School of Chemical Engineering and Technology, China University of Mining & Technology, Xuzhou, Jiangsu 221008, China;
School of Chemical Engineering and Technology, China University of Mining & Technology, Xuzhou, Jiangsu 221008, China;
School of Chemical Engineering and Technology, China University of Mining & Technology, Xuzhou, Jiangsu 221008, China;
School of Chemical Engineering and Technology, China University of Mining & Technology, Xuzhou, Jiangsu 221008, China;
School of Chemical Engineering and Technology, China University of Mining & Technology, Xuzhou, Jiangsu 221008, China;
School of Chemical Engineering and Technology, China University of Mining & Technology, Xuzhou, Jiangsu 221008, China;
coal; fusain; extraction; fractional sample; CS2; GC/MS;