搜索结果: 1-15 共查到“理学 Cations”相关记录55条 . 查询时间(0.138 秒)
Verifications of the high-resolution numerical model and polarization relations of atmospheric acoustic-gravity waves
high-resolution numerical model polarization relations
2015/8/6
Comparisons of amplitudes of wave variations of
atmospheric characteristics obtained using direct numerical
simulation models with polarization relations given by conventional theories of linear aco...
Cation exchange as influenced by the type of cations in different clay minerals
Cation exchange influenced type cations different clay minerals
2012/3/30
Physical and chemical properties of most soils are influenced by their ion-exchange characteristics, including the amount and balance of individual ions present (Rayment and Lyons, 2011). Cation Excha...
Research on Purification of Attapulgite Clay and Adsorption Characteristics for Metal Cations
Acid Treatment Alkaline Treatment Attapulgite Clay Cation-Adsorption Purification
2011/11/22
Attapulgite clay(ATP) from Xuyi county of China was purified by a wet method then treated with NaOH and 1.0 mol/L, 2.0 mol/L and 3.0 mol/L solutions of HCl. Transmission electron microscope(TEM) and X...
Cycling of nutrient base cations in a twelve year old Sitka spruce plantation in upland mid-Wales
Forestry base cations
2009/3/24
The effects of the early growth of plantation forestry on the biogeochemical cycling of potassium, calcium and magnesium have been investigated in a stand of 12 year old Sitka spruce and adjacent moor...
Importance of mineral cations and organics in gas-aerosol partitioning of reactive nitrogen compounds: case study based on MINOS results
Importance of mineral cations gas-aerosol partitioning reactive nitrogen compounds MINOS results
2009/1/12
The partitioning of reactive nitrogen compounds between the gas and the aerosol phase, as observed during the MINOS (Mediterranean INtensive Oxidant Study) campaign in Crete, Greece, in July and Augus...
Investigation on Mechanism for Separation of Alkali, Alkaline Metal and Ammonium Cations in Nonaqueous Capillary Electrophoresis
alkali metals alkaline earth metals ammonium cation open-tubular pseudo capillary electrochromatography nonaqueous medium
2007/12/13
Investigation on Mechanism for Separation of Alkali, Alkaline Metal and Ammonium Cations in Nonaqueous Capillary Electrophoresis。
Self-Organized Inorganic-Organic Hybrids Induced by Silylating Agents with Phyllosilicate-Like Structure and the Influence of the Adsorption of Cations
Adsorption Aminated Surface Complexes Ion-Exchange Modified Phyllosilicate
2011/12/6
Abstract: Two analogous inorganic-organic hybrids with a phyllosilicate-like structure SILMg1 and SILMg2, containing 3-aminopropyl- and N-propylethylenediaminetrimethoxysilane were synthesized through...
Stepwise Hydration of High-Quality Synthetic Smectite with Various Cations
Crystalline Swelling Hydration Interlayer Cation Smectite
2011/12/6
Abstract: Smectites synthesized from experiments at 5.5 GPa and 1500癈 are of high quality, crystals are large at >10 祄, and the 2:1 layers may have a homogeneous charge distribution. Smectite was exch...
Algorithmic modifications extending MELTS to calculate subsolidus phase relations
calculate subsolidus phase relations Algorithmic modifi cations
2014/4/8
Algorithmic modifications to the MELTS software package are presented in order that
calculations of heterogeneous phase equilibria can be performed in the subsolidus. Methods
are presented for...
Effects of Iron Oxidation State and Organic Cations on Dioctahedral Smectite Hydration
Alkylammonium Ferric Iron Ferrous Iron HDTMA Hydrophilic Surface Hydrophobic Surface Interlayer Cation Oxidation Reduction Surface Hydration Swelling TMA TMPA
2011/12/6
Abstract: Reduction of structural Fe in Na-exchanged dioctahedral smectites decreases swellability in water, but because clay interlayers also collapse in the process the concomitant effect on surface...
K-Ar Dating of Illitic Fractions of Estonian “Blue Clay” Treated with Alkylammonium Cations
Alkylammonium Cations Estonian “Blue Clay” Illite K-Ar Shale Diagenetic Age
2011/12/2
Abstract: Two clay fractions of a Cambrian claystone from Estonia, consisting essentially of illite and 20% expandable illite-smectite, (I-S) were treated with C12 and C18 alkylammonium cations for K-...
Effects of Exchange Cations and Layer-Charge Location on Cysteine Retention by Smectites
Cysteine CMS Source Clay SAz-1 FTIR Homoionic Smectites Layer Charge Thermal Analysis XRD
2011/12/7
Abstract: This study investigates the complexes formed between amino acids, which are the natural degradation products of organic matter, and smectites. Thus, the adsorption and desorption behavior of...
Sorption of Heavy-Metal Cations by Al and Zr-Hydroxy-Intercalated and Pillared Bentonite
Heavy Metals Intercalation Montmorillonite Pillared Clay Sorption
2011/12/7
Abstract: The sorption of Cd, Cu, Pb, and Zn ions by Na-rich bentonite, Al and Zr-pillared Na-rich bentonite (Al-MX80, Zr-MX80), the uncalcined hydroxy-intercalated precursors (HAl, HZr-MX80), and com...
Sorption of Benzene, Toluene, Ethylbenzene, and Xylene (BTEX) Compounds by Hectorite Clays Exchanged with Aromatic Organic Cations
Adsorptive Organoclays Aromatic Cations BTEX Hectorite Natural Clays Organophilic Organoclays Smectite Sorption Unleaded Gasoline X-Ray
2011/12/7
Abstract: Adsorptive-type organoclays, where hydrocarbons adsorb directly to the siloxane surfaces, were studied to find new organic cations and to determine the parameters that produce effective sorb...
Unusual M3+ cations in synthetic amphiboles with nominal fluro-eckermannite composition: Deviations from stoichiometry and structural effects of the cummingtonite component
composition stoichiometry Unusual M3+
2012/3/30
Single-crystalstructure-re?nementandelectron-microprobeanalysisofsyntheticam-
phiboleswithnominal?uoro-eckermannitecompositionanddifferenttrivalentcations(Al,3 3 3
Sc,Ti,V ,Cr ,Ga,)showsigni?cantdev...