搜索结果: 1-12 共查到“地质学 Physico-Chemical”相关记录12条 . 查询时间(0.066 秒)
Genetic, Physico-Chemical and Mineralogical Characterization of the Ngozi and Matongo Kaolins, Respectively in Northern and Central Parts of Burundi
Genetic Physico-Chemical Mineralogical Characterization Ngozi Matongo Kaolins
2012/3/14
Genetic, Physico-Chemical and Mineralogical Characterization of the Ngozi and Matongo Kaolins, Respectively in Northern and Central Parts of Burundi.
Morphological, Physico-Chemical and Clay Mineralogy Investigation on Gypsiferous Soils in Southern of Tehran, Iran
Morphology Clay mineralogy Smectite Palygorskite Gypsum Arid soils
2011/11/7
In this study, based on topographic maps, satellite images and conducted several field visits, ten pedons studied in the area and for further study four representative pedons selected which occurring ...
Adsorption capacity and mineralogical and physico-chemical characteristics of Shuwaymiyah palygorskite (Oman)
Shuwaymiyah palygorskite adsorption capacity mineralogical
2011/11/4
In this paper, Shuwaymiyah palygorskite in the Sultanate of Oman has been characterized mineralogically by X-ray diffraction (XRD) and electron microscopy, chemically by oxide compositions, structural...
Physico-chemical characteristics and clay mineralogy composition of selected soils in arid and semiarid regions of Iran
Physico-chemical characteristics clay mineralogy composition Iran
2011/11/10
Knowledge of soil types and their properties is highly important in determining constraints and potential as well as better utilization of soils. Clay minerals are important fractions of the soil soli...
The effects of palygorskite on chemical and physico-chemical properties of soils: a review
Palygorskite Soil-physical-chemistry Irrigated-agriculture Rheology Flocculation Clay-migration Disaggregation Dispersion
2011/11/4
Very little was known about how palygorskite affects soil properties when it constitutes a significant component of the soil clay fraction. This constituted a serious impediment for the proper managem...
Physico-Chemical Properties of Illite Suspensions after Cycles of Freezing and Thawing
Illite-Type Clays Plasticity Pretreatment With Cold Thermal Analysis Thixotropy Viscosity
2011/12/7
Abstract: The effect of freezing and thawing on the rheological behavior of illite suspensions was studied by examining viscosity and plasticity. Stability of suspensions was characterized by a hyster...
Physico-Chemical Characterization and Catalytic Properties of Copper-Doped Alumina-Pillared Montmorillonites
Alumina Copper Copper Catalyst Montmorillonite Phenol Hydroxylation Pillared Clay
2011/12/2
Abstract: Cu-doped alumina-pillared montmorillonite samples have been prepared and characterized with X-ray diffraction (XRD), Brunauer-Emmett-Teller (BET), electron spin resonance (ESR) and inductive...
Acid Activation of a Ferrous Saponite (Griffithite): Physico-Chemical Characterization and Surface Area of the Products Obtained
Acid activation Ferrous saponite Free silica Surface area
2011/12/29
A ferrous saponite (griffithite) from Griffith Park (California, USA) was treated with solutions of HCl (0.62, 1.25 and 2.5% by weight) at 25°C for 2, 6, 24 and 48 hours. The resulting solids were cha...
Physico-Chemical Properties of Synthetic Hydrotalcites in Relation to Composition
Crystal strain Hydrotalcite Solid solution Synthesis Thermal stability
2011/11/22
Abstract: Hydrotalcite solid solutions were prepared by coprecipitation followed by hydrothermal treatment between 150° and 250°C. Based on the structural formula [Mg1−xAlx(OH)2]X+[(CO3)x/2ͺ...
Synthesis of Hydrotalcite-Like Compounds and their Physico-Chemical Properties—The Systems Mg2+-Al3+-SO42− and Mg2+-Al3+-CrO42−
Synthesis Hydrotalcite-Like Compounds Physico-Chemical Properties
2011/11/18
Abstract: Hydrotalcite-like compounds [MgI − xAlx(OH)2]x+ [Ax/22−, mH2O]x−, where A2− is SO42− or CrO42− and x ≇ 0.25, were prepared by a coprecipitation meth...
Structural Analysis of Sepiolite by Selected Area Electron Diffraction—Relations with Physico-Chemical Properties
Structural Analysis of Sepiolite Area Electron Diffraction Physico-Chemical Properties
2011/11/18
Abstract: The electron structural analysis of a Madagascar sepiolite (Ampandrandava) was carried out by selected area electron diffraction obtained from monocristals. Fourier projections, derived from...
The Syntheses of Hydrotalcite-Like Compounds and Their Structures and Physico-Chemical Properties I: The Systems Mg2+-Al3+-NO3−, Mg2+-Al3+-Cl−, Mg2+-Al3+-ClO4−, Ni2+-Al3+-Cl− and Zn2+-Al3+-Cl−
Syntheses Hydrotalcite-Like Compounds Physico-Chemical Properties
2012/2/15
The basic salts of this system were prepared and their structures and physico-chemical properties were studies by electron microscopy, chemical analysis, X-ray powder diffraction, thermal analysis, i....