Title	Application of Compound Chaotic Mapping in Voice Encryption Algorithm
Author	Ruishan Du.Yang Li
Citation	Vol. 14  No. 8  pp. 44-46
Keywords	Compound chaos, Speech coding, Pronunciation encryption, Key analysis

Title	Research of the Post Evaluation model for the Productivity Construction Project of Oilfield Based on the AHP
Author	Ruishan Du, Yang Li, Feng Tian, Hongtao Xie
Citation	Vol. 14  No. 10  pp. 1-4
Keywords	Productivity Construction, the Post Evaluation, AHP, Fuzzy Logic