搜索结果: 1-15 共查到“地质学 Conversion”相关记录21条 . 查询时间(0.066 秒)
Closed-system programmed-temperature pyrolysis on n-octadecane: Implications for the conversion of oil to gas
n-octadecane pyrolysis experiment gaseous hydrocarbon stable carbon isotope kinetic
2017/8/10
The aim of this work is to determine the molecular and stable carbon isotope compositions of pyrolysates from normal octadecane and, then, to study methane generation kinetic and carbon isotope fracti...
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...
Inhibition of Sintering by Si During the Conversion of Si-Rich Ferrihydrite to Hematite
BET Ferrihydrite Si Sintering XPS
2011/12/2
Abstract: The distribution and chemical state of Si in a synthetic 2-line ferrihydrite with a Si/(Si + Fe) molar ratio of 0.11 was studied. Heat treatment under oxidizing conditions shows that Si-rich...
HRTEM evidence for the process and mechanism of saponite-to-chlorite conversion through corrensite
chlorite-smectite saponite-to-chlorite conversion corrensite
2012/3/31
To elucidate the process and mechanism of the prograde conversion of saponite to chlorite through
corrensite, the microstructures of a series of chlorite-smectite (C-S) mixed-layer samples from Kamik...
Hydrothermal Conversion of Trachytic Glass to Zeolite. 3. Monocationic Model Glasses
Analcime Chabazite Glass-to-Zeolite Conversion Phillipsite Synthesis Trachytic Glasses Zeolite Synthesis
2011/12/7
Abstract: Experiments on zeolitization were conducted on four synthetic monocationic glasses (Na, K, Ca, or Mg-rich glass) with Si/Al molar ratios of 2.67, similar in acidity to many volcanic glasses ...
Transformation Mechanisms and Interstratification in Conversion of Smectite to Kaolinite: An HRTEM Study
HRTEM Interstratification Kaolinite Smectite Transformation Mechanisms
2011/12/8
Abstract: The transformation of smectite into kaolinite and kaolinite-smectite interstratification were studied in samples belonging to the Argiles Plastiques formation of the Paris basin, by high-res...
Conversion of Ferruginous Allophanes to Ferruginous Beidellites at 95 癈 Under Alkaline Conditions with Alternating Oxidation and Reduction
Allophane Beidellite Infrared Spectra Nontronite Vertisols X-ray Diffraction (XRD)
2011/12/22
Abstract: Ferruginous beidellites with Al:Fe atomic ratios up to 2.36 were obtained when solutions containing Al, Fe2+ and H4SiO4 were adjusted to pH 8.5 with Ca(OH)2 and incubated at 95 癈 in the pres...
Corrensite: A single phase or a mixed-layer phyllosilicate in the saponite-to-chlorite conversion series? A case study of Sancerre-Couy deep drill hole
Corrensite single phase mixed-layer phyllosilicate saponite-to-chlorite conversion series case study Sancerre-Couy hole
2012/4/1
Transmission electron microscopy (TEM) , analytical electron microscopy (AEM), and
decomposition-simulation of X-ray diffraction (XRD) patterns were used to characterize
trioctahedral clay from Sanc...
Particle Morphological Evolution During the Conversion of I/S to Illite in Lower Cretaceous Shales from Sergipe-Alagoas Basin, Brazil
Illite Illite/smectite Morphology Shale TEM XRD
2011/12/1
Abstract: The illitic end of mixed-layer illite-smectite series (I/S) in shales from Lower Cretaceous Barra de Itiúba Formation, Sergipe-Alagoas basin, was examined with X-ray powder diffraction (XRD)...
Low-Charge to High-Charge Beidellite Conversion in a Vertisol from South Italy
Beidellite Smectites Vertisol
2011/12/28
The fine silt (2? 祄) coarse clay (0.1? 祄) and fine clay (<0.1 祄) fractions of a Vertisol from South Italy were studied with X-ray diffraction. The most reactive fine clay (<0.1 祄) fraction was investi...
An Experimentally Derived Kinetic Model for Smectite-to-Illite Conversion and Its Use as a Geothermometer
Geothermometry Illite Kinetics Smectite Smectite/illite
2011/12/29
The smectite-to-illite conversion during shale diagenesis has recently been used to constrain the estimate of a basin's thermal history. We have systematically investigated the kinetics for the conver...
Smectite-to-Illite Conversion in a Geothermally and Lithologically Complex Permian Sedimentary Sequence
Burial diagenesis Contact metamorphism Lithology Paleotemperature Vitrinite reflectance
2011/12/1
The <0.5-祄 fraction of 120 samples from a lithologically complex Permian sedimentary sequence, underlying dolerite intrusive sheets, has been characterized by means of X-ray diffraction to establish I...
Naturally-Occurring Silicates as Carriers for Copper Catalysts Used in Methanol Conversion
Bentonite Copper catalysts Methanol dehydrogenation Sepiolite
2011/12/30
Bentonite- and sepiolite-supported copper catalysts have been prepared either by adsorption of Cu(II) from aqueous solutions of copper nitrate at pH …4.5 or by adsorption ofa [Cu(NH3)4]2+ complex from...
Chemiographic Analysis of Trioctahedral Smectite-to-Chlorite Conversion Series from the Ohyu Caldera, Japan
Chlorite/smectite mixed layer Corrensite Ohyu caldera Smectite-to-chlorite conversion
2012/1/4
The chemical compositions of chlorite-smectite mixed-layered minerals (C/S) from the Ohyu caldera (Inoue, 1985) are analyzed using M+-4Si-3R2+ diagrams. The assumed original saponite has the following...
Chemical and Morphological Evidence for the Conversion of Smectite to Illite
Diagenesis Expandable layers Illite K-fixation Smectite X-ray powder diffraction
2012/1/10
The continuous conversion of smectite to illite in samples from the Shinzan hydrothermal alteration area of Japan has been examined by X-ray powder diffraction (XRD) and transmission (TEM) and analyti...