1. National Institute of Materials and Chemical Research, Higashi 1-1, Tsukuba City, Ibaraki 305-8565, Japan; Dipartimento di Chimica Universita, Campus Universitacio, Università di Bari, 70126 Bari, Italy; Air Products and Chemicals, 7201 Hamilton Boulevard, P.O. Box 538, Allentown, Pennsylvania 18195-1501; Department of Chemical Engineering, University of Delaware, Colburn Laboratory, Academy Street, Newark, Delaware 19716-3110; Chemical and Petroleum Engineering, University of Pittsburgh, 1249 Benedum...