1. Department of Thermal Energy and Power Engineering, Vehicle and Energy College, Yanshan University, 438 West Hebei Avenue, Qinghuangdao, Hebei 066004, China, Nissei Chemical Engineering Co. Ltd., 24-13 Aramaki, Aza-kitanaganuma, Wakabayashi-ku, Sendai 984, Japan, and Center for Interdisciplinary Research, Tohoku University, 2-2-1 Aramaki, Aoba-ku, Sendai 980-77, Japan