[3] Burke E A J. Lithos, 2001, 55: 139.

[9] Sum A K, Burruss R C, Sloan E D. J. Phys. Chem. B, 1997, 101: 7371.

[10] Subramanian S, Sloan E D. Fluid Phase Equilibria, 1999, 158: 813.

[11] UchidaT, Takeya S, Kamata Y, et al. J. Phys. Chem., 2002, 106: 12426.

[12] Chazallon B, Focsa C, Charlou J L, et al. Chemical Geology, 2007, 244: 175.

[13] Sloan E D. Clathrate Hydrates of Natural Gases, 2nd Ed. New York: Marcel Dekker, 1998. 9.

[14] Kvenvolden K A. Proc. Natl. Acad. Sci. of the United State of America, 1999, 96: 3420.

[15] Collett T S. AAPG Bull., 2002, 86: 1971.

[16] Uchida T, Hirano T, Ebinuma T, et al. AICHE J., 1999, 45: 2641.

[17] Shicks J M, Ripmeester J A. Angew. Chem. Int. Ed., 2004, 43: 3310.

[18] UchidaT, Moriwaki M, Takeya S, et al. AICHE Journal, 2004, 50(2): 518.

[19] Ripmeester J A, Ratcliffe C I. J. Phys. Chem., 1988, 92: 337.

[20] Lu H, Moudrakovski I, Riedel M, et al. J. Geophys. Res., 2005, 110: B10204.

[21] Hester K C, Dunk R M, White S N, et al. Geochimica et Cosmochimica Acta, 2007, 71: 2947.

[22] Lu H, Seo Y T, Lee J W, et al. Nature, 2007, 445(18): 303.