• 异构化反应分子筛内外表面同时进行

    Isomerization could be performed on the internal and external surface of molecular sieve simultaneously.

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  • 晶体中的异构化反应

    Like an isomerization inside a crystalline solid.

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  • 综述正构烷烃临氢异构化反应进行的研究

    The research developments of n-paraffins hydroisomerization were reviewed.

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  • 研究了过渡金属炔烃衍生物异构化反应

    The transition metal catalyzed isomerization reactions of acetylenic derivatives were studied.

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  • 发现通过冻干制剂可以抑制上述异构化反应

    Further, they found that the isomerization reaction thereof can be suppressed by preparing a formulation by lyophilization.

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  • 本文报道了高温进行异构化反应研究。

    The thermal isomerization of Pinane is studied at high temperature and Atmospheric pres are.

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  • 研究甲酯下发生异构化反应规律。

    The isomerization of methyl ester of cottonseed oil by the catalyst iodine was investigated.

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  • 密度泛函理论方法研究了过亚硝酸水溶液中的异构化反应机理

    The isomerization mechanism of peroxynitrous acid (ONOOH) in the aqueous solution has been studied by using density function theory.

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  • 计算结果发现,六元环结构机理使异构化反应能大大降低。

    The results show that: the mechanism of the six-caned construction make.

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  • 考察了所制备常温下正戊烷异构化反应活性选择性

    The catalytic activity and selectivity of the catalysts for n-pentane isomerization at ambient temperature were investigated.

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  • 研究结果表明异构化反应形成一个过渡而后转变为产物

    The obtained results show the isomerization reaction first forms a four membered ring transition state and then the product is got.

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  • 用国产异构固定床中研究D -葡萄糖D -果糖异构化反应动力学

    The kinetics of the isomerization of D-glucose and D-fructose was studied on the immobilized enzyme.

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  • 采用微反-色谱联合装置环氧丙烷开环异构反应活性进行了评选。

    The initial activity of catalyst in isomerization reaction of propylene oxide have been evaluated with microreactorchromatograph.

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  • 原油蚀变提高了甾烷异构反应程度某些样品远远超过异构化反应平衡终点

    After crude oil alteration, the degree of sterane isomerization reaction is enhanced, and in some samples, the balanced endpoint value of isomerization reaction is exceeded far beyond.

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  • 树脂反应生成顺丁烯二酸酯结构受热的影响会产生顺、反异构化反应

    Under the influence of heat, the maleate structure formed in the esterification tends to isomerize into fumarate.

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  • 焦炭酸中心覆盖能抑制骨架异构化反应,但其影响幅度小于反应的影响。

    The suppression of skeletal isomerization caused by coke deposition on the active sites of catalyst is in a lesser extent than that of cracking.

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  • 第二章中,通过理论计算对金催溴代连二烯异构化反应机理进行了研究讨论

    In the second chapter, the mechanism of the gold-catalyzed cycloisomerization of bromoallenyl ketone was investigated and discussed.

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  • 考察用量、反应初始浓度反应时间溶剂冰片二烯光敏异构化反应影响

    The effects of concentration of sensitizer, initial concentration of norbornadiene, reaction time and solvents on conversion of norbornadiene and selectivity of quadricyclane were investigated.

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  • 对C_5烯烃骨架异构反应原理研究进展以及异构化工艺现状了探讨综述

    The principle of skeletal isomerization reaction of C_5 olefin, advances in research of catalyst, and the present situation of isomerization process were discussed and reviewed.

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  • 采用KOH,正丁醇为溶剂,碱通过碱性异构化反应制备共轭油酸(CLA)。

    The conjugated linoleic acids (CLA) were prepared by alkali isomerization with KOH as catalyst, butyl alcohol as solvent and suaeda salsa seed oil as raw material.

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  • 随着反应温度提高化反应骨架异构化反应增强齐聚反应转移反应化反应减弱

    The cracking and skeletal isomerization became more strong with the rise of reaction temperature, while oligomerization, cyclization and hydrogen transfer reaction became weaker.

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  • 骨架异构反应一个快速反应反应温度减少反应时间增强过程中的骨架异构化反应

    To react at a shorter contact time can enhance skeletal isomerization reaction under lower reaction temperature, since isomerization is a relatively quick reaction during catalytic cracking process.

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  • 但对邻二甲苯异构反应由于反应不是单纯反应产物扩散控制,它们对位选择性并无明显改善

    For isomerization of o-xylene the improvement in para-selectivity has not been observed, because the reaction is not mainly controlled by the diffusion of the reaction products.

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  • 强酸位对二乙苯乙苯裂活性中心,异构化反应生成对位异构体的选择性影响不大

    The strong acid is the active site for creaking para-diethylbenzene and ethylbenzene and it has little effect on p-isomer selectivity of disproportionation and isomerization.

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  • 反应固定的条件下进行的,通过建立稳态反应模型,求出了异构化反应网络中的一步动力学参数

    The reaction took place in the fixed bed reactor. By using steady state model, each step kinetic parameter in the reaction net was acquired.

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  • 研究它们烯烃双键异构反应中的作用,这两种剂在1—己烯双键异构化反应中的反应条件

    Their catalytic activity for 1-hexene double bound isomerization was investigated and their catalytic reaction conditions were optimized for double bound isomerization.

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  • 采用量子MNDO计算了氟代甲酰胺和N—氟代甲酰胺1,2—氢迁移异构反应势能面上的反应路径

    The reaction pathways of 1,2-hydrogen migration isomerization on the potential energy face have been calculated by the quantum chemistry, MNDO method.

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  • SSBR/S/NS体系等温过程等温硫过程均存在异构化反应,且非等温过程中的顺反异构化程度等温硫过程高。

    There was cis-trans isomerism on the system of SSBR/S/NS and the degree of cis-trans isomerism in the process of non-isothermal vulcanization was deeper than the isothermal vulcanization.

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  • 磨耗不仅导致高分子断裂而且可能会发生链转移反应大分子自由基的异构化反应。提出胶料磨耗机械力引发的具有链式反应特征的力反应结果

    The results show that the abrasion process is similar to its aging by heat and oxygen. The abrasion not only resulted in the fragmentation of macromolecule chain, but also would lead to ch…

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  • 评述了阳离子型聚合电子重排基团迁移异构化聚合反应机理

    In this paper, the electron rearrangement, group transfer isomerization reactions and mechanism in carbocationic isomerization polymerizations are reviewed in detail.

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