搜索结果: 1-15 共查到“地质学 electron”相关记录118条 . 查询时间(0.337 秒)
Improvements in replica techniques have made possible the high magnification study of textural characteristics and surface features of clay aggregrates found either in nature or in the laboratory. The...
Transmission Electron Microscopy Study of Conversion of Smectite to Illite in Mudstones of the Nankai trough: Contrast with Coeval Bentonites
Bentonites Diagenesis Illite Marine Sediments Mixed-Layered I-S Nankai Trough Shales
2011/12/2
Abstract: Clay minerals in shales from cores at Site 808, Nankai Trough, have been studied using X-ray diffraction (XRD), scanning transmission electron microscopy (STEM), and analytical electron micr...
High-Resolution Transmission Electron Microscopy Study of Newly Formed Sediments in the Atlantis II Deep, Red Sea
Atlantis II Deep Feroxyhyte Ferrihydrite Goethite Hematite HRTEM Iron-Rich 2:1 Phyllosilicates
2011/12/5
Abstract: Iron and silicon in various proportions are the major components of the newly formed hydrothermal sediments in the Atlantis II Deep, Red Sea. Iron-rich 2:1 phyllosilicates with morphologies ...
Pedogenic Smectites in Podzols from Central Finland: An Analytical Electron Microscopy Study
Analytical Electron Microscopy Finland High-Resolution Transmission Electron Microscopy Podzols Smectites
2011/12/6
Abstract: Transmission electron microscopy (TEM) including high-resolution transmission electron microscopy (HRTEM) and analytical electron microscopy (AEM) were used to study the fine clay fraction (...
Transmission Electron Microscopy of Synthetic 2- and 6-Line Ferrihydrite
Ferrihydrite High-Resolution Transmission Electron Microscopy (HRTEM) Nanodiffraction Selected-Area Electron Diffraction (SAED)
2011/12/2
Abstract: High-resolution transmission electron microscopy (HRTEM), selected-area electron diffraction (SAED), annular dark-field scanning transmission electron microscope (STEM) images, and electron ...
Transmission Electron Microscopy Study of Illitization in Pelites from the Iberian Range, Spain: Layer-by-Layer Replacement?
Analytical Electron Microscopy I-S Illite Illitization Process Polytypism Prograde Diagenesis Scanning Electron Microscopy Transmission Electron Microscopy
2011/12/6
Abstract: A sequence of interstratified illite-smectite (I-S) and illite in Paleozoic pelites and metapelites from the Iberian Range, Spain, was studied by X-ray diffraction (XRD), scanning electron m...
Electron Microscopy Study of Volcanic Tuff Alteration to Illite-Smectite under Hydrothermal Conditions
Hydrothermal Alteration Illite-Smectite SEM-EDS TEM-AEM Volcanic Tuff
2011/12/6
Abstract: Experimental alteration of volcanic tuff from Almer韆, southeastern Spain, was performed in solutions with different Na/K ratios (0.01, 1, 10, and 100), different total salt concentrations (0...
Transmission Electron Microscopy Study of Very Low-Grade Metamorphic Rocks in Cambrian Sandstones and Shales, Ossa-Morena Zone, Southwest Spain
AEM Anchizone Chloritic Phases Clastic Rocks Mica Polytypes Variscan Belt
2011/12/5
Abstract: This study examines the evolution of the texture, structure, and chemical composition of rocks derived from clastic materials of the Ossa-Morena Zone (Hesperian Massif, Spain). Previous stud...
Mixed Layering of Illite-Smectite: Results from High-Resolution Transmission Electron Microscopy and Lattice-Energy Calculations
HRTEM-AEM Illite-Smectite Lattice-Energy Calculations Mixed Layering Polar 2:1 Layers
2011/12/6
Abstract: Mixed layering of illite-smectite was studied both experimentally, by using high-resolution transmission electron microscopy (HRTEM) and analytical electron microscopy (AEM), and theoretical...
Direct Imaging of Zirconia Pillars in Montmorillonite by Analytical Electron Microscopy
Clays Electron Energy-Loss Spectroscopy Elemental Mapping Energy-Filtered Imaging Image Analysis Materials Characterization
2011/12/7
Abstract: Analytical electron microscopy was used to confirm the location of pillars of zirconia in pillared montmorillonite. Data show that the pillared clay is of “high” quality, with surface areas ...
Structural Fe3+ in Natural Kaolinites: New Insights from Electron Paramagnetic Resonance Spectra Fitting at X and Q-Band Frequencies
Dickite Disorder EPR Fe3+ Kaolinite
2011/12/7
Abstract: Structural Fe3+ in kaolinites and dickites covering a broad range of disorder was investigated using electron paramagnetic resonance (EPR) spectroscopy at both the X and Q-band frequencies. ...
The surface structure of a-Fe2O3 (001) by scanning tunneling microscopy: Implications for interfacial electron transfer reactions
surface structure scanning tunneling microscopy interfacial electron transfer reactions
2012/3/31
STM images of hematite (?-Fe O ) (001) surfaces taken under a wider variety of conditions than in
previous studies are presented. The results strongly suggest that only Fe sites contribute to the tun...
Peristerite exsolution in metamorphic plagioclase from the Lepontine Alps: An analytical and transmission electron microscope study
analytical transmission electron microscope study Lepontine Alps
2012/3/31
Transmissionandanalyticalelectronmicroscopywereusedtoexaminerelationships
betweenmicrostructuresandcompositionsingreenschist-andamphibolite-faciesmeta-
morphicplagioclase(albiteandoligoclase)fromthe...
Surface Layer Types of Kaolinite: A High-Resolution Transmission Electron Microscope Study
2:1 Layer Clays HRTEM Kaolinite Pyrophyllite Smectite Surface Layer
2011/12/6
Abstract: High-resolution transmission electron microscopy (HRTEM) examinations have indicated that three types of surface layers may exist in natural kaolinite crystals. Type 1 has the expected 7-侌 s...
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...