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Browsing ELibrary by Title
Now showing items 8610-8629 of 21934
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(1997)Synchrotron X-ray scattering measurements were performed in situ during the formation of thin (50-600 #9) overgrowths of otavite-calcite solid-solutions at the (1014) cleavage surface of single-crystal calcite. These ...
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(1996)Oulankaite, ideally (Pd,Pt)s(Cu,Fe)4SnTe2S2, is a new mineral species, occurring in pegmatoidal, plagio-clase-bearing pyroxenite hosted by a microgabbronorite in the Early Proterozoic Lukkulaisvaara mafic-ultramafic layered ...
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(2002)Using a 3D distinct-element mechanical modeling program, we examined the nature and magnitude of out-of-plane motion during along-strike propagation of a simple thrust ramp and attendant fault-related folding. Our numerical ...
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(1999)Fourier transform infrared (FTIR) and extended X-ray absorption fine structure (EXAPS) spectroscopic measurements were performed on Pb(II)ethylenediaminetetraacetic (EDTA) adsorbed on goethite as a function of pH (4-6), ...
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(2002)Density functional theory molecular orbital calculations and Marcus theory have been combined to assess the rates and physicochemical factors controlling the outer-sphere oxidation of divalent V, Cr, Mn, Fe, and Co aquo ...
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(1996)Solvated Pb(II) ions were found to adsorb as structurally well-defined outer-sphere complexes at specific sites on the α-Al2O3 (0001) single crystal surface, as determined by grazing-incidence X-ray absorption fine structure ...
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(1988)An analysis of satellite IR surveys of the earth surface in the wavelength interval from 10.5 to 11.3 μm indicated that a temporally and laterally stable increase in the intensity of the outgoing IR radiation flux, compared ...
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(2000)The Beer–Lambert law is traditionally used to determine water and carbon concentrations in glasses from their infrared (IR) spectra. In practice, this method requires estimation of the thickness and density of the glass ...
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(1997)The sediment sequence at Ocean Drilling Program (ODP) Site 910 (556 m water depth) on the Yermak Plateau in the Arctic Ocean features a remarkable ``overconsolidated section'' from ˜ 19 to 70-95 m below sea floor (m bsf), ...
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(2002)Recognising the utility of grass buffer strips in sediment retention, a fundamental hydraulic interpretation of flow through such strips is sought. In order to ensure reproducibility of results, a model porous resistive ...
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(2001)Overpressured zones in the Precaspian Basin occur at depths below 4000 m. The most extensive zone is in the subsalt reservoirs throughout the basin. In spite of the extended literature database on overpressure phenomena, ...
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(2004)Of the eighty-three naturally occurring elements that are not radioactive or have half lives long enough to be considered stable (>109 yrs), nearly three-quarters have two or more isotopes. Variations ...
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(2002)Environmental legislation has had significant impact on coal utilization, especially coal combustion for power generation, in limiting emissions of potentially hazardous materials to the environment. For the most part, ...
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(1995)Batch interaction experiments were performed under aerobic conditions to characterize the adsorption behavior and valence speciation of CoEDTA complexes (equimolar at 10-5 mol/L) in a series of Pliocene subsurface sediments ...
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(1997)Manganese oxidation rates were determined at low (#20 nM) concentrations in seawater by measuring dissolved manganese (Mn(II)) using flow injection analysis with chemiluminescence detection. Mn(II) was measured in samples ...
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(2005)Sorption and transformation of 1-naphthol by a K-smectite (K-SWy-2) were studied using batch sorption isotherms, Fourier-transform infrared spectroscopy (FTIR), and X-ray diffraction (XRD). The sorbents included three ...
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(2001)Amorphous forms of natural and synthetic Fe oxyhydroxides and synthetic Mn oxyhydroxides were used to study the oxidation of antimonite, Sb(III), at different pH values. Sb species were measured by differential pulse ...
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(1999)X-ray Photoelectron Spectroscopy (XPS) was used to investigate oxidation of aqueous Cr(III) at the surface of 7 #9-birnessite [MnO1.75(OH)0.25]. Special emphasis was placed on detection of intermediate oxidation states of ...
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(1995)Arsenic and sulphur, and possibly iron, exist in multiple oxidation states in the near-surface of unoxidized arsenopyrite. X-ray photoelectron spectroscopy (XPS) of an unoxidized surface reveals that sulphur is present as ...
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(1996)Cobalt and manganese uptake onto suspended particles was studied in waters collected from Waquoit Bay, Massachusetts and the upper water column of the Sargasso Sea using radiotracers, coupled with protocols used previously ...
Now showing items 8610-8629 of 21934