Supported by Anhui Provincial Natural Science Foundation(1408085QF134);Natural Science Foundation of the Anhui Higher Education Institutions(KJ2015A252);Initial Research Fund from Chuzhou University(2014qd022)
Supported by National Natural Science Foundation of China(61074013);New Century Excellent Talents in University(NCET-10-0328);Specialized Research Fund for the Doctoral Program of Higher Education of China(20090092110022)