搜索结果: 16-30 共查到“地质学 x-ray diffraction”相关记录63条 . 查询时间(0.085 秒)
Application of an Internal Standard Technique by Transmission X-ray Diffraction to Assess Layer Charge of a Montmorillonite by Using the Alkylammonium Method
Alkylammonium Method Interlayer Cation Exchange Capacity Layer-Charge Determination Montmorillonite Silver Behenate XRD
2011/12/6
Abstract: Transmission X-ray diffraction (XRD) of C6–16 alkylammonium ion-exchanged montmorillonite SAz-1 with Ag-behenate as an internal standard provided accurate estimates of d(001) values of the a...
High-pressure X-ray diffraction study on the structure of NaCl melt using synchrotron radiation
NaCl high-pressure X-ray synchrotron radiation
2012/3/30
MoltenNaClwasanalyzedbyhigh-pressureX-raydiffractionexperimentsusingsyn-
chrotronradiationupto5GPaand1600Calongthemeltingcurve.Theinterference
function Qi(Q)andthecorrelationfunction g(r)werederived...
Measurement of Fundamental Illite Particle Thicknesses by X-ray Diffraction Using PVP-10 Intercalation
Bertaut Fundamental Illite Particles Illite Illite-Smectite Mixed-Layering Peak Broadening Polyvinylpyrrolidone Warren-Averbach X-ray Diffraction
2011/12/2
Abstract: The thicknesses of fundamental illite particles that compose mixed-layer illite-smectite (I-S) crystals can be measured by X-ray diffraction (XRD) peak broadening techniques (Bertaut-Warren-...
The Transformation of Illite to Muscovite in Pelitic Rocks: Constraints from X-ray Diffraction
Decomposition Diagenesis Illite Metamorphism
2011/12/2
Abstract: The boundary between diagenesis and metamorphism most likely involves the change of illite into mica. Observations of this change can be made using decomposed X-ray diffraction (XRD) spectra...
Late-Stage Diagenesis of Illitic Clay Minerals as Seen by Decomposition of X-ray Diffraction Patterns: Contrasted Behaviors of Sedimentary Basins with Different Burial Histories
Clay Minerals Decomposition Diagenesis Illite Illite-Smectite Mixed Layering X-ray Powder Diffraction
2011/12/2
Abstract: The smectite-to-illite diagenetic transformation has been documented in 5 different sedimentary basins using X-ray diffraction (XRD). Intermediate reaction products coexisting because of the...
X-Ray Diffraction Intensity Ratios I(111)/I(3?1) of Natural Heulandites and Clinoptilolites
Clinoptilolite Heulandite Natural Zeolites Turkey X-Ray Diffraction
2011/12/9
Abstract: Heulandite-group zeolites are abundant in the Miocene pyroclastics from Western Anatolia, Turkey. We investigated the relation between the I(111)/I(3?1) intensity ratios measured by X-ray di...
High-pressure single-crystal X-ray diffraction and infrared spectroscopic studies of the C2/m-P21/m phase transition in cummingtonite
High-pressure single-crystal X-ray diffraction spectroscopic studies C2/m-P21/m phase transition cummingtonite
2012/3/31
The structural changes associated with the C 2/ m - P 21/ m phase transition in cumming-tonite with (Fe 1 Mn)/(Fe1 Mn1 Mg) ┆ 0.50 have been studied with single-crystal X-ray diffraction at various pre...
Structure of monoclinic Na-rich birnessite and hexagonal birnessite: I. Results from X-ray diffraction and selected-area electron diffraction
Structure monoclinic Na-rich birnessite hexagonal birnessite X-ray diffraction selected-area electron diffraction
2012/4/6
Onthebasisoftheseexperimentalobervations,structuralmodelsforNaBiandHBiareproposed.NaBiconsistsofalmostvacancy-freeMnoctahedrallayers.Thedeparturefrom
thehexagonalsymmetryoflayersiscausedbytheJahn-Tel...
Third-generation synchrotron x-ray diffraction of 6-mm crystal of raite, 'Na3Mn3Ti0.25Si8O20(OH)2z10H2O, opens up new chemistry and physics of low-temperature minerals
Third-generation synchrotron x-ray diffraction low-temperature minerals chemistry and physics
2011/11/11
The crystal structure of raite was solved and refined from data collected at Beamline Insertion Device 13 at the European Synchrotron Radiation Facility, using a 3 3 3 3 65 mm single crystal. The refi...
Anti-phase boundaries and phase transitions in titanite: An X-ray diffraction study
Anti-phase boundaries phase transitions titanite X-ray diffraction study
2012/4/5
X-raydiffractionrockingcurvesoftitanite,CaTiSiO ,weremeasuredusinganovelhigh-resolutiondiffractometer.ThreeBraggre?ectionswererecordedasafunctionoftemperatureandtheirpro?lesanalyzedintermsofaGaussianB...
Decomposition of Experimental X-ray Diffraction Patterns (Profile Fitting): A Convenient Way to Study Clay Minerals
Clay Minerals Decomposition Mixed Layering Simulation X-ray Powder Diffraction
2011/12/9
Abstract: This paper thoroughly describes the decomposition procedure, using the example of DECOMPXR (Lanson 1990). The steps of the decomposition procedure are: 1) preliminary data processing; 2) dec...
The pressure behavior of clinozoisite and zoisite: An X-ray diffraction study
The pressure behavior clinozoisite zoisite X-ray diffraction study
2012/4/1
Structural refinements of clinozoisite performed at 0.5, 19.4, and 42 kbar, and also under
ambient conditions, showed that the compression mechanism included both shrinking of
he polyhedra (i.e., oc...
Determination of the content and distribution of fixed ammonium in illite-smectite by X-ray diffraction: Application to North Sea illite-smectite
Determination content distribution fixed ammonium illite-smectite X-ray diffraction Application North Sea illite-smectite
2012/4/1
A new X-ray diffraction method for the determination of the amount and distribution
of fixed NHt in illite-smectite has been developed. Illite-smectite was saturated with K+
and heated at ISO !aC Th...
Illite Polytype Quantification using WILDFIRE?Calculated X-Ray Diffraction Patterns
Cis-vacant Illite Polytypes Quantification Trans-vacant X-ray Diffraction
2011/12/27
Illite polytype quantification allows the differentiation of diagenetic and detrital illite components. In Paleozoic shales from the Illinois Basin, we observe 3 polytypes: 1Md, 1M and 2M1. 1Md and 1M...
X-Ray Diffraction Analysis of Thin Clay Films from Dilute Suspensions using Glancing Incidence Diffraction
GID Thin Films XRD
2011/12/27
X-ray diffraction (XRD) analysis of small quantities of clay mounted on glass slides using conventional Bragg-Brentano geometry generally produces unsatisfactory low-intensity reflections masked by am...