1.The distillation system design of isomeric dichlorotoluene and its production process are given in detail in this paper.
详细讨了二氯甲异构体精馏塔系统的工设计与生产过。
2.In the presence of catalyst phosphoric acid,isomeric addition of bipentene with cis-butenedioic anhydride can form terpenyl bu tenedioic anhydride compound as expoxylite firming agent.