Opening ring reaction for two compounds controls the decomposition rate.
二者的热分解活化能都表明开环反应是速度控制步骤。
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.
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。
Tribenuron-methyl is synthesized via ring-opening reaction, phosgenation and condensation.
经过开环、光气化、缩合等一系列反应制备了苯磺隆。
With a temperature of 3,000 kelvins, this ring of heat speeds along the tube 10,000 times faster than the normal spread of this chemical reaction.
当温度达到3000开尔文（Kelvin，热力热温度，等于摄氏温度加273），这个热量环（ringof heat）沿着纳米管移动的速度将比这类化学反应（chemicalreaction）的正常传递速度快10000倍。
Results showed that imidazoline was hydrolyzed to amide by ring opening reaction under high temperature.
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。
OBJECTIVE: To construct discitis animal model by destroying the fibrous ring and the cartilage lamina through the surgery, in addition, to explore the changes of autoimmune reaction.
目的：通过手术破坏纤维环和软骨终板建立椎间盘炎的动物模型，探讨自免疫状态表达变化过程。
Abnormal hydrogenation of an aromatic ring of hainanensine analogue is reported. The possible mechanism for this reaction is provided.
报道了海南粗榧新碱类似物芳环的一种反常氢化反应，并提出了可能的反应机理。
The cure reaction and thermal properties of a novel dicyanate ester resin containing naphthalene ring were characterized by differential scanning calorimetry(DSC) and thermogravimetric analysis(TGA).
采用差示扫描量热（DSC）和热失重分析（TGA）研究了含萘环结构的氰酸酯树脂的固化反应和耐热性能。
Molecular rearrangement reaction was observed during the heat treatment and the formation of hexahydric imide ring was identified.
在发泡和后处理过程中分子链发生重排反应，生成六元酰亚胺环。
In the picoline pyrolysis experiment, the methyl disengages from aromatic ring to form methane firstly, then the following reaction of the aromatic ring is similar to pyridine.
甲基吡啶的热稳定性比吡啶差，热解时甲基首先脱离芳香环进入气相，随后芳香环的反应途径和吡啶类似；
From molecule structure of coal, coal reaction character was described by aromatic ring, hydrogenation aromatic ring, alkane, alkane bond, oxy-group.
从煤分子结构出发，煤的反应性可以用芳香环，氢化芳香环，烷烃链、烷烃键和含氧官能团的变化来描述。
This article reviews the ring opening reaction of five membered nitrogen containing heterocyclic compounds.
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 paper reviews the catalyst system in RCM reaction and RCM application in the synthesis of natural products including carbon ring, oxygen heterocycles and nitrogen heterocycles, etc.
本文概述了关环转换反应所用催化剂体系及其在天然产物合成中的应用，内容涉及到碳环及含氧、含氮杂环天然产物的合成。
The result shows that the transition state of the rearrangement reaction has a three-membered ring structure.
结果表明，该重排反应经过一个三元环过渡态。
The result shows that the transition state of the rearrangement reaction is a three-member ring structure external the molecular plane.
结果发现，该重排反应经过一个面外三元环过渡态。
The embedded depth and the diameter of the reaction ring are determined by theoretical and experimental analysis.
嵌入式的深度和反应环直径有决心通过理论和实验分析。
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.
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。
Synthetic reactions of hyperbranched polymers included condensation reaction, addition reaction, ring - opening reaction, grafting reaction, etc.
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。
Bicyclic fused aziridines can generate regioselective ring opening reaction with various alcohols, catalyzed by slight concentrated sulfuric acid.
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。
All transition states, activation energies and potential curves of four possible reaction paths were obtained. It was found that the homolysis of n-no2 bond in five-membered ring is the initial step.
求得可能的四种不同热解反应通道的过渡态、活化能和位能曲线，发现其热解引发步骤为五元环上侧链n—NO2键的均裂。
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.
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。
The obtained results show the isomerization reaction first forms a four membered ring transition state and then the product is got.
研究结果表明该异构化反应先形成一个四元环过渡态而后转变为产物。
Using sodium dicyandiamide and saccharin as raw materials, tribenuron-methyl is synthesized via ring-opening reaction, phosgenation and condensation with total yield of 57.
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。
The new polymer quaternary ammonium salt was synthesized from epoxy phenolic resin via ring-opening reaction with aqueous solution of triethylamine hydrochloride.
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。
Because it has shown a pleased result in many kinds of precipitation reaction such as ring precipitation reaction, AGAR diffusion reaction and so on.
结果：自制兔抗羊免疫血清和羊血清经环状沉淀、琼脂扩散多种沉淀反应试验，验证均与兔抗人血清和人血清的反应结果相近。
The key steps of hydrocracking of tetralin, the conversion of double ring compounds and the yields of mono-ring compounds were affected by the reaction temperature and the acidity of two catalysts.
四氢萘加氢裂化反应的关键步骤和双环化合物裂解的转化率以及单环化合物的产率与两种催化剂担体的酸性及反应温度有关。
In this article, coumarin ring is a creative design which ensures the integrity of the molecule as a whole overall reaction process, improved bio-compatibility.
这篇文章的在香豆素环的设计上很有创意，确保了反应过程中整个分子的整体完整性，保持高分子状态，提高了生物相容性。
The calculated results show that the aza Wittig reaction is a two step reaction, having one four membered ring intermediate on its reaction surface.
计算结果表明该反应是一个二步反应，在反应途径上存在一个四元环中间体。
The calculated results show that the aza Wittig reaction is a two step reaction, having one four membered ring intermediate on its reaction surface.
计算结果表明该反应是一个二步反应，在反应途径上存在一个四元环中间体。
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