搜索结果: 1-15 共查到“矿床学与矿相学 Silicate”相关记录32条 . 查询时间(0.062 秒)
Revisiting silicate authigenesis in the Pliocene–Pleistocene Lake Tecopa beds, southeastern California: Depositional and hydrological controls
saline, alkaline lake, Pliocene–Pleistocene, zeolite, depositional facies, authigenic minerals
2011/11/14
The Pliocene–Pleistocene Lake Tecopa beds present a well-documented example of authigenic silicate diagenesis in an ancient saline, alkaline lake environment. Controls on authigenic mineral formation ...
On the friction and sliding wear of rubber/layered silicate nanocomposites
nanomaterials polymer composites rubber wear organoclay
2011/12/14
The dry sliding and friction behaviors of organoclay modified hydrogenated nitrile (HNBR) and ethylene/propylene/diene (EPDM) rubbers were studied using a pin (steel)-on-plate (rubber sheet) test conf...
Overall Properties of Fibrillar Silicate/Styrene–Butadiene Rubber Nanocomposites
fibrillar silicate styrene butadiene rubber properties anisotropy
2011/11/10
The mechanical properties, heat aging resistance,dynamic properties, and abrasion resistance of fibrillar silicate (FS)/styrene butadiene rubber (SBR) nanocomposites are discussed in detail. Compared ...
Palygorskite genesis through silicate transformation in Tunisian continental Eocene deposits
palygorskite illite Tunisia Eocene
2011/11/2
The mineralogical and geochemical characteristics of Eocene continental sedimentsin south central Tunisia (Chebket Bouloufa and Jebel Hamri) and in north central Tunisia (Jebel Lessouda and Jebel Rhe磑...
Structural investigation of platinum solubility in silicate glasses
Structural investigation platinum solubility silicate glasses
2012/4/1
The coordination environment of 20-200 ppm Pt in yellowish glasses from the CaO-Al O -SiO
2 3 2(CAS) ternary was studied using X-ray absorption fine structure spectroscopy at the Pt-L edge.
IIIedge...
Akimotoite, (Mg,Fe)SiO3, a new silicate mineral of the ilmenite group in the Tenham chondrite
Akimotoite Mg,Fe SiO3 new silicate mineral ilmenite group Tenham chondrite
2012/4/1
Akimotoite,(Mg,Fe)SiO ,anewsilicatemineraloftheilmenitegroup,wasfoundin3theshock-metamorphosedTenhamchondrite.Itoccursasaggregatesadjacenttoclinoen-statiteinfragmentswithinshock-inducedmeltveins.Chemi...
Thermal expansion of silicate liquids: Direct determination using container-based dilatometry
silicate liquids container-based dilatometry thermal expansion
2012/3/31
The expansivity of a silicate melt in the relaxed liquid state was obtained by direct dilatometric
measurement for the first time. During the measurement, the liquid sample resides within a metal
co...
Modeling of the solubility of a two-component H2O + CO2 fluid in silicate liquids
H2O + CO2 silicate liquids two-component
2012/3/31
Thesolubilityofatwo-component,H O CO ?uidinsilicateliquidswasmodeledby
assumingmechanical,thermal,andchemicalequilibriumbetweenthe?uidandliquidphas- H O CO )
es.Theliquidphasewastreatedasa12-compone...
Akimotoite, (Mg,Fe)SiO3, a new silicate mineral of the ilmenite group in the Tenham chondrite
silicate mineral (Mg,Fe)SiO3 SAED
2012/3/30
Akimotoite,(Mg,Fe)SiO ,anewsilicatemineraloftheilmenitegroup,wasfoundin3
theshock-metamorphosedTenhamchondrite.Itoccursasaggregatesadjacenttoclinoen-
statiteinfragmentswithinshock-inducedmeltveins.C...
Si,Al ordering in the double-ring silicate armenite, BaCa2Al6Si9O30?H2O: A single-crystal X-ray and 29Si MAS NMR study
BaCa2Al6Si9O30?H2O single-crystal
2012/3/30
29The SiMASNMRspectrumofarmenitefromWasenalp(Valais,Switzerland)indicates
completeSi,Alordering.Thesamechemicalshifts(82.3,95.0,and101.8ppm)were
alsomeasuredforarmenitefromRe!migny(Quebec,Canada),ho...
Structure and dynamics of magnesium in silicate melts: A high-temperature 25Mg NMR study
Structure dynamics magnesium silicate melts high-temperature
2012/4/1
25Mg NMR spectra for several silicate and aluminosilicate melts were obtained from 1000–1470 8C. The peaks are initially very broad, but narrow with increasing temperature to near 500 Hz at the highes...
Heterogeneous crystal nucleation on bubbles in silicate melt
Heterogeneous crystal nucleation bubbles silicate melt
2012/4/1
Experiments reported herein document heterogeneous crystal nucleation on bubbles in supercooled lithium disilicate melt. Crystalline lithium disilicate (Li2Si2O5) nucleated and grew on small bubb...
Calculated role of aluminum in the incorporation of ferric iron into magnesium silicate perovskite
Calculated role aluminum incorporation ferric iron magnesium silicate perovskite
2012/4/1
An atomistic computer simulation study was undertaken to address the role of Al in the substitution of ferric iron into magnesium silicate perovskite, MgSiO
3. Calculated substi-tution and vacancy en...
Sodium heptasilicate: A high-pressure silicate with six-membered rings of tetrahedra interconnected by SiO6 octahedra: (Na8Si[Si6O18])
Sodium heptasilicate high-pressure silicate six-membered rings tetrahedra interconnected SiO6 octahedra (Na8Si[Si6O18])
2012/3/31
Crystals of sodium heptasilicate (Na8Si7O18) have been grown at 9 GPa, 1000 8 C using the MA6/8 superpress at Edmonton. The X-ray structure was determined at room pressure( R 5 5.8%). Sodium heptasili...
The influence of water on the environment of transition metals in silicate glasses
The influence water environment transition metals silicate glasses
2012/3/30
The effect of water (5 H2O 1 OH) on the environment of Co21and Ni21 in albite glass was investigated by electronic absorption spectroscopy. The visible spectra of Co21-doped glasses change only slight...