The Natural Science Foundation of Henan Province(092300410119,102300410093);the Natural Science Foundation of Henan University (2008YBZR010),the Postdoctoral Science Foundation of Henan University(BH2010003),Students Innovative Pilot Plan of Henan University (09NB005);the Foundation of Education Depart ment of Henan Province(2009A150003,2010B150006)