Clathrate hydrates, or gas hydrates, clathrates, hydrates, etc., are crystalline water-based solids physically resembling ice, in which small non-polar molecules (typically gases) or polar molecules with large hydrophobic moieties are trapped inside "cages" of hydrogen bonded, frozen water molecules. … See more Gas hydrates usually form two crystallographic cubic structures: structure (Type) I (named sI) and structure (Type) II (named sII) of space groups $${\displaystyle Pm{\overline {3}}n}$$ and The unit cell of … See more Iro et al., trying to interpret the nitrogen deficiency in comets, stated most of the conditions for hydrate formation in the protoplanetary nebulae, surrounding the pre-main and main sequence See more Empty clathrate hydrates are thermodynamically unstable (guest molecules are of paramount importance to stabilize these … See more • Clathrate • Star formation and evolution • Clathrate gun hypothesis See more Natural gas hydrates Naturally on Earth gas hydrates can be found on the seabed, in ocean sediments, in deep lake sediments (e.g. Lake Baikal), as well as in the See more Clathrate hydrate, which encaged CO2 as guest molecule is termed as CO2 hydrate. The term CO2 hydrates are more commonly used these days with its relevance in anthropogenic CO2 capture and sequestration. A nonstoichiometric compound, carbon … See more • Gao, Shuqiang; House, Waylon; Chapman, Walter (2005). "NMR/MRI Study of Clathrate Hydrate Mechanisms". J. Phys. Chem. B. 109 (41): 19090–19093. doi:10.1021/jp052071w. PMID 16853461. S2CID 18762205. • Sultan, N; Cochonat, P; Foucher, J.-P; … See more Webclathrate，英语单词，主要用作形容词、名词，作形容词时译为“窗格形的；网格状的”，作名词时译为“包合物；笼形物”。 clathrate_百度百科 百度首页
Clathrates - little known components of the global carbon cycle
Webclathrate destabilization – in effect initiating a runaway process as irreversible, once started, as the firing of a gun.[1] ... Specific structure of a gas hydrate piece, from the subduction zone off Oregon 3.1 Arctic Ocean 3.1.1 Continental slopes 4 Model simulations 5 In fiction 6 See also 7 References WebJun 18, 2010 · The present work investigates hydrate equilibrium conditions for tetra-n-butyl ammonium bromide (TBAB) + methane + water mixtures. The experiments are carried out in the TBAB mass fraction range of (0.05 to 0.45) and in the pressure range of (0.5 to 7.0) MPa. The experimental results show that the presence of TBAB decreases the formation … posio elinkeinojohtaja
Clathrate Hydrate - an overview ScienceDirect Topics
WebClathrate hydrates (or gas hydrates) are assemblies of chemical compounds consisting in general of natural gas (or other organic materials or gases such as hydrogen, hydrogen … WebSep 20, 2024 · Methane hydrates can be preserved at ambient pressure, beyond their region of thermodynamic stability, by storing them at temperatures from 240 to 270 K. The origin of this anomalous self-preservation is the formation of an ice coating that covers the clathrate particles and prevents further loss of gas. WebClathrate hydrates. Clathrate hydrates (or gas hydrates) are solid ice-like crystalline compounds of hydrogen bonded water molecules that form a rigid lattice of cages that host small guest gas molecules. They are stable only when the cages contain gas molecules. They are stable at moderate to high pressures and low temperatures ( Sloan, 1998 ... posio kaavoitus