搜索结果: 1-15 共查到“凹凸棒石 Crystallization”相关记录21条 . 查询时间(0.082 秒)
Illite authigenesis - new constrains on fundamental clay crystallization processes using the NANOKIN code
Illite authigenesis new constrains fundamental clay crystallization processes the NANOKIN code
2012/3/30
Illite clay formation occurs widely in sedimentary basins. Illite is formed mainly in low-temperature environments where mineral reactions are governed by kinetics rather than equilibrium thermodynami...
Nucleating Effect and Dynamic Crystallization of a Poly(propylene)/Attapulgite System
DSC dynamic crystallization mineral filler nucleation polypropylene
2011/11/10
In this work, the influence of attapulgite concentration on the nucleating efficiency of isotactic polypropylene (iPP) and on the kinetics of non-isothermal crystallization were ascertained.The study ...
The Dependence of Localized Crystallization of Halloysite and Kaolinite on Primary Minerals in the Weathering Profile of Granite
Biotite Granite Halloysite Kaolinite Weathering
2011/12/5
Abstract: The formation of kaolin-group minerals in the weathering profile of granite, under the humid, temperate climate as found in Korea, was studied by X-ray diffraction (XRD), scanning electron m...
N.L. Bowen and Crystallization - Differentiation: The Evolution of a Theory
N.L. Bowen Crystallization - Differentiation Evolution Theory
2012/4/1
This book traces in detail the developments in igneous pe-
trology of the theory of crystallization-differentiation as es-
poused by N.L. Bowen, whose overarching genius generated a
revolution in t...
Interaction of Synthetic Sulphate “Green Rust” with Phosphate and the Crystallization of Vivianite
Anion Exchange Fe(II)FeIII-hydroxides Green Rust Layered Hydroxides Phosphate Vivianite
2011/12/7
Abstract: Because layered Fe(II)Fe(III)-hydroxides (Green rusts, GRs) are anion exchangers, they represent potential orthophosphate sorbents in anoxic soils and sediments. To evaluate this possibility...
Effect of Phosphate on the Crystallization of Hematite, Goethite, and Lepidocrocite from Ferrihydrite
Crystallization Ferrihydrite Goethite Hematite Lepidocrocite Phosphate
2011/12/7
Abstract: We investigated the crystallization of ferrihydrite prepared by hydrolysis of Fe(NO3)3 solutions containing phosphate. Crystallization was studied at different pH (3–9), temperatures (298, 3...
Hydrothermal Crystallization of Ammonium-Saponite at 200C and Autogenous Water Pressure
Cation Exchange Capacity Saponite Synthesis X-ray Diffraction X-ray Fluorescence
2011/12/1
Abstract: The effects of reaction time (2 to 72 h) and NH4+/Al3+ molar ratio (1.6, 2.4 and 3.2) on the hydrothermal synthesis of ammonium-saponites are investigated. The gels are obtained by mixing po...
Sinoite (Si2N2O): Crystallization from EL chondrite impact melts
Sinoite Si2N2O Crystallization EL impact melts
2012/4/6
Sinoite(Si N O)waspreviouslyobservedonlyinEL6chondritesandrecentlymodeled
ashavingformedovergeologictimescalesatmetamorphictemperaturesof950C.I
foundseveral10¤C21m-sizedsubhedralandeuhedralgrainsoft...
Effect of Time and Temperature on the Chemical Composition and Crystallization of Mixed Iron and Aluminum Species
Aluminum Crystallization Gibbsite Iron
2011/12/1
Abstract: We studied the influence of time ageing (up to 120 d at 50°C or 30d at 95°C) on the mineralogical and chemical composition of hydrolytic species of mixed aluminum and iron samples formed at ...
The Use of Color to Quantify the Effects of pH and Temperature on the Crystallization Kinetics of Goethite Under Highly Alkaline Conditions
Color Colorimetry Crystallization Goethite Hematite Kinetics L*a*b* color space
2011/12/28
The crystallization kinetics of goethite were studied colorimetrically under highly alkaline conditions (pH 10.1–12.2) at temperatures from 40° to 85°C. Color changes during crystallization from fresh...
Smectite-Illite Transition in Barbados Accretionary Wedge Sediments: TEM and AEM Evidence for Dissolution/Crystallization at Low Temperature
Accretionary wedge AEM analyses Barbados Electron diffraction Fluid-sediment interaction Illite Mixed-layer Smectite TEM images
2011/12/1
Abstract: Sediments from depths to 670 m in the Barbados accretionary complex and transecting the décollement zone have been studied by transmission and analytical electron microscopy (TEM/AEM). The s...
Effects of Humic Acid on the Crystallization of Aluminum Hydroxides
Aluminum hydroxide Bayerite Boehmite Crystallization Gibbsite Humic acid X-ray powder diffraction
2011/11/30
Abstract: The effects of humic acid (HA) on the crystallization of precipitation products of Al under mildly acidic to alkaline conditions were investigated. The extent of Al precipitation substantial...
Effect of Cysteine and Manganese on the Crystallization of Noncrystalline Iron(III) Hydroxide at pH 8
Crystallization Cysteine Ferrihydrite Goethite Iron oxides Manganese
2011/11/30
Abstract: To provide a greater understanding of the crystallization of iron oxides under natural aqueous conditions, the combined effect of an inorganic ion (Mn2+) and a reducing organic ligand (L-cys...
A First-Order Markov-Chain Model of Zeolite Crystallization
Crystallization Markov-chain model Rate constants Silica oligomers Zeolites
2012/1/6
A method using a finite, first-order Markov chain is presented to estimate rate constants for zeolite formation from experimental nuclear magnetic resonance (NMR) data on the abundance of different si...
Mechanisms of Gibbsite Crystallization from Partially Neutralized Aluminum Chloride Solutions
Aluminum hydroxide Crystallization Gibbsite OH-Al polymer Nucleation
2011/11/28
Abstract: To interpret the erratic conditions, rates, and extent of gibbsite crystallization from partially neutralized AlCl3 solution, the following hypothesis is proposed: The initial OH-Al polymers...