环反应是速度控制步骤。
Opening ring reaction for two compounds controls the decomposition rate.
介绍了环氧氯代烃的两种化学反应：取代反应和开环反应。
Two reactions of epichlorohydrocarbon that is opening-ring and substitute reaction were introduced, at the same time, some kinds of medication made from epichlorohydrin were introduced .
结果表明，四种衍生物热分解的主要反应途径都是直接开环反应。
It is discovered that the direct ring rupture channel is the main pathway during the thermal decompositions of the four tetrazole derivatives.
综述了近年来各种五元氮杂环的开环反应及其在有机合成中的应用。
This article reviews the ring opening reaction of five membered nitrogen containing heterocyclic compounds.
试验结果表明，高温条件下，咪唑啉发生开环反应，生成了酰胺类物质。
Results showed that imidazoline was hydrolyzed to amide by ring opening reaction under high temperature.
利用三乙胺盐酸盐与酚醛环氧树脂进行开环反应合成了酚醛环氧树脂季铵盐。
The new polymer quaternary ammonium salt was synthesized from epoxy phenolic resin via ring-opening reaction with aqueous solution of triethylamine hydrochloride.
本文主要研究了一种利用氮杂环丙烷开环反应合成邻位氨基醇的有机新反应。
This paper reports a new green ring opening reactions of aziridines with H_2O.
采用硅溶胶与环氧树脂e - 44直接开环反应的合成方法改进环氧树脂的性能。
In order to improve the performance of epoxy resin E-44, it was modified with silica sol through direct ring-opening reaction.
实验结果表明在单纯紫外光条件下，萘首先会发生开环反应，生成1,4 -丁二醇和苯。
Experimental results show that under single UV irradiation only, the naphthalene is first converted into 1, 4-butanediol and benzene.
它与环氧树脂混合后首先形成过渡状态，然后按双分子亲核取代(SN2)机理进行开环反应。
After it was mixed with epoxy resin, transition state was formed first. Then they got on with opening ring reactions according to bimolecular nucleophilic substitution mechanism (SN2).
通过使用含乙烯基吡啶聚合物的催化剂能令 人惊奇地使形成二醇或二醇醚副产物的开环反应最少化。
Surprisingly, ring-opening reactions that form glycol or glycol ether by-products are minimized by using the vinylpyridine polymer-containing catalysts.
用醇作溶剂、微量的浓硫酸作催化剂，稠合双环氮杂环丙烷衍生物可发生区域选择性氮杂环开环反应。
Bicyclic fused aziridines can generate regioselective ring opening reaction with various alcohols, catalyzed by slight concentrated sulfuric acid.
环氧乙烷是乙烯衍生物有机化工原料中间体，它易与水、醇、氨、胺、酚、卤化氢、酸及硫醇进行开环反应。
Ethylene oxide is the derivative of ethane and the intermediate of organic chemistry raw materials. It reacts easily with water, alcohol, ammonia, amine, phenol, hydrogen halide, acid and thioalcohol.
在二氯甲烷溶液中，一氧化氮导致2,3 -环氧酮发生顺式开环反应，生成的顺式羟基硝酸酯化合物为主要产物。
Ring opening reaction of 2, 3-epoxy ketones with nitric oxide in dichloromethane occurred in a syn-selective fashion, producing syn-2-hydroxy nitrates as main products.
实验证明：以甲醇为溶剂，在聚乙二醇（PEG-1500）相转移催化剂存在下，开环反应在室温下可以顺利发生，生成预期的目标化合物。
It was indicated that in the present of methanol under room temperature, the target compound could be synthesized successfully under the phase-transfering catalyzer polyglycol(PEG-1500).
经过开环、光气化、缩合等一系列反应制备了苯磺隆。
Tribenuron-methyl is synthesized via ring-opening reaction, phosgenation and condensation.
多形态计划的目标是创建一种从静态开环转移到反应式闭环任务算法、应用软件和硬件的范例。
The goal of the polymorphous initiative was to "institute a paradigm shift from static open loop to reactive closed-loop mission algorithms, application software, and hardware implementation."
第二步，在金属钾催化条件下，使第一步产物缩水甘油醚发生开环加成反应生成双子表面活性剂的中间体低聚二醇。
The second step, the digomeric glycol-intermediate product of Gemini. surfactant was prepared by opening ring reaction of glycide ether in the presence of potassium as catalyst.
针对当前乙炔加氢反应器操作现状，提出了常规复杂控制与基于机理模型的预测控制技术相结合的复合控制策略，旨在改善当前成效低的简单开环调节。
Based upon the operation actuality of acetylene hydrogenation reactor, the paper set up a control strategy, which is composed of general PID control and predictive control based on mechanism model.
以双氰胺钠和糖精为起始原料，经过开环、光气化、缩合等一系列反应制备了苯磺隆，合成反应的总收率可达57。
Using sodium dicyandiamide and saccharin as raw materials, tribenuron-methyl is synthesized via ring-opening reaction, phosgenation and condensation with total yield of 57.
模糊开环控制能有效地减小建筑结构的地震反应。
It is demonstrated that earthquake response of structure can be decreased by the method of fuzzy open-loop control.
采用微反-色谱联合装置对环氧丙烷开环异构化反应中催化剂的初活性进行了评选。
The initial activity of catalyst in isomerization reaction of propylene oxide have been evaluated with microreactorchromatograph.
超支化聚合物的合成反应主要有缩聚反应、加成反应、开环聚合、接枝反应等。
Synthetic reactions of hyperbranched polymers included condensation reaction, addition reaction, ring - opening reaction, grafting reaction, etc.
单环芳烃的加氢饱和与环烷烃的选择开环是柴油深度脱芳过程中的重要反应。
The hydrogenation saturation of aromatics and selective ring opening of cycloalkane were the most important process during deep dearomatization of diesel oil.
在微波辐射下，选择不同的阴离子引发剂使环氧乙烷开环聚合，缩短了反应时间。
Ethylene oxide was polymerized under microwave irradiation using some anionic as a initiator. The reaction time was shortened.
发现THEIC与环氧单体可在非均相体系中平稳地进行阳离子开环聚合反应。
It was found that the ring opening polymerizations of epoxide based monomers with THEIC can be carried out in a heterogeneous medium smoothly.
聚双环戊二烯是采用反应注射成型工艺合成的一种性能优良的新型工程材料，是通过开环易位机理形成的聚合物。
Polydicyclopentadiene (PDCPD) is a novel engineering material synthesized by reaction injection molding (RIM) method and such reaction mechanism is ring-opening metathesis polymerization.
二氢-2-甲基-4-苯基-1，5-苯并硫氮杂卓与重氮乙酸乙酯反应，得到非预期的分子内重排的开环产物。
From the reaction of 2,3 dihydro 2 methyl 4 phenyl 1,5 benzothiazepines with diazozcetic ester an unexpected ring open product of the intramolecular rearrangement was obtained.
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。
The aziridinium ions must all be opened by a concerted process.
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