[1] Lab Marine Mineral Resources, Pilot Natl Lab Marine Sci & Technol, Qingdao 266071, Peoples R China
[2] Qingdao Inst Marine Geol, Minist Nat Resources, Key Lab Gas Hydrate, Qingdao 266071, Peoples R China
[3] China Univ Geosci, Fac Engn, Wuhan 430074, Peoples R China
[4] Univ Calgary, Dept Chem, Calgary, AB T2N1N4, Canada