搜索结果: 76-90 共查到“凹凸棒石 Properties”相关记录204条 . 查询时间(0.702 秒)
Colloid Chemical Control of Kaolinite Properties Related to Ceramic Processing
Acid-Base Interfacial Interactions Ceramic Processing Electroconductivity Interparticle Interactions Kaolinite Optimal Structures
2011/12/2
Abstract: Experimental data on structure formation in highly concentrated aqueous dispersions of kaolinite were analyzed using rheological models. The physicochemical properties of the clay mineral su...
Properties of Water in Calcium- and Hexadecyltrimethylammonium-Exchanged Bentonite
Bentonite Diffusion HDTMA Neutron Scattering Water
2011/12/2
Abstract: Dynamical and thermodynamic properties of water at room temperature in Ca- and hexadecyltrimethylammonium- (HDTMA) exchanged bentonite were determined for 4 different water contents (∼...
Mineral-Content and Particle-Size Effects on the Colloidal Properties of Concentrated Lateritic Suspensions
Concentrated Suspensions Heterocoagulation Interfacial Mobility Lateritic Suspensions Mineral Content of Suspensions Rheology Yield Stress
2011/12/7
Abstract: The rheological behavior of concentrated lateritic suspensions from Cuba is affected by mineral composition and particle size. Electrophoretic mobility and yield stress were considered. The ...
New insights into organic-mineral particles: composition, properties and models of molecular structure
Analytical pyrolysis Computational chemistry Molecular modelling Soil organic-mineral particles Xenobiotic complexes
2011/11/8
Organic-mineral soil particles are formed and altered as a result of pedogenic processes and anthropogenic impacts on soils. They can be isolated from
bulk soil samples by physical disaggregation fol...
Preparation and Properties of Hematite with Structural Phosphorus
α-Fe2O3 Hematite Color Crystal Chemistry Dissolution IR Spectra Structural P Structure
2011/12/7
Abstract: Synthetic hematites prepared in the presence of phosphate can incorporate phosphorus (P) in forms other than phosphate adsorbed by ligand-exchange on the crystal surface. To investigate the ...
Properties of As and S at NiAs, NiS, and Fe1-xS surfaces, and reactivity of niccolite in air and water
NiAs NiS reactivity of niccolite air and water X-ray photoelectron spectroscopic
2012/3/31
Niccolite (NiAs), NiS (high temperature form), and pyrrhotite (Fe S) are structurally related,
with sulfur and arsenic sixfold coordinated. Their fracture or cleavage necessarily produces sur-
hybri...
Laplacian and bond critical point properties of the electron density distributions of sulfide bonds: A comparison with oxide bonds
oxide bonds electron density distributions sulfide bonds VSCCs
2012/3/31
Topologicalandbondcriticalpointpropertiesofelectrondensitydistributions,(r),were
calculatedforaseriesofsul?demolecules,containing?rst-andsecond-rowmaingroup
2(r),showthatthevalenceshellcharge
M-cat...
Physico-Chemical Characterization and Catalytic Properties of Copper-Doped Alumina-Pillared Montmorillonites
Alumina Copper Copper Catalyst Montmorillonite Phenol Hydroxylation Pillared Clay
2011/12/2
Abstract: Cu-doped alumina-pillared montmorillonite samples have been prepared and characterized with X-ray diffraction (XRD), Brunauer-Emmett-Teller (BET), electron spin resonance (ESR) and inductive...
Evaluation of Gas Transport Properties of Backfill Materials for Waste Disposal: H2 Migration Experiments in Compacted Fo-Ca Clay
Density Fo-Ca Clay Gas Critical and Breakthrough Pressures Gas Preferential Pathways H2 Migration Water Saturation Degree
2011/12/8
Abstracts: Swelling clays may play a major role in the underground disposal of high-level nuclear waste (HLW) in deep geological formations. A multibarrier concept including a waste container, a steel...
The influence of iron substitution on the magnetic properties of hausmannite, Mn2+(Fe,Mn)3+2O4
iron substitution magnetic properties hausmannite Mn2+(Fe,Mn)3+2O4
2012/3/31
The occurrence of hausmannite with an apparent Curie temperature close to 750 K, instead of 41.8 K was recently described from hydrothermally altered manganese ore from the Kalahari manganese field, S...
Stirring Effects on Properties of Al Goethite Formed from Ferrihydrite
Al Goethite Crystallinity Hematite Stirring Unit Cell Parameters
2011/12/8
Abstract: Minerals in surface environments form in both turbulent and non-turbulent systems. This study compares the properties of Al goethite formed from ferrihydrite at 60 °C in 0.3 M KOH with and w...
An experimental study of kaolinite and dickite relative stability at 150-300 ∑C and the thermodynamic properties of dickite
kaolinite dickite relative stability thermodynamic properties dickite
2012/3/31
The Gibbs free energy (DG ) of the reaction kaolinite ￡dickite was generated from 0(1) solubility measurements of natural kaolinite and dickite performed in acid solutions at temperatures ranging from...
Heat capacity and thermodynamic properties for coesite and jadeite, reexamination of the quartz-coesite equilibrium boundary
Heat capacity thermodynamic properties quartz-coesite equilibrium boundary
2012/3/31
The heat capacities of synthetic coesite and jadeite were measured between about 15 and 850 K by adiabatic and differential scanning calorimetry. The experimental data were smoothed and estimates were...
Effects of Mg-Fe2+ substitution in calcite-structure carbonates: Thermoelastic properties
Mg-Fe2+ substitution calcite-structure carbonates Thermoelastic properties
2012/3/31
In situ X-ray diffraction has been carried out on two siderite samples of different Fe contents simultaneously at high pressure and high temperature in a DIA-type, large-volume apparatus. Unit-cell vo...
Thermoelastic properties of MgSiO3 perovskite as the Debye approach
Thermoelastic properties MgSiO3 perovskite
2012/3/30
MgSiO 3 perovskite is shown to be a Debye-like mineral by the determination of specific heat, CV, entropy, S, and thermal pressure, D P Th, using the Debye theory up to 1800 K.Sound velocities and bul...