Affiliation: | 1. College of Mathematics and Physics, Chongqing University of Posts and Telecommunications, Chongqing 400065, PR China;2. Key Laboratory of Network Control & Intelligent Instrument, Chongqing University of Posts and Telecommunications, Ministry of Education, Chongqing 400065, PR China;3. College of Applied Sciences, Beijing University of Technology, Beijing 100124, PR China;4. Sinopec Research Institute of Petroleum Engineering, Beijing 100101, PR China |