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| Preface |
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xiii | |
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1 An Introduction to Clathrate Hydrate Science |
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1 | (26) |
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1 | (3) |
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1.2 Selected Highlights of Clathrate Hydrate Science Research Up to the Present |
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4 | (6) |
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1.3 Clathrate Hydrate Research at the NRC Canada |
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10 | (11) |
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1.4 Contributors to NRC Clathrate Hydrate Research |
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21 | (2) |
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1.5 Review Articles and Books on Clathrate Hydrates |
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23 | (2) |
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1.6 Conference Proceedings |
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25 | (2) |
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1.6.1 Canadian Permafrost Conference |
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25 | (1) |
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1.6.2 Physics and Chemistry of Ice |
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25 | (1) |
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1.6.3 International Conference on Gas Hydrates (IGCH) Proceedings |
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26 | (1) |
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2 An Introduction to Clathrate Hydrates |
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27 | (38) |
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27 | (1) |
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2.2 The First Gas Hydrates |
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28 | (6) |
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34 | (4) |
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2.4 De Forcrand and Villard -- Career Gas Hydrate Researchers |
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38 | (10) |
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2.5 Nikitin and von Stackelberg |
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48 | (2) |
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2.6 Solving the Gas Hydrate Puzzle |
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50 | (4) |
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2.7 Clathrate Hydrate Science -- A New Era |
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54 | (1) |
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2.8 Clathrate Hydrates in Engineering |
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54 | (1) |
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2.9 Clathrate Hydrates in Nature |
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55 | (1) |
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2.10 Summary and Observations |
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56 | (9) |
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57 | (8) |
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3 Classification of Clathrate Hydrates |
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65 | (58) |
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65 | (1) |
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3.2 Hydrates as Clathrates |
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65 | (1) |
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3.3 Clathrate and Related Hydrates - Guest Chemistry |
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66 | (6) |
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3.4 The Canonical Clathrate Hydrates |
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72 | (13) |
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3.4.1 Polyhedra and Filling Three-Dimensional Space |
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73 | (2) |
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3.4.2 Filling the Polyhedra |
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75 | (10) |
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85 | (12) |
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85 | (5) |
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3.5.2 Double and Mixed Hydrates, Natural Gas Hydrates |
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90 | (7) |
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3.6 Tabulation of Hydrate Properties |
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97 | (1) |
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3.6.1 Simple Clathrate Hydrates |
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97 | (1) |
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3.6.2 CS-II (sII) Double Hydrates (Guests that Require a Help Gas for Stability) |
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98 | (1) |
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3.6.3 HS-III (sH) Hydrate Guests |
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98 | (1) |
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98 | (25) |
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98 | (25) |
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4 Synthesis of Clathrate Hydrates |
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123 | (18) |
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123 | (1) |
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4.2 General Considerations in the Synthesis of Clathrate Hydrates |
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123 | (2) |
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123 | (1) |
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124 | (1) |
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4.3 Synthesis of Hydrates with Water-Soluble Guests Near Ambient Conditions |
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125 | (1) |
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4.3.1 Hydrates with Congruent Melting Points |
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125 | (1) |
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4.3.2 Hydrates with Incongruent Melting Points |
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125 | (1) |
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4.4 Synthesis of Hydrates of Guests with Low Solubility in Water |
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126 | (2) |
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4.4.1 Low-Pressure Methods: Water--Liquid Guest and Water-Gaseous Guest Reactions |
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126 | (1) |
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4.4.2 Powdered Ice Reactions with Liquid or Gaseous Guests |
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127 | (1) |
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4.5 Synthesis of Clathrate Hydrates of Strongly Hydrated or Reactive Guests |
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128 | (1) |
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4.6 Pure Hydrates -- Kinetic and Thermodynamic Control |
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128 | (3) |
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4.7 High-Pressure Reactors |
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131 | (3) |
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131 | (1) |
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4.7.2 Stationary (Non-stirred) Reactors |
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131 | (1) |
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4.7.3 Other Setups for Hydrate Synthesis - Bubble Columns, Spray Reactors |
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131 | (3) |
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4.8 Synthesis of Single Crystals |
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134 | (3) |
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137 | (4) |
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138 | (3) |
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5 Structures of Canonical Clathrate Hydrates |
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141 | (48) |
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141 | (1) |
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5.2 The Canonical Clathrate Hydrates |
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141 | (27) |
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5.2.1 General Structural Properties |
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141 | (6) |
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5.2.2 Geometry of Unit Cells and Cages: CS-I, CS-II, and HS-III |
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147 | (1) |
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5.2.2.1 Structural Features CS-I, CS-II, and HS-III Clathrate Hydrates |
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147 | (4) |
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5.2.2.2 Correlation of Guest Size with Unit Cell Dimensions |
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151 | (1) |
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5.2.2.3 Flexible Guest Molecules Showing Conformational Isomerism |
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152 | (1) |
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5.2.2.4 Location of Guest Molecules in the Cages |
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153 | (5) |
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5.2.2.5 Effects of Hydrogen Bonding on Cage Structure and Guest-Water Interactions |
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158 | (2) |
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5.2.2.6 Halogen-Water Interactions in Clathrate Hydrates (Chlorine) |
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160 | (1) |
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161 | (3) |
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5.2.3 Geometry of Unit Cell and Cages: Tetragonal Bromine Hydrate (TS-I) |
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164 | (1) |
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5.2.4 Geometry of Unit Cell and Cages: Dimethyl Ether Hydrate (TrS-I) |
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165 | (1) |
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5.2.5 Geometry of Unit Cell and Cages: Xe Hydrate (HS-I) |
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166 | (2) |
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5.3 Some General Structural Considerations |
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168 | (21) |
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5.3.1 Tiling in Three-Dimensional Space -- Frank-Kasper and Weaire-Phelan Polyhedra |
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168 | (9) |
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177 | (1) |
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178 | (1) |
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5.3.3.1 Hydrate Structures as Layered Polytypes |
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178 | (3) |
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5.3.4 Materials with Structural Features in Common with Clathrate Hydrates |
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181 | (1) |
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182 | (7) |
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6 Structures of Noncanonical Clathrates and Related Hydrates |
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189 | (30) |
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189 | (1) |
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189 | (5) |
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6.3 Ionic Clathrate Hydrates |
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194 | (25) |
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194 | (1) |
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6.3.1.1 Salt Hydrates -- Cations as Large Cage Guests |
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194 | (5) |
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6.3.1.2 Salt Hydrates -- Cations as Large Cage Guests, Neutral Small Cage Guests |
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199 | (2) |
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6.3.1.3 Salt Hydrates -- Cations as Small-Cage Guests |
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201 | (1) |
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6.3.2 Hydrates of Strong Acids |
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202 | (2) |
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6.3.3 Hydrates of Strong Bases |
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204 | (5) |
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6.3.4 Ionic Clathrate Hydrates with Heterogeneous Frameworks |
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209 | (1) |
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6.3.5 Clathrates with H2O--NH4F Solid Solution Frameworks |
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209 | (2) |
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211 | (8) |
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7 Thermodynamics and Statistical Mechanics of Clathrate Hydrates |
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219 | (64) |
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219 | (1) |
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7.2 Clathrate Hydration Numbers and Cage Occupancies |
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219 | (12) |
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7.2.1 Direct Measurement of Hydration Numbers |
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220 | (8) |
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7.2.2 Thermodynamic Methods to Determine Guest Occupancy |
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228 | (1) |
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7.2.2.1 The Clapeyron and Clausius-Clapeyron Equations and the Use of Phase Equilibria |
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228 | (2) |
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7.2.2.2 The Miller-Strong Method and Effects of Solutes on Phase Equilibria |
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230 | (1) |
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7.2.2.3 Calorimetry and Other Instrumental Methods in Conjunction with Thermodynamic Methods |
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230 | (1) |
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7.3 Enthalpy of Dissociation of Hydrate Phases |
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231 | (1) |
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7.4 Statistical Mechanics of Clathrate Hydrates: The van der Waals-Platteeuw Solid Solution Model for Clathrate Hydrate Formation |
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232 | (5) |
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7.5 Application of the van der Waals-Platteeuw Theory to Determining Hydrate Equilibrium Composition |
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237 | (10) |
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7.5.1 Using van der Waals-Platteeuw Theory to Determine Cage Occupancies |
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237 | (2) |
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7.5.2 Instrumental Methods in Conjunction with the van der Waals-Platteeuw Theory to Determine Occupation Fractions |
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239 | (1) |
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240 | (3) |
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7.5.2.2 Raman Spectroscopy |
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243 | (1) |
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7.5.2.3 Diffraction Methods |
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243 | (3) |
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7.5.3 Some General Conclusions and Nonstoichiometry of Clathrate Hydrates |
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246 | (1) |
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7.6 Computational Predictions of Hydrate Dissociation Pressures Using the van der Waals--Platteeuw Theory |
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247 | (7) |
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7.7 Extensions of the van der Waals--Platteeuw Theory |
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254 | (4) |
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7.7.1 Multiple Cage Occupancies and Guest Mixtures |
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254 | (1) |
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7.7.2 Relaxing Some Position Restraints on Cage Water Molecules |
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255 | (1) |
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7.7.3 Relaxing the Constraint of Constant Volume on the Hydrate Phase |
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255 | (3) |
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7.7 A Validity of the Basic van der Waals--Platteeuw Theory |
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258 | (2) |
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7.8 Other Thermodynamic Topics |
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260 | (11) |
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7.8.1 Encagement Enthalpy |
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260 | (3) |
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7.8.2 Thermodynamic Inhibitors to Hydrate Formation |
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263 | (2) |
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7.8.3 Compositional Tuning in Clathrate Hydrates |
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265 | (1) |
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7.8.4 Transitions Between Binary CS-II and HS-III Binary Hydrates to Pure CS-I Hydrates for Small Guest Molecules |
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266 | (4) |
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7.8.5 A Lower Critical Decomposition Temperature |
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270 | (1) |
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271 | (12) |
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272 | (11) |
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| Preface |
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xv | |
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8 Molecular Simulations of Clathrate Hydrates |
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283 | (86) |
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283 | (1) |
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8.2 Molecular Simulations |
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284 | (11) |
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8.2.1 Classical Molecular Dynamics Simulations |
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284 | (3) |
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8.2.2 Monte Carlo Simulations of Clathrate Hydrates |
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287 | (1) |
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8.2.3 Ab Initio Molecular Dynamics Simulations |
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288 | (1) |
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8.2.4 Classical Interaction Potentials for Simulating Clathrate Hydrates |
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289 | (4) |
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8.2.5 Proton Arrangements in the Clathrate Hydrate Simulations |
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293 | (2) |
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8.3 Structural Characterization of Clathrate Hydrates with Simulations |
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295 | (13) |
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8.3.1 Radial Distribution Functions |
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296 | (2) |
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8.3.2 Lattice Constants and Three-Phase Equilibrium Lines |
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298 | (1) |
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8.3.3 Guest Distribution and Structure in Cages |
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299 | (3) |
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8.3.4 Order Parameters and Characterization of Clathrate Hydrate, Ice, and Water Phases |
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302 | (5) |
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8.3.5 Guest-Host Hydrogen Bonding in Clathrate Hydrate Cages |
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307 | (1) |
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8.4 Dynamic Characterizations of Guest Motion in Cages |
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308 | (3) |
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8.4.1 Velocity and Orientation Autocorrelation Functions |
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309 | (2) |
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8.5 Simulations of Clathrate Hydrates |
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311 | (23) |
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8.5.1 Mechanisms of Hydrate Decomposition, Nucleation, and Growth |
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312 | (19) |
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8.5.2 Enthalpy of Formation, Decomposition, and Encagement from Molecular Simulations |
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331 | (3) |
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8.6 Ab Initio Quantum Mechanical Calculations of Clathrate Hydrates |
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334 | (7) |
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8.6.1 Stationary Quantum States of Small Guests in Cages |
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335 | (5) |
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8.6.2 Ab Initio Molecular Dynamics |
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340 | (1) |
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8.7 Conclusions and Outlook |
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341 | (28) |
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342 | (27) |
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9 X-ray and Neutron Diffraction and Scattering of Clathrate Hydrates |
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369 | (48) |
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369 | (1) |
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9.2 Crystallography and X-ray Diffraction |
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370 | (5) |
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9.2.1 Comments on Diffraction as Applied to Hydrate Structure Determination |
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373 | (1) |
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9.2.1.1 Single-Crystal Diffraction |
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373 | (1) |
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9.2.1.2 Powder Diffraction |
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374 | (1) |
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375 | (4) |
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9.4 Structural Characterization with Diffraction Methods |
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379 | (11) |
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9.4.1 Diffraction and Structure-Guest Size Relationship |
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380 | (4) |
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9.4.2 Unconventional Applications of Diffraction |
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384 | (6) |
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9.5 Neutron Diffraction or Elastic Neutron Scattering |
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390 | (6) |
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9.6 Inelastic Neutron Scattering |
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396 | (4) |
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9.7 Inelastic X-ray Scattering |
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400 | (7) |
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407 | (10) |
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407 | (10) |
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10 Characterization of Clathrate Hydrates Using Nuclear Magnetic Resonance Spectroscopy |
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417 | (50) |
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417 | (1) |
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418 | (9) |
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10.2.1 The Zeeman Interaction |
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418 | (2) |
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10.2.2 Other Interactions |
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420 | (1) |
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10.2.2.1 The Shielding Interaction (σ) and Chemical Shift (δ) |
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420 | (3) |
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10.2.2.2 The Nuclear Dipole--Dipole Interaction |
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423 | (1) |
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10.2.2.3 The Spin--Spin J-Coupling Interaction |
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424 | (1) |
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10.2.2.4 The Quadrupolar Coupling Interaction |
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424 | (3) |
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10.2.2.5 The Spin--Rotation Coupling Interaction |
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427 | (1) |
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10.2.2.6 Interactions with Unpaired Electrons |
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427 | (1) |
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427 | (1) |
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10.3 Experimental Aspects of NMR Spectroscopy |
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427 | (3) |
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10.3.1 The Basic NMR Experiment |
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427 | (1) |
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10.3.2 Techniques for Enhancing Sensitivity and Resolution |
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428 | (1) |
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10.3.2.1 Dipolar Decoupling |
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428 | (1) |
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10.3.2.2 Magic Angle Spinning, MAS |
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429 | (1) |
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10.3.2.3 Cross-Polarization (CP) |
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430 | (1) |
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10.3.2.4 Hyperpolarization of 129Xe (HP Xe) |
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430 | (1) |
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10.4 The Development of NMR Techniques Over Time |
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430 | (2) |
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10.5 NMR Powder Line Shapes in Clathrate Hydrates |
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432 | (35) |
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10.5.1 Dipolar Line Shapes |
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432 | (1) |
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10.5.1.1 Magnetic Dilution |
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432 | (1) |
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10.5.1.2 Two-Spin Systems |
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432 | (1) |
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10.5.1.3 Three-Spin Systems |
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433 | (1) |
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10.5.1.4 Four-Spin Systems |
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434 | (1) |
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10.5.1.5 Six-Spin Systems |
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434 | (2) |
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10.5.1.6 Multi-Spin Systems |
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436 | (1) |
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10.5.1.7 Effects of Paramagnetic Oxygen on 1H Line Shapes |
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436 | (1) |
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10.5.2 Chemical Shift Line Shapes |
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437 | (1) |
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437 | (7) |
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10.5.2.2 Chemical Shift Line Shapes of Other Nuclei: 77Se, 31P, 19F, 13C |
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444 | (2) |
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10.5.3 Quadrupolar Line Shapes |
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446 | (1) |
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10.5.3.1 Spin 1: Deuterium 2H |
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446 | (4) |
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10.5.3.2 Half-Integer Quadrupolar Nuclei (131Xe, 83Kr, 33S, 170) |
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450 | (8) |
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458 | (9) |
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11 Specialized Methods of Nuclear Magnetic Resonance Spectroscopy and Magnetic Resonance Imaging Applied to Characterization of Clathrate Hydrates |
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467 | (1) |
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467 | (46) |
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11.2 13C MAS NMR in Compositional and Structural Analysis of Gas Hydrates |
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468 | (14) |
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11.2.1 Experimental Considerations |
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468 | (2) |
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11.2.2 Overview of 13C MAS NMR in Clathrate Hydrates |
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470 | (12) |
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11.2.3 Concluding Remarks and Outlook |
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482 | (1) |
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11.3 129Xe NMR Applications: Other Topics |
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482 | (4) |
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11.3.1 Transient/Metastable Phases |
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482 | (1) |
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11.3.2 Rapid Scanning of the Formation of CS-I Xe Hydrate from Ice with Hyperpolarized Xe |
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483 | (2) |
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11.3.3 Annealing of Co-deposits of Xe and H2O |
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485 | (1) |
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11.3.4 H2O-NH4F Solid Solution Frameworks |
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485 | (1) |
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486 | (3) |
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11.4.1 Hydrates of Alkylammonium Salts |
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486 | (1) |
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11.4.2 Hydrates of Strong Acids |
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487 | (1) |
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11.4.3 Hydrates of Strong Bases |
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487 | (2) |
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11.5 Clathrate Hydrates and Magnetic Resonance Imaging |
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489 | (24) |
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11.5.1 Information About Gas Hydrates Accessible by Magnetic Resonance Imaging |
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490 | (3) |
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11.5.2 Experimental Conditions and Equipment for MRI in Gas Hydrates |
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493 | (2) |
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11.5.3 Overview of Current MRI Applications in Gas Hydrate Research |
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495 | (7) |
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11.5.4 Concluding Remarks and Outlook |
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502 | (1) |
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503 | (10) |
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12 Reorientation and Diffusion in Clathrate Hydrates |
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513 | (56) |
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513 | (1) |
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12.2 Early Work on Clathrates/Inclusion Compounds |
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514 | (1) |
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515 | (10) |
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12.3.1 Dynamics and Timescales |
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515 | (1) |
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12.3.2 Dielectric Relaxation |
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516 | (3) |
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519 | (1) |
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12.3.3.1 Nuclear Dipolar Coupling |
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519 | (3) |
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12.3.3.2 Nuclear Quadrupolar Interactions |
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522 | (2) |
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12.3.3.3 Chemical Shift Line shapes |
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524 | (1) |
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12.4 Water Dynamics in Ice and Clathrate Hydrates |
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525 | (9) |
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12.4.1 Water Dynamics in Ice Ih |
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525 | (3) |
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12.4.2 Water Dynamics in Clathrate Hydrates |
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528 | (6) |
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534 | (23) |
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12.5.1 Guest Reorientation: General Considerations |
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534 | (2) |
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12.5.1.1 Reorientation of Spherical Top Guest Molecules |
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536 | (3) |
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12.5.1.2 Reorientation of Symmetric Top Guest Molecules |
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539 | (5) |
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12.5.1.3 Reorientation of Asymmetric Top Guest Molecules |
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544 | (6) |
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550 | (4) |
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12.5.3 Nonclassical Dynamics |
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554 | (1) |
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554 | (2) |
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12.5.3.2 Dynamics of Light Tetrahedral Molecules |
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556 | (1) |
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557 | (12) |
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559 | (10) |
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13 IR and Raman Spectroscopy of Clathrate Hydrates |
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569 | (62) |
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13.1 Fundamentals and Quantification |
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570 | (7) |
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13.2 IR Spectroscopy of Clathrate Hydrates |
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577 | (4) |
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13.2.1 Far IR Transmission - FT-IR on Vapor-Deposited Thin Films |
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577 | (1) |
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13.2.2 Recent Studies of Clathrate Hydrates Using IR Spectroscopy |
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578 | (3) |
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13.3 Raman Spectroscopy of Clathrate Hydrates |
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581 | (24) |
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13.3.1 Guest Molecule Information |
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582 | (1) |
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13.3.1.1 Detection of Encapsulation |
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582 | (3) |
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13.3.1.2 Quantification of Raman Peak Positions |
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585 | (3) |
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13.3.1.3 Quantification of Cage Occupancy |
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588 | (3) |
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13.3.1.4 Application of Raman Spectroscopy to Kinetic Processes |
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591 | (2) |
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13.3.1.5 Analysis of Natural Hydrate Samples |
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593 | (3) |
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13.3.2 Noncontact, Non-destructive Measurements of Gas Hydrates Via Visible Light |
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596 | (1) |
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13.3.2.1 Application of Raman Spectroscopy to Clathrate Hydrate Kinetic Studies |
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596 | (4) |
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13.3.2.2 Gas Hydrate Phases Obtained under High-Pressure Conditions |
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600 | (5) |
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13.3.2.3 In Situ Analysis of Natural Hydrate Sample Under Deep Sea Condition |
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605 | (1) |
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605 | (26) |
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614 | (17) |
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14 Kinetics of Clathrate Hydrate Processes |
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631 | (86) |
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631 | (1) |
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14.2 Experimental Measurement of Hydrate Process Rates |
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631 | (14) |
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14.2.1 Kinetics -- Gas Uptake Measurements |
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631 | (2) |
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14.2.2 Kinetics of CS-1 and CS-II hydrates |
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633 | (3) |
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14.2.3 Kinetics of HS-III Hydrates |
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636 | (1) |
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14.2.4 Kinetics Measurements -- Other Methods |
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637 | (4) |
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14.2.5 Average and Spatially Localized Kinetics |
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641 | (4) |
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14.3 Modeling the Kinetics of Hydrate Nucleation |
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645 | (15) |
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645 | (2) |
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14.3.2 Homogeneous Nucleation |
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647 | (5) |
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14.3.3 Heterogeneous Nucleation |
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652 | (3) |
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14.3.4 Validity and Relevance of Classical Nucleation Theory |
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655 | (5) |
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14.4 Hydrate Phase Transformations |
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660 | (18) |
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14.4.1 Hydrate Growth from Water |
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660 | (4) |
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14.4.2 Hydrate Growth from Ice |
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664 | (1) |
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14.4.2.1 The Shrinking Core Model |
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665 | (2) |
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14.4.2.2 The Avrami Equation |
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667 | (6) |
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14.4.3 Hydrate Crystal Morphology |
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673 | (3) |
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14.4.4 Hydrate Decomposition |
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676 | (2) |
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678 | (2) |
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680 | (10) |
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680 | (2) |
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14.6.2 Defect Generation in the Hydrogen-Bonded Ice and Hydrate Lattices |
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682 | (1) |
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14.6.3 Kinetic Hydrate Inhibitors |
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683 | (1) |
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14.6.3.1 Macroscopic Descriptions of Hydrate Inhibition |
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683 | (1) |
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14.6.3.2 Mechanism of Kinetic Inhibition |
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684 | (4) |
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14.6.3.3 Complexities of the Hydrate Inhibition Process |
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688 | (2) |
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14.7 Molecular Simulations of Clathrate Hydrate Nucleation and Growth |
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|
690 | (7) |
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14.7.1 Simulations of Heterogeneous Nucleation |
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691 | (1) |
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14.7.2 Molecular Simulations of Homogeneous Nucleation |
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692 | (3) |
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14.7.3 Simulations of Hydrate Growth |
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695 | (1) |
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14.7.4 Simulations of Hydrate Growth and Decomposition in the Presence of Inhibitors |
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696 | (1) |
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697 | (20) |
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698 | (19) |
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15 Mechanical and Thermal Transport Properties of Clathrate Hydrates |
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717 | (32) |
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717 | (1) |
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15.2 Theoretical Background |
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718 | (3) |
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718 | (2) |
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15.2.2 Thermal Conductivity |
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720 | (1) |
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15.3 Mechanical Properties: Acoustic Velocity and Elastic Constants |
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721 | (9) |
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730 | (4) |
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15.5 Transport Properties: Thermal Conductivity |
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734 | (5) |
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15.6 Molecular Dynamics Simulations of Thermal Properties of Clathrate Hydrates |
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739 | (3) |
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742 | (7) |
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743 | (6) |
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16 Applications of Clathrate (Gas) Hydrates |
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749 | (34) |
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749 | (1) |
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16.2 Flow Assurance in Oil and Gas Pipelines |
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750 | (5) |
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16.2.1 Large-Scale Flow Loops |
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753 | (1) |
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16.2.2 Catastrophic Hydrate Formation and Pipeline Plug Potential |
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754 | (1) |
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16.2.3 Oil and Gas Pipelines with Hydrophobic Surfaces |
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754 | (1) |
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16.3 Natural Gas Energy Recovery from the Earth's Hydrates |
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755 | (3) |
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16.3.1 Extraction of Natural Gas by Injection of CO2 or CO2/N2 Flue Gas |
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757 | (1) |
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758 | (1) |
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16.5 Concentration of Wastewater and Aqueous Organic Solutions |
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|
759 | (1) |
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16.6 Storage and Transportation of Natural Gas, Hydrogen, and Other Materials |
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760 | (5) |
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16.6.1 Natural Gas Storage |
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760 | (2) |
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762 | (3) |
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765 | (7) |
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766 | (1) |
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16.7.2 Separation of CO2 from Flue Gas Mixtures (Post-Combustion Capture) |
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767 | (1) |
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768 | (1) |
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16.7.3 Separation of CO2 from Fuel Gas Mixtures (Pre-Combustion Capture) |
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768 | (3) |
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16.7.4 Other Gas Separations |
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|
771 | (1) |
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772 | (11) |
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|
772 | (11) |
| Index |
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783 | |