2O. This article presents a brief introducation to the fundamental konwledge about the history of its discovery and its strucyure of combustible "ice"."/>
Abstract Combustible "ice", which is buried underneath the ocean and frozen soil of cold zone, is an exploitable energy. It is a gas or methane hydrate and its limiting formula is 8X·46H2O. This article presents a brief introducation to the fundamental konwledge about the history of its discovery and its strucyure of combustible "ice".