<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>47</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Bagherzadeh, A.</style></author><author><style face="normal" font="default" size="100%">Englezos, Peter</style></author><author><style face="normal" font="default" size="100%">Alavi, S.</style></author><author><style face="normal" font="default" size="100%">Kumar, Rajnish</style></author><author><style face="normal" font="default" size="100%">Ripmeester, John A.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Molecular dynamics simulations of ch4 clathrate hydrate dissociation adjacent to hydrated silica surfaces</style></title><secondary-title><style face="normal" font="default" size="100%">7th International Conference on Gas Hydrates</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2011</style></year><pub-dates><date><style  face="normal" font="default" size="100%">JUL</style></date></pub-dates></dates><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">&lt;p&gt;We use molecular dynamics simulations to study the decomposition of structure I CH4 clathrate hydrate exposed to water. Simulations are performed for a hydrate + water system and two related cases with the hydrate adjacent to hydrate silica layers. The simulations are in the NVE adiabatic ensemble paying careful attention to the non-isothermal nature of the hydrate dissociation process. The effects of mass and energy transfer on the hydrate dissociation rate are studied. The effect of the silica surface on the dissociation rate and mechanism are studied. It is observed that the hydrate layer decomposes more quickly in simulations where it is in contact with silica. The implications on decomposition of the hydrate in hydrate reservoirs adjacent to sand sediments are discussed.&lt;/p&gt;</style></abstract></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Shin, Kyuchul</style></author><author><style face="normal" font="default" size="100%">Kumar, Rajnish</style></author><author><style face="normal" font="default" size="100%">Udachin, Konstantin A.</style></author><author><style face="normal" font="default" size="100%">Alavi, Saman</style></author><author><style face="normal" font="default" size="100%">Ripmeester, John A.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Ammonia clathrate hydrates as new solid phases for Titan, Enceladus, and other planetary systems</style></title><secondary-title><style face="normal" font="default" size="100%">Proceedings of the National Academy of Sciences of the United States of America</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">ethane</style></keyword><keyword><style  face="normal" font="default" size="100%">hydrate inhibitors</style></keyword><keyword><style  face="normal" font="default" size="100%">hydrogen bonding</style></keyword><keyword><style  face="normal" font="default" size="100%">ice</style></keyword><keyword><style  face="normal" font="default" size="100%">single crystal X-ray diffraction</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2012</style></year><pub-dates><date><style  face="normal" font="default" size="100%">SEP</style></date></pub-dates></dates><number><style face="normal" font="default" size="100%">37</style></number><publisher><style face="normal" font="default" size="100%">NATL ACAD SCIENCES</style></publisher><pub-location><style face="normal" font="default" size="100%">2101 CONSTITUTION AVE NW, WASHINGTON, DC 20418 USA</style></pub-location><volume><style face="normal" font="default" size="100%">109</style></volume><pages><style face="normal" font="default" size="100%">14785-14790</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">&lt;p&gt;There is interest in the role of ammonia on Saturn's moons Titan and Enceladus as the presence of water, methane, and ammonia under temperature and pressure conditions of the surface and interior make these moons rich environments for the study of phases formed by these materials. Ammonia is known to form solid hemi-, mono-, and dihydrate crystal phases under conditions consistent with the surface of Titan and Enceladus, but has also been assigned a role as water-ice antifreeze and methane hydrate inhibitor which is thought to contribute to the outgassing of methane clathrate hydrates into these moons' atmospheres. Here we show, through direct synthesis from solution and vapor deposition experiments under conditions consistent with extraterrestrial planetary atmospheres, that ammonia forms clathrate hydrates and participates synergistically in clathrate hydrate formation in the presence of methane gas at low temperatures. The binary structure II tetrahydrofuran + ammonia, structure I ammonia, and binary structure I ammonia + methane clathrate hydrate phases synthesized have been characterized by X-ray diffraction, molecular dynamics simulation, and Raman spectroscopy methods.&lt;/p&gt;</style></abstract><issue><style face="normal" font="default" size="100%">37</style></issue><custom3><style face="normal" font="default" size="100%">Foreign</style></custom3><custom4><style face="normal" font="default" size="100%">10.66</style></custom4></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Lu, Hailong</style></author><author><style face="normal" font="default" size="100%">Wang, Jianwei</style></author><author><style face="normal" font="default" size="100%">Liu, Changling</style></author><author><style face="normal" font="default" size="100%">Ratcliffe, Christopher I.</style></author><author><style face="normal" font="default" size="100%">Becker, Udo</style></author><author><style face="normal" font="default" size="100%">Kumar, Rajnish</style></author><author><style face="normal" font="default" size="100%">Ripmeester, John A.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Multiple H2 occupancy of cages of clathrate hydrate under mild condition</style></title><secondary-title><style face="normal" font="default" size="100%">Journal of the American Chemical Society</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2012</style></year><pub-dates><date><style  face="normal" font="default" size="100%">MAY</style></date></pub-dates></dates><volume><style face="normal" font="default" size="100%">134</style></volume><pages><style face="normal" font="default" size="100%">9160 - 9162</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">Experiments were carried out by reacting H(2) gas with N(2) hydrate at a temperature of 243 K and a pressure of 15 MPa. The characterizations of the reaction products indicated that multiple H(2) molecules can be loaded into both large and small cages of structure II clathrate hydrates. The realization of multiple H(2) occupancy of hydrate cages under moderate conditions not only brings new insights into hydrogen clathrates but also refreshes the perspective of clathrate hydrates as hydrogen storage media.</style></abstract><issue><style face="normal" font="default" size="100%">22</style></issue><custom3><style face="normal" font="default" size="100%">Foreign</style></custom3><custom4><style face="normal" font="default" size="100%">13.038</style></custom4></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Kumar, Rajnish</style></author><author><style face="normal" font="default" size="100%">Klug, Dennis D.</style></author><author><style face="normal" font="default" size="100%">Ratcliffe, Christopher I.</style></author><author><style face="normal" font="default" size="100%">Tulk, Christopher A.</style></author><author><style face="normal" font="default" size="100%">Ripmeester, John A.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Low-pressure synthesis and characterization of hydrogen-filled ice ic</style></title><secondary-title><style face="normal" font="default" size="100%">Angewandte Chemie-International Edition</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Clathrates</style></keyword><keyword><style  face="normal" font="default" size="100%">cubic ice</style></keyword><keyword><style  face="normal" font="default" size="100%">hydrates</style></keyword><keyword><style  face="normal" font="default" size="100%">Hydrogen</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2013</style></year><pub-dates><date><style  face="normal" font="default" size="100%">DEC</style></date></pub-dates></dates><number><style face="normal" font="default" size="100%">5</style></number><publisher><style face="normal" font="default" size="100%">WILEY-V C H VERLAG GMBH</style></publisher><pub-location><style face="normal" font="default" size="100%">BOSCHSTRASSE 12, D-69469 WEINHEIM, GERMANY</style></pub-location><volume><style face="normal" font="default" size="100%">52</style></volume><pages><style face="normal" font="default" size="100%">1531-1534</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><issue><style face="normal" font="default" size="100%">5</style></issue><custom3><style face="normal" font="default" size="100%">Foreign</style></custom3><custom4><style face="normal" font="default" size="100%">11.336
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