1. IHS chemical Week, nylon engineering resins. [cited 2016 Jan]. Available from: http://chemweek.com
2. China Petrochemical Corporation, Research Institute of Petroleum Processing, Sinopec, assignees;Lin,2002
3. Sun B, Wu W, Wang E, Li Y, Zhang S, Hu L, China Petroleum & Chemical Corporation, Research Institute of Petroleum Processing, Sinopec, assignees. Process for regenerating titanium-containing catalysts. 2008 Jun 10 United States patent US 7384882
4. China Petroleum & Chemical Corporation, Research Institute of Petroleum Processing, Sinopec, assignees;Wu,2008
5. A method of cyclohexanone oxime’s gas phase rearrangement to caprolactam;Cheng,2003