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.
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.
实验结果表明，三氯化铝催化鱼藤酮异构化的方法可行，反应条件温和。
The process for preparation of isorotenone from rotenone by catalyst AlCl3 is feasible, and the reaction condition was mild.
正碳离子是重要的有机化学反应中间产物，而氢原子移位则是正碳离子异构化的主要反应途径。
Carbon cations are important organic reaction intermediates, and hydrogen shift is a key path through which carbon cations isomerizes.
对C_5烯烃骨架异构化反应原理、催化剂的研究进展，以及异构化的工艺现状作了探讨和综述。
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.
结果表明，温度对氢化反应的异构化影响较大，氢气压力和催化剂浓度对异构化的影响相对较小。
The research showed that temperature affected the isomerism most, then the pressure of hydrogen and the concentrations of catalyst.
对正庚烷异构化的热力学、动力学、催化剂及反应的主要影响因素进行了分析，提出了结合反应器技术来研究正庚烷异构化的方法。
On the topic, some papers have been published in recent years. Here a brief introduction about the thermodynamics, kinetics, and catalysts of n heptane h…
晶体中的异构化反应。
网络日益复杂和异构化，迫切需要高可靠、跨平台的网络管理系统保证网络稳定、高效率运行。
With the complication and isomerization of networks, a high reliable and astride platform networks management system awfully needed to guarantee it work stably and high efficiently.
在重整操作中，一个轻质烃类进料与一个合适的催化剂接触而异构化得到具有高辛烷值的汽油。
In the reforming operation a light hydrocarbon feed isomerizes on contact with a suitable catalyst to produce gasoline with a higher octane number.
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.
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.
顺乌头酸酶2 (ACO2)在三羧酸循环第二步骤中催化从柠檬酸经顺乌头酸生成异柠檬酸的异构化(1,2)。
Aconitase 2 (ACO2) catalyzes the conversion of citrate to isocitrate via cis-aconitate in the second step of the tricarboxylic acid (TCA) cycle (1, 2).
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.
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.
介绍共轭亚油酸(CLA)异构化技术的研究进展，评述异构CLA的碱性催化法、金属催化法和生物酶异构法。
The progress of isomerization technology of conjugated linoleic acid (CLA) was introduced. The methods of alkaline catalysis, metal catalysis and bio-enzymes isomerization were discussed respectively.
骨架异构化反应是一个快速反应，低反应温度下减少反应时间会增强催化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.
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.
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.
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.
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.
强酸位是对二乙苯和乙苯裂化的活性中心，而对歧化和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.
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.
焦炭对催化剂酸中心的覆盖能抑制骨架异构化反应，但其影响幅度小于对裂化反应的影响。
The suppression of skeletal isomerization caused by coke deposition on the active sites of catalyst is in a lesser extent than that of cracking.
研究了它们在烯烃双键异构化反应中的催化作用，优化了这两种催化剂在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.
随着反应温度的提高，裂化反应和骨架异构化反应增强，但齐聚反应、氢转移反应和环化反应减弱。
The cracking and skeletal isomerization became more strong with the rise of reaction temperature, while oligomerization, cyclization and hydrogen transfer reaction became weaker.
采用量子化学MNDO法，计算了氟代甲酰胺和N—氟代甲酰胺的1，2—氢迁移异构化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.
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.
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.
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.
应用推荐