Gas Hydrate Occurrence and Characterization Gas hydrates are naturally occurring crystalline substances composed of water and gas, in which a solid water-lattice holds gas molecules in a cage-like structure.
(crystalline substances; composed; of water and gas) (a solid water-lattice; holds; gas molecules; L:in a cage-like structure; L:water and gas)
crystalline substances a solid water-lattice
composed holds
of water and gas
gas molecules L:in a cage-like structure L:water and gas