1. Research Center
for Compact Chemical System, National Institute of Advanced Industrial Science and Technology (AIST), 4-2-1, Nigatake, Miyagino, Sendai 983-8551, Japan
2. Akita Prefectural University, 84-4 Tsuchiya-ebinokuchi, Yurihonjo, Akita
015-0055, Japan
3. Akita Industrial Technology Center, 4-11 Sanuki Araya, Akita 010-1623,
Japan