Key Project of Coal-based Scientific and Technology in Shanxi ProvinceFT201402-05;State Key Program of National Natural Science Foundation of China61233006;Scientific and Technological Project in Shanxi ProvinceNo.20130311010-1.山西省煤基重点科技攻关项目FT201402-05;国家自然科学基金重点项目661233006;山西省科技攻关项目20130311010-1