Supported by the Humanities and Social Sciences Foundation for the Youth Scholars of Ministry of Education of China(12YJCZH217);the Natural Science Foundation of Anhui Province(1308085MA03);the Key NSF of Anhui Educational Committe(KJ2014A255);the Key Grant Project for Backup Academic Leaders of Tongling University(2014tlxyxs21)
supported by the Project supported by Program to Sponsor Teams for Innovation in the Construction of Talent Highlands in Guangxi Institutions of Higher Learning([2011]47);the National Nature Science Foundation of China(11061012,71271042);Guangxi Provincial Scientific Research Projects(201204LX157);the Fundamental Research Funds for the Central Universities(ZYGX2012J119)