对相转移催化合成2-戊叉环戊酮及其异构化的条件进行了研究。
The synthetic conditions of 2-pentylidene cyclopentenone using PTC were stud-ied, and the conditions of isomerization were also studied.
晶体中的异构化反应。
使…异构化使…变成一种异构的形式。
使…异构化使…变成一种异构的形式。
引出光敏异构化智能生物开关的概念。
The novel concept of the biological intellectual switch is introduced.
偶氮苯及其衍生物的特点在于可逆顺反异构化。
Azobenzene and its derivatives are characterized by reversible cis-trans isomerization.
研究了过渡金属催化的炔烃衍生物的异构化反应。
The transition metal catalyzed isomerization reactions of acetylenic derivatives were studied.
对烷烃异构化催化剂的研究现状及应用进行了综述。
The present researches and application of isomerization catalysts of light-hydrocarbon are reviewed.
其异构化的目的是提高对二甲苯和邻二甲苯的收率。
Its isomerization is aimed at increasing the yields of para - and ortho - xylenes.
本文报道了蒎烷在高温下进行热异构化反应的研究。
The thermal isomerization of Pinane is studied at high temperature and Atmospheric pres are.
波长对异构化平衡组成及光解产物分布具有一定的影响。
The photoproduct distribution and the equilibrium composition of the isomers were influenced by UV wavelength.
报道钯型C5／C6异构化催化剂的工业应用试验结果。
The industrial application result of Pd-type C5/C6 isomerization catalyst was presented.
随着网络变得越来越复杂和异构化，网络管理问题日益突出。
While networks become more and more complex and heterogeneous, network management has been more important than ever before.
目的：观察几何异构化对番茄红素淬灭单线态氧功能的影响。
Objective: To study the effects of geometrical isomerisation on singlet-oxygen quenching by lycopene in vitro.
当用30 ~40目催化剂时丁烯- 1异构化在动力学区域。
The isomerization of butene-1 occurred in kinetic region with 30 ~ 40 mesh catalyst.
异构化汽油不含硫、烯烃及芳烃，是最洁净的高辛烷值汽油组份。
Isomerized gasoline is the cleanest high-octane gasoline component, which is free of sulfur, olefin and aromatics.
评述了阳离子型聚合中电子重排、基团迁移异构化聚合反应和机理。
In this paper, the electron rearrangement, group transfer isomerization reactions and mechanism in carbocationic isomerization polymerizations are reviewed in detail.
分子筛催化的烯烃裂解以及戊烯异构化是两个重要的石油化工过程。
The olefin cracking and the pentene isomerization over zeolites are two very important reactions in the petrochemical industry.
用密度泛函理论方法研究了过亚硝酸在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.
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。
The obtained results show the isomerization reaction first forms a four membered ring transition state and then the product is got.
同时介绍了其它优质汽油生产技术的烷基化、异构化、醚化工艺的最新进展。
Introduced the latest progress of other high quality gasoline production technology such as alkylation, isomerization, etherification.
在乙烯基降冰片烯异构化中，VNB转化率和ENB选择性均接近100%。
In the isomerization of vinyl norbornene, the conversion of VNB and selectivity of ENB are both almost 100%.
以不同原料研究了硫对重整催化剂芳构化、脱氢、异构化和加氢裂化活性的影响。
The effect of sulfur on aromatization, dehydrogenation, hydroisomerization and hydrocracking activities of the catalyst has been studied with different hydrocarbon feedstocks.
此方法及条件适合于优化轻质烷烃气固相异构化催化剂的制备及其酸性能的优化。
The method and condition are applicable to preparation of light paraffin gas-solid phase isomerization catalysts and optimization of their acidity.
用国产异构化酶在固定床中研究了D -葡萄糖与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.
综述了钌催化剂催化的主要几类有机合成反应，包括氢化、氧化、异构化、复分解。
Several kinds of ruthenium - catalyzed organic reactions were reviewed: hydrogenation, oxidation, isomerization, metathesis.
在以合成的分子筛为基质所制备的催化剂上进行了丁烷异构化和一步异构脱氢反应。
The catalytic performance of the synthesized molecular sieves, modified by Pd or Pt, for isomerization and dehydroisomerization of n butane was investigated.
原油蚀变后提高了甾烷异构化反应程度，某些样品远远超过异构化反应平衡终点值。
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.
树脂在酯化反应中生成的顺丁烯二酸酯的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.
研究了在固体超强碱催化下由乙烯降冰片烯异构化制取乙叉降冰片烯的工艺方法和条件。
The preparation method and technological conditions of ethylidennorbornene with the method of isomerization of vinylnorbornene are studied with the catalyst of solid super alkali.
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