国家863计划2013AA122301;湖南省博士生优秀学位论文计划CX2014B050;中南大学研究生创新项目2015zzts067.The National High Technology Research & Development Program 863 Program of China,No.2013AA122301;the Outstanding PhD Thesis Foundation of Hunan,No.CX2014B050;the Outstanding PhD Thesis Foundation of CSU,No.2015zzts067.