搜索结果: 1-11 共查到“矿床学与矿相学 Variation”相关记录11条 . 查询时间(0.062 秒)
Variation in Ecosystem Services Value in a Typical Mountain Town, Liaohe Watershed, China
Ecosystem Service Value Land Use Change Nanfen District RS & GIS Value Coefficients
2011/12/21
This study investigated variation in ecosystem services value in response to land use change in Nanfen District of Benxi City, a typical mountain town in Liaohe watershed, China. We used two Landsat T...
Method of Soil Erosion Intensity Spatial Variation Research
Gas Insulation Switchgear (GIS) Luoning County RS Soil Erosion Intensity
2011/12/21
This paper collected attribute data of impacting soil erosion factors by RS and GIS, combined soil erosion model, got load and density of soil erosion in Luoning county, Henan province, and analyzed r...
The description of Al, Si ordering in aluminosilicates using the cluster variation method
cluster variatio nmethod Al Si cluster variation method
2012/3/30
Theclustervariationmethod(CVM)fordeterminingthethermodynamicsofbothshort-
rangeandlong-rangeorderinthisstudywasextendedtocomplexaluminosilicateminerals.
Usingrecentlydevelopedalgorithmsforthemaximiz...
Compositional variation and structural state of columbite-tantalite in rare element granitic pegmatites of the Preissac-Lacorne batholith, Quebec, Canada
Compositional variation columbite-tantalite element granitic pegmatites Preissac-Lacorne batholith Quebec Canada
2012/4/5
Rare-element-enriched graniticpegmatitesin andnearthe LamotteandLacorneplutons ofthe ArcheanPreissac-Lacorne batholith (Quebec) arezoned from aleast fractionated beryltype in the parental pluton throu...
Compositional Variation in Component Layers in Natural Illite/Smectite
Bentonite Cation-exchange capacity Diagenesis Hydrothermal Illite Interstratification Smectite
2012/1/13
Published chemical data for suites of mixed-layer minerals from diagenetic sedimentary rocks, hydrothermally altered tufts, and a metasomatic bentonite bed indicate that the layer charge and compositi...
Textural Variation and Composition of Bentonite Derived from Basaltic Ash
Basaltic ash Bentonite Chemical composition Hyaloclast Petrography Scanning electron microscopy Texture
2012/1/12
The Rokle bentonite deposit is part of an accumulation of argillized volcanoclastic rocks in the Tertiary stratovolcanic complex of the Doupovsk?Mountains east of Karlovy Vary (Carlsbad), about 100 km...
Cristobalite Morphology and Oxygen Isotopic Composition Variation under Hydrothermal Alteration
Cristobalite Morphology Oxygen Isotopic Composition Variation Hydrothermal Alteration
2011/11/18
Abstract: From 2 to 28% opal-cristobalite was isolated from the 2–20 µm fraction of rhyolitic and andesitic tuffaceous pyroclastics from the Island of Honshu, Japan, where it had been formed in ...
Surface Charge Variation in Aging Ferric Hydroxide
Surface Charge Variation Aging Ferric Hydroxide titration technique
2012/2/13
The variation with time of exchangeable surface charge of amorphous ferric hydroxide in aqueous suspension was monitored by a titration technique. After 120 days, the surface charge of suspensions wit...
Scanning Electron Microscopy of Cherts in Relation to the Oxygen Isotopic Variation of Soil Quartz
Scanning Electron Microscopy Cherts Oxygen Isotopic Variation Soil Quartz
2012/2/15
Quartz isolated from soils by the pyrosulfate-H2SiF6 method and chert samples of various origins were examined with the scanning electron microscope. Quartz isolates of the 20?0 祄 from the A2 and B2lt...
Directional Variation of Elastic Wave Velocities in Oriented Clay
Directional Variation Elastic Wave Velocities Clay
2012/2/17
Sonic anisotropy of clay resulting from particle orientation was studied by means of velocity measurements on anisotropically consolidated kaolinite. Samples were prepared from a kaolin-water slurry u...
Compositional Variation of a Vermiculite as Related to Particle Size
Vermiculite Particle Size
2011/11/16
A vermiculite regolith sample from Llano, County, Texas, was divided into 16?2, 8?6, 4?, 2?, 1?, 綎1, 紪? 1 10 柤, and 5 100 ?1 10 micron equivalent spherical diameter size-classes. A well-crystallized v...