Affiliation: | aResearch Institute of Innovative Technology for the Earth(RITE), 9-2, Kizugawadai, Kizu-cho, Soraku-gun, Kyoto 619-02, Japan;bGas Separation Engineering Section, Energy and Chemical Plant Group, Kobe Steel Limited, 6-14, 1-chome, Edobori, Nishi-ku, Osaka 550, Japan;cRITE and Havard School of Public Health, 665 Huntington Avenue, Boston, MA 02115, USA |