[1] [1] Dresselhaus M S, Thomas I L. Nature, 2001, 414: 332.

[2] [2] Schlabach L, Züttel, A. Nature, 2001, 414: 353.

[5] [5] Annemieke W C, Berg V D, Arean C O. Chem. Commun., 2008, 68(6): 668.

[6] [6] Sloan E D. Clathrate Hydrates of Natural Gases. 2nd ed. Marcel Dekker: New York, 1998. 9.

[7] [7] Mao W L, Mao H K, Goncharov A F, et al. Science, 2002, 297(5590): 2247.

[8] [8] Lokshin K A, Zhao Y, He D, et al. Physical Review Letter, 2004, 93: 125503.

[9] [9] Strobel T A, Sloan E D, Koh C A. Journal of Chemical Physics, 2009, 130(1): 10.

[10] [10] Florusse L J, Peters C J, Schoonman J, et al. Science, 2004, 306(5695): 469.

[11] [11] Lee H, Lee J, Kim D Y, et al. Nature, 2005, 434: 743.

[12] [12] Strobel T A, Taylor C J, Hester K C, et al. Journal of Physical Chemistry B, 2006, 110(34): 17121.

[13] [13] Talyzin A. International Journal of Hydrogen Energy, 2008, 33: 111.

[17] [17] Liu Changling, Lu Hailong, Ye Yuguang. Chinese Journal of Chemical Physics, 2009, 22(4): 353.

[18] [18] Panella B, Hirscher M. Phys. Chem. Chem. Phys., 2008, 10: 2910.