重庆市科委前沿与应用基础研究一般项目cstc2014jcyjA90022;重庆科技学院科研基金CK2016B14联合资助.Supported by Research Project of Frontier and Application Fundamental Science of the Chongqing Science & Technology Commissioncstc2014jcyjA90022;Research Fund of Chongqing University of Science & TechnologyCK2016B14