Supported by National Key Basic Research Program of China(2013CB834202);National Natural Science Foundation of China(11171317,11501429);Fundamental Research Funds for the Central Universities(JB150706)
Supported by NSFC(No.10801105;No.30871444);the Key Project of Natural Science of Anhui Provincial Department of Education(No.KJ2009A44);the Doctoral Special Fund of Hefei University of Technology(No.GDBJ2010-012)