Affiliation: | 1. Research Institute of Industrial Science, Kyushu University, Sakamoto, Kasuga-City. Fukuoka 812, Japan;1. Katsunori Komatsubara, Kei-ichiro Koba, Department of Production Administration, Mitsui-Kozan Coking Industry Co., Hibiki-1 Wakamatsu, Kitakyushu 808, Japan;2. Northern Carbon Research Laboratories, School of Chemistry, University of Newcastle upon Tyne, Newcastle upon Tyne NE1 7RU, UK |