国家自然科学基金U1510118;教育部高等学校博士学科点专项科研基金20131402110002;山西省科技攻关项目2015031011-3 Supported by National Natural Science Foundation of ChinaU1510118;Specialized Research Fund for the Doctoral Program of Higher Education of China20131402110002;Science and Technology Project of Shanxi Province2015031011-3