supported by National Nature Science Foundation of China(11501008);Nature Science Foundation of Anhui Province(1508085QA12);Nature Science Foundation of Anhui Educational Committee(KJ2014A085)
supported by the National Natural Science Foundation of China(10901003);the Natural Science Foundation of Anhui Province(KJ2013B288);the Students Innovation Training Project of Anhui Province(AH201410379079)
supported by the National Natural Science Foundation of China(10901003);the Natural Science Foundation of Education Department of Anhui Province(KJ2012ZD01);the Philosophy and Social Science Planning Foundation of Anhui Province(AHSK11-12D128);the Anhui Provincial Natural Science Foundation (10040606Q30)