搜索结果: 1-15 共查到“smectite”相关记录181条 . 查询时间(0.14 秒)
中国地质大学科学技术发展院黄柳琴，蒋宏忱*等，BGEG国家重点实验室，Environmental Science & Technology (2021)，Molecular determination of organic adsorption sites on smectite during Fe-redox processes using ToF-SIMS analysis（图）
环境科学；二次；离子；质谱；蒙脱石；结构
2021/10/14
近日，环境科学领域Nature Index期刊 《Environmental Science & Technology》刊发中国地质大学生物地质与环境地质国家重点实验室黄柳琴老师为第一作者、蒋宏忱教授为第一通讯作者的学术论文——利用飞行时间-二次离子质谱对蒙脱石结构铁氧化还原过程中有机质吸附位点的分子鉴定 ，美国西北太平洋国家实验室朱梓华研究员为共同通讯作者。
Synchrotron based Transmission x-ray microscopy reveals smectite fine structure in an aqueous environment
Synchrotron Transmission x-ray microscopy reveals smectite fine structure aqueous environment
2012/3/30
The unusual behaviour of smectites, the ability to change volume when wetted (swelling) or dried (shrinking), make soil containing smectites very unstable and hazardous for the building industry due t...
Water mobility in smectite
Water mobility smectite
2012/3/30
The hydrogen in smectite can be broadly separated into five major types according to the association with (i) structural hydroxyl groups, (ii) interlayer water bonded directly to the interlayer cation...
The development of the later stages of the Murray Basin and the development of the smectite (bentonite) clays
development later stages Murray Basin development smectite (bentonite) clays
2012/3/30
This talk will be in two sections – the first part will discuss the development of the Murray Basin from the start of the final marine incursion (Loxton/Parilla Sand) until the present and will discus...
Equilibrium desorption isotherms of water, ethanol, ethyl acetate, and toluene on a sodium smectite clay
Clay Dynamic vapour sorption Ethanol Ethyl acetate Knudsen thermogravimetry Smectite Sorption isotherm Toluene Water
2011/11/10
Abstract Desorption isotherms for water, ethanol, ethyl acetate and toluene from a sodium smectite clay have been determined by both dynamic vapor sorption (DVS) measurements and Knudsen thermogravim...
The Genesis of Smectite and Palygorskite on Harran Plain's Soil Series
Genesis of Smectite Palygorskite Harran Plain's Soil Series
2009/1/16
This investigation was conducted for the determination of the sources of palygorskite and smectite minerals found widely in large proportions in soil series on Harran Plain. Various methods were used ...
Isolation and Characterization of a Smectite as a Micro-Mesoporous Material from a Bentonite
Bentonite mineralogy porosity purification smectite suspension
2010/4/21
A procedure was assessed for obtaining an optimum amount of a micro-mesoporous material known as smectite from Reşadiye (Tokat/Turkey) bentonite. The procedure, which will permit a better economi...
Comparison of Evolution of Trioctahedral Chlorite/Berthierine/Smectite in Coeval Metabasites and Metapelites from Diagenetic to Epizonal Grades
AEM Berthierine Bukk Mountains Chlorite Low-grade Metamorphism Reaction Progress Smectite TEM XRD
2011/12/5
Abstract: The evolution of texture, structure and chemical composition of chloritic clays in coeval pairs of metabasites and metapelites of a prograde sequence from the Bükk Mountains has been investi...
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...
Three-Dimensional Crystal Structures of Illite-Smectite Minerals in Paleozoic K-Bentonites from the Appalachian Basin
Bentonite Cis-Vacant Octahedra Crystal Structure Illite-Smectite Polytype Rotational Disorder X-ray Diffraction
2011/12/2
Abstract: The three-dimensional crystal structures of illite-smectite (I-S) in K-bentonite samples from the Appalachian Basin are characterized by rotational disorder in the stacking sequence of 2:1 i...
Reaction Mechanisms of Smectite Illitization Associated with Hydrothermal Alteration from Ponza Island, Italy
Atomic Force Microscopy Chemical Analysis Illite Polytype Smectite XRD
2011/12/6
Abstract: A hydrothermally altered rhyolitic hyaloclastite from Ponza island, Italy, has four alteration zones with unique clay assemblages: (1) a non-pervasive argillic zone characterized by smectite...
Smectite Diagenesis in Neogene Marine Sandstone and Mudstone of the Niigata Basin, Japan
Authigenic Chlorite Diagenesis Illitization Mixed-Layer Illite-Smectite Pore Fluid Smectite Smectite-Illite Transformation
2011/12/2
Abstract: Illitization of smectite during progressive burial diagenesis occurs differently in sandstone and mudstone, which are interbedded in the sedimentary sequence of the Niigata basin. Reaction p...
Evolution of Fundamental-Particle Size during Illitization of Smectite and Implications for Reaction Mechanism
Crystal Growth Fundamental Particle Illite-Smectite Illitization Mechanism Lognormal Distribution Ostwald Ripening
2011/12/6
Abstract: Area-weighted thickness distributions of fundamental illite particles for samples of illite and illite-smectite from seven locations (including bentonites and hydrothermally altered pyroclas...
Stepwise Hydration of High-Quality Synthetic Smectite with Various Cations
Crystalline Swelling Hydration Interlayer Cation Smectite
2011/12/6
Abstract: Smectites synthesized from experiments at 5.5 GPa and 1500癈 are of high quality, crystals are large at >10 祄, and the 2:1 layers may have a homogeneous charge distribution. Smectite was exch...
Mg-Rich Smectite “Precursor” Phase in the Tagus Basin, Spain
Precursor Clay Smectite Stevensite Tagus Basin (Spain) Incipient Crystallization
2011/12/6
Abstract: The pink clays from the Tagus basin, Spain, were characterized by X-ray difraction (XRD), infrared spectroscopy (IR), scanning electron microscopy (SEM), and transmission electron microscopy...