搜索结果: 1-7 共查到“矿床学与矿相学 Short-range”相关记录7条 . 查询时间(0.112 秒)
Near-infrared study of short-range disorder of OH and F in monoclinic amphiboles
Amphiboles OH-stretchingregion
2012/3/30
Amphibolesweresynthesizedalongthejoinstremolite¤C?uorotremolite,richterite¤C?u
rorichteriteandpotassic-richterite¤Cpotassic-?uororichteriteat75Cand1kbar P(H O).
2
Infraredspectraoftheamphiboleswere...
Short-range order of (Na,K) and Al in tremolite: An infrared study
Short-range (Na,K) and Al tremolite infrared study
2012/4/5
Assignment of the component bands in the infrared spectrum of tremolite containing A(Na,K)and TAlshows that the nontremolite components in the crystal are not randomly distributed throughout the struc...
New short-range biopyribole polysomes from the Lepontine Alps, Switzerland
New short-range biopyribole polysomes Lepontine Alps Switzerland
2012/4/5
Retrograde hydration ofanthophyllite found in ultramafic lenses ofthe Lepontine Alps, southern Switzerland, resulted in the formation oftalc and additional ordered and disor-dered biopyribole polysome...
Short-range disorder of Si and Ti in the tetrahedral double-chain unit of synthetic Ti-bearing potassium-richterite
Short-range disorder Si Ti double-chain unit of synthetic Ti-bearing potassium-richterite
2012/4/5
Ti-rich potassium-richterite samples weresynthesized at 900°C and 1kbar PH20and characterized by Fourier-transform infrared spectroscopy (FTIR) and Rietveld structure refinement. The infrared spectrum...
Effect of Prolonged Aging on the Transformation of Short-Range Ordered Aluminum Precipitation Products Formed in the Presence of Organic and Inorganic Ligands
Aging Gibbsite Montmorillonite Noncrystalline Al products Pseudoboehmite
2011/12/29
More than 40 samples of Al precipitation products formed in the presence of organic (aspartic, oxalic, citric, tartaric, malic, salicylic, and tannic acid, and acetylacetone) and inorganic (chloride, ...
Effect of Tartaric Acid and pH on the Nature and Physicochemical Properties of Short-range Ordered Aluminum Precipitation Products
Aggregation Aluminum hydroxides Crystallization Porosity Precipitation Surface area Tartaric acid
2011/12/31
The influence of tartaric acid and pH on chemical composition, morphology, surface area, and porosity of short-range ordered Al precipitation products was studied. Samples were prepared (1) at pH 8.0 ...
Influence of Citric Acid on the Formation of Short-Range Ordered Aluminosilicates
Allophane Aluminosilicate Citric acid Hydroxy-Al Imogolite Noncrystalline Pseudoboehmite
2012/2/2
Reactions between hydroxy-Al ions and orthosilicic acid as influenced by citric acid were studied at an initial Si concentration of 1.6 ?10−3 M, Si/Al molar ratios of 0.5 and 1.0, OH/Al molar ra...