搜索结果: 1-15 共查到“矿床学与矿相学 Mg”相关记录50条 . 查询时间(0.156 秒)
Stability of Mg-sulphate minerals in the presence of smectites: Possible mineralogical controls on H2O and nutrient cycling on Mars
Stability Mg-sulphate minerals presence of smectites mineralogical controls H2O nutrient cycling Mars
2012/3/30
Hydrated sulphate minerals, including kieserite (MgSO4·H2O), gypsum (CaSO4·2H2O), and bassanite (CaSO4·~0.5H2O), have been detected on Mars (Gendrin et al., 2005; Wray et al., 2010), and polyhydrated ...
CHARACTERISTICS OF A Mg-PALYGORSKITE IN MIOCENE ROCKS,MADRID BASIN (SPAIN)
Esquivias FTIR Spectroscopy Mg-palygorskite Octahedral Occupancy Palygorskite
2011/11/7
Palygorskite in Miocene mudstones, palustrine limestones and calcretes from the Esquivias locality (Madrid Basin, Spain) has been analyzed by X-ray diffraction, infrared spectroscopy, scanning electro...
硅化合物阻燃增效EVA/Mg(OH)2复合材料
硅化合物 无卤阻燃 氢氧化镁 乙烯-醋酸乙烯酯共聚物
2011/10/25
随着高分子材料在国民生活中的广泛应用，它的阻燃问题备受人们关注。近几年，无卤阻燃技术成为阻燃研究的重点和方向。无卤阻燃技术通常是填充Mg（OH）2于高分子材料中。但Mg（OH）2阻燃效率低，填充量达到60wt%左右才具有优异的阻燃性来提高Mg（OH）2的阻燃效率，降低其填充量，挽救复合材料的力学性能。硅化合物是Mg（OH）2的一种较好的阻燃增效剂，有人认为，硅化合物能够改善Mg（OH）2的分散，加...
Differential thermal study of Mg-bearing clays from saline lakes of Southern Tunisia
DTA-TG endo/exothermic double peak enstatite saline lake sediments trioctahedral smectites
2011/11/10
Abstract Clays high in Mg content occur frequently in the high saline environment of salt lakes in southern Tunisia. The DTA curves of these clays show a striking endothermic-exothermic reaction in t...
Oxyfertil?: the answer for a productive and environmentally friendly 6-element (N,P,K,Ca,Mg,S) fertilization
Oxyfertil? productive environmentally friendly 6-element (N,P,K,Ca,Mg,S) fertilization
2012/3/28
In recent years, we have seen a growing concern in the developed farming community towards a sustainable and more environmentally friendly agriculture. In parallel, soaring energy prices are directly ...
Mg-mineral occurrences in the Central Anatolian Neogene intra-cratonic basins related to neotectonic regime: an example from Kangal basin, Sivas, Turkey
sepiolite palygorskite magnesite coal pyroclastic lacustrine
2011/11/7
The Sivas Basin is one of the Central Anatolian intracontinental basins. It has been formed on two main continental tectonic units, namely the Tauride-Anatolide Platform in the south and the Central A...
Infrared Study of Water Sorption on Na-, Li-, Ca-, and Mg-Exchanged (SWy-1 and SAz-1) Montmorillonite
Exchangeable Cation FTIR Hydration Hysteresis Smectite Sorption Water
2011/12/2
Abstract: An environmental infrared microbalance (EIRM) cell was used to study H2O sorption on two montmorillonite samples as a function of water content and type of exchangeable cation. The vibration...
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...
First Occurrence of a Stacking Sequence including (?0? 180? Rotations in Mg-Rich Annite
Annite Biotite HRTEM Mica Polytype-2O Polytypism Stacking Disorder
2011/12/8
Abstract: Transmission electron microscopy (TEM) observation shows narrow regions in a Ti-containing Mg-rich annite of composition (K0.90Na0.02)(Mg0.72Fe2+1.78Mn0.03Ti0.27Al0.05)(Si2.77Al1.23)O10(OH,F...
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...
The self-diffusion of Ca and the tracer diffusion of Mg in calcite have been measured experimen-Mg and Ca. Natural single crystals of calcite were coated with atally using isotopic tracers of gas at ...
Calculations of fluid-ternary solid solution equilibria: An application of the Wilson equation to fluid-(Fe,Mn,Mg)TiO3 equilibria at 600 °C and 1 kbar
Calculations fluid-ternary solid solution equilibria application Wilson equation fluid-(Fe,Mn,Mg)TiO3 equilibria 600 °C 1 kbar
2012/4/1
The Wilson equation (Wilson 1964) is applied to (Fe,Mn,Mg)TiO solid solutions for obtaining
the mixing properties of the ternary solid solution at 600 ?C and 1 kbar. The present study utilizes data
...
Local Ca-Mg distribution of Mg-rich pyrope-grossular garnets synthesized at different temperatures revealed by 29Si MAS NMR spectroscopy
Local Ca-Mg distribution Mg-rich pyrope-grossular garnets synthesized different temperatures revealed 29Si MAS NMR spectroscopy
2012/4/1
Pyrope-grossular solid solutions, (Mg,Ca) Al Si O , of composition Py Gr and Py Gr were3 2 3 12 85 15 75 25
synthesized at 1000, 1200, and 1400 ?C and 30 kbars in a piston-cylinder device. The synt...
Temperature dependence of Fe,Mg partitioning in Acapulco olivine
Temperature dependence Fe Mg partitioning Acapulco olivine
2012/4/1
The temperature dependence of the intracrystalline Fe,Mg partitioning (K ) in two olivine crys-
tals (Fa) separated from the Acapulco meteorite was determined by single-crystal X-ray structure
analy...
Fe,Mg,Mn-bearing phosphates in the GRA 95209 meteorite: Occurrences and mineral chemistry
Fe,Mg,Mn-bearing phosphates GRA95209 meteorite Occurrences mineral chemistry
2012/4/1
Two large regions of Fe,Mg,Mn-bearing phosphates, together with metal and various silicate phases,
have been observed in the GRA 95209 meteorite (a primitive achondrite belonging to the acapulcoite(R...