搜索结果: 31-42 共查到“矿床学与矿相学 High pressure”相关记录42条 . 查询时间(0.115 秒)
A new high-pressure silica phase obtained by molecular dynamics
high-pressure silica phase obtained molecular dynamics
2012/4/5
Amolecular dynamics study withanalytical and ab initio interatomic potentials revealed the possibility of a new silica phase withPnc2 structure, which is more stable than sti-shovite and its CaCl2-lik...
Volume behavior of hydrous minerals at high pressure and temperature: II. Compressibilities of lawsonite, zoisite, clinozoisite, and epidote
Volume behavior of hydrous minerals high pressure and temperature Compressibilities of lawsonite zoisite clinozoisite epidote
2012/4/5
The pressure dependence ofthe lattice parameters ofnatural zoisite [Ca2A13Si3012(OH)], clinozoisite [Ca2A13Si30'2(OH)], and epidote [Ca2A12FeSi3012(OH)] as wellas synthetic lawsonite [CaAl2Si207(OH)2'...
Volume behavior of hydrous minerals at high pressure and temperature: I. Thermal expansion of lawsonite, zoisite, clinozoisite, and diaspore
Volume behavior of hydrous minerals high pressure temperature lawsonite zoisite clinozoisite diaspore
2012/4/5
The temperature dependence of the lattice parameters of synthetic lawsonite [Ca-A12Si207 (OH)2 .H20], natural zoisite [Ca2A13 Si30'2(OH)], natural clinozoisite
[Ca2Al3Si3012(OH)], and synthetic diasp...
High-pressure crystal chemistry of LiScSiO4: An olivine with nearly isotropic compression
High-pressure crystal chemistry LiScSiO4 isotropic compression
2012/4/5
Single-crystalX-raydiffractiondatahavebeenobtained atseveralpressuresto 5.6GPa for synthetic LiScSi04olivine.Thebulkmodulusis 118:t I GPa,assuming K'=4.This
valueis smaller than that offorsterite bec...
Synthesis of high-pressure hydrous magnesium silicates: Observations and analysis
Synthesis of high-pressure hydrous magnesium silicates Observations analysis
2012/4/5
Specimens ofdense high-pressure hydrous magnesium silicates, notably phase A,phase B,and superhydrous phase B,have been synthesized for use in calorimetric and spectro-scopic experiments. X-ray diffra...
High-pressure X-ray diffraction study and equation of state of MgSiO3 ilmenite
High-pressure X-ray diffraction study equation of state of MgSiO3 ilmenite
2012/4/5
High-pressure X-ray powder diffraction data for MgSi03ilmenite have been collected up to 28 GPa using a diamond-anvil cell in an energy-dispersive configuration at the storage ring DCI at the LURE (Or...
Cooling Rate Dependency of the Formation of Smectite Crystals from a High-Pressure and High-Temperature Hydrous Melt
High pressure experiment Quenching rate Smectite crystals
2011/12/28
The effect of cooling rate on the formation of smectite crystals with high crystallinity was investigated using two different types of high-pressure and high-temperature apparatus, a modified belt typ...
Alteration of Smectite in a System Including Alanine at High Pressure and Temperature
Alanine Albite Ammonium-analcime Ammonium-mica Ammonium-montmorillonite Diagenesis High pressure X-ray diffraction
2011/12/27
Transformation of montmorillonite was experimentally investigated using a model system of montmorillonite-alanine at 100 MPa and up to 500°C. Sodium-montmorillonite changed to a mixed layer mineral of...
Hydration Behavior of Na-Smectite Crystals Synthesized at High Pressure and High Temperature
High-pressure experiment Hydration Relative humidity Smectite crystal
2011/12/1
Abstract: Hydration behavior of Na-smectite crystals synthesized at a pressure of 5.5 GPa and temperatures of 1400°–1500°C was examined by X-ray powder diffraction at various relative humidities (RH) ...
Thermal Stability of Halloysite by High-Pressure Differential Thermal Analysis
Dehydroxylation Halloysite High-pressure differential thermal analysis Morphology Phase relations Thermal stability
2012/1/4
Platy (Te Puke, New Zealand), cylindrical (Spruce Pine, North Carolina), and spherical (North Gardiner mine, Huron, Lawrence County, Indiana) halloysite samples were analyzed by high-pressure differen...
Optically Selective Adsorption of α-Amino Acids on Montmorillonite-Cu-l-Lysine Complexes in High-Pressure Liquid Chromatography
Adsorption Amino acid Cu-l-lysine High-pressure liquid chromatography Montmorillonite Optically active ligands
2012/1/11
Optically active cationic complexes adsorbed on montmorillonite can be used for the resolution of racemic mixtures. Montmorillonite-Cu-lysine systems were used as a solid phase in high-pressure liquid...
Adsorption of Dimethylanilines on Montmorillonite in High-Pressure Liquid Chromatography
Adsorption Bentonite Dimethylaniline Liquid chromatography Silica
2012/2/1
High-pressure liquid chromatography columns were packed with quasi-spherical particles of bentonite (SP-bentonite) which were prepared from a predominantly Na-bentonite powder by spray drying. The str...