1. Department of Chemical and Biomolecular Engineering (BK21 program), Korea Advanced Institute of Science and Technology (KAIST), 335 Gwahangno, Yuseong-gu, Daejeon 305-701, Republic of Korea, Center for Hydrate Research, Chemical Engineering Department, Colorado School of Mines, Golden, Colorado 80401, National Geophysical Research Institute, Hyderabad 500007, India, and Division of Chemical Engineering, Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama, Toyonaka, Osaka 560-8531,...