搜索结果: 91-105 共查到“凹凸棒石 Properties”相关记录204条 . 查询时间(0.17 秒)
Calibration of excess thermodynamic properties and elastic constant variations due to the α ↔ β phase transition in quartz
Calibration thermodynamic properties
2012/3/30
Spontaneous strains for the a ↔b transition in quartz were determined from lattice parameter data collected by X-ray powder diffraction and neutron powder diffraction over the temperature range ...
Surface Charge Properties of Kaolinite
Dissolution Kaolinite Point of Zero Charge Potentiometric Titration Proton Surface Charge Structural Charge Surface Charge Surface Chemistry
2011/12/1
Abstract: The surface charge components of 2 Georgia kaolinites of differing degrees of crystallinity (KGa-1 and KGa-2) were determined using procedures based on charge balance concepts. Permanent str...
Topological and Thermal Properties of Surfactant-Modified Clinoptilolite Studied by Tapping-ModeTM Atomic Force Microscopy and High-Resolution
Hexadecyltrimethylammonium Muscovite Mica Surface Imaging Thermal Analysis Zeolite
2011/12/1
Abstract: Unmodified and surfactant-modified clinoptilolite-rich tuff (referred to here as 揷linoptilolite? and muscovite mica were examined with tapping-mode atomic force microscopy (TMAFM) and high-r...
Properties and Catalytic Activity of Acid-Modified Montmorillonite and Vermiculite
Acidity Benzene Catalyst Characterization Hydrocarbons Isopropylation Methanol Dehydration Montmorillonite Vermiculite
2011/12/23
Abstract: The acidic properties of acid-modified montmorillonite and vermiculite were determined by pyridine and ammonia adsorption to correlate with the alkylating and dehydrating activity of the act...
Lattice-dynamical evaluation of thermodynamic properties and atomic displacement parameters for beryl using a transferable empirical force field
Lattice-dynamical thermodynamic properties atomic displacement parameters beryl transferable empirical force field
2012/4/6
Usingempiricalpotentialsderivedfrom?ttingthevibrationalfrequenciesofagroupofsilicatesandoxides,andcrystallographicinformation,aBorn-vonKarmanrigid-ionlattice-
dynamicalmodelhasbeenappliedtothewholeBr...
Effect of Interaction Between Clay Particles and Fe3+ Ions on Colloidal Properties of Kaolinite Suspensions
Colloid Electron Microscopy Flocculation Iron Kaolinite Sedimentation Zeta Potential
2011/12/22
Abstract: Fine kaolinite suspensions were mixed with unaged or aged FeCl3 in this experiment. The interaction between clay particles and Fe3+ hydrolysis products was studied by transmission electron m...
Application of Inverse Gas Chromatography to the Study of the Surface Properties of Slates
Inverse Gas Chromatography Slate Surface
2011/12/22
Abstract: Inverse gas chromatography (IGC) at zero surface coverage was used for determining the surface characteristics of a slate sample. Previously this sample had been characterized by means of X-...
Mn3Al2Si3O12 spessartine and Ca3Al2Si3O12 grossular garnet: Structural dynamic and thermodynamic properties
Mn3Al2Si3O12 spessartine Ca3Al2Si3O12 garnet Structural dynamic thermodynamic properties
2012/4/5
ThestructuresofsyntheticMn Al Si O spessartineandCa Al Si O grossulargarnethavebeenre?nedusingsingle-crystalX-raydiffractionmethodsat100K,293K,and
500-550K.ThedivalentX-sitecations,locatedinlargedode...
Molar volumes of mixing of almandine-pyrope and almandine-spessartine garnets and the crystal chemistry and thermodynamic-mixing properties of the aluminosilicate garnets
Molar volumes almandine-pyrope almandine-spessartine garnets crystal chemistry thermodynamic-mixing properties aluminosilicate garnets
2012/4/5
Thealuminosilicategarnetbinariesalmandine-pyropeandalmandine-spessartinewerestudiedbypowderX-rayandFeMo!§ssbauermethods.Re?nementsoftheunit-cellcon
stantsalongthealmandine-pyropejoinshowthatthevolume...
Elastic properties of orthorhombic MgSiO3 perovskite at lower mantle pressures
Elastic properties orthorhombic MgSiO3 perovskite lower mantle pressures
2012/4/5
ThefullelasticconstanttensoroforthorhombicMgSiO perovskitehasbeendetermined
from?rstprinciplesforthe?rsttimeathighpressureusingtheplane-wavepseudopotential
method.Theathermalelasticmoduli,determined...
Properties of Goethite and Jarosite Precipitated from Acidic Groundwater, Dalarna, Sweden
Acid Mine Drainage Goethite Groundwater Jarosite Mossbauer Spectroscopy X-ray Diffractometry
2011/12/9
Abstract: This study characterizes various chemical and mineralogical properties of goethite and jarosite from a mine drainage environment using chemical extraction techniques, X-ray diffractometry (X...
Suritehasbeenreportedtobeamineralthatintercalatescerussite-likematerialsinasmectiteinterlayer.However,thechemicalanalysisandinfraredabsorptionspectraindicate
thattheinterlayermaterialhasthecompositio...
A statistical model of thermodynamic mixing properties of Ca-Mg-Fe2+ garnets
statistical model thermodynamic mixing properties Ca-Mg-Fe2+ garnets
2012/4/1
At present the most widely used models of thermodynamic mixing properties of garnet
are those that are optimized to fit the experimental phase-equilibrium data along various
binary garnet joins usin...
Interaction between exsolution microstructures and magnetic properties of the magnetite-spinel solid solution
Interaction exsolution microstructures magnetic properties magnetite-spinel solid solution
2012/4/1
Magnetic properties of exsolved samples of the (Fe304t(MgAlz04),_x solid solution weremeasured over the temperature range 4-923 K and were correlated with microstructuresobserved by transmission elect...
Preparation, Structural Characteristics and Catalytic Properties of Large-Pore Rare Earth Element (Ce, La)/Al-Pillared Smectites
Al13 Bentonite Hydroconversion Hydrocracking Laponite Montmorillonite Pillared Clays REE Saponite
2011/12/27
Ce/Al- and La/Al-pillared smectites were prepared by cation exchange of bentonite, saponite and laponite with hydrothermally treated (130–160 °C for 16–136 h) solutions containing mixtures of aluminum...