1. Dr. J. H. Lee Chemical Engineering Program Graduate School of Advanced Science and Engineering Hiroshima University 1‐4‐1 Kagamiyama, Higashi‐Hiroshima Hiroshima 739‐8527 Japan
2. Dr. S. Fujii, Dr. R. Takahashi, Prof. K. Sakurai Department of Chemistry and Biochemistry University of Kitakyushu 1‐1 Hibikino Kitakyushu Fukuoka 808‐0135 Japan