1·The synthetic conditions of 2-pentylidene cyclopentenone using PTC were stud-ied, and the conditions of isomerization were also studied.
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。
2·Several kinds of ruthenium - catalyzed organic reactions were reviewed: hydrogenation, oxidation, isomerization, metathesis.
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。
3·The cracking and skeletal isomerization became more strong with the rise of reaction temperature, while oligomerization, cyclization and hydrogen transfer reaction became weaker.
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。
4·The olefin cracking and the pentene isomerization over zeolites are two very important reactions in the petrochemical industry.
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。
5·PdPM was used as a hydrocracking catalyst, which exhibited high activity of hydrocracking, strong aromatic saturation and good isomerization performances at lower temperature.
结果表明，钯层柱粘土是一种低温下裂化活性高、芳烃饱和性能强、异构化性能好的加氢催化剂。