Supported by National Natural Science Foundation of China(11371052;11271267;10971144;11101020);NSCFBJ(1102015);the Fundamental Research Funds for the Central Universities(2011B019;3142013104);North China Institute of Science And Technology Key Discipline Items of Basic Construction(HKXJZD201402)
Supported by National Natural Science Foundation of China(10201022,10971144);the Natural Science Foundation of Beijing City(1102015);the Fundamental Research Funds for the Central Universities(2011B019)