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Browsing ELibrary by Title
Now showing items 2853-2872 of 21638
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(2003)Electron irradiation experiments were performed using a 30-keV electron beam on single crystals of olivine in a scanning electron microscope (SEM) and in an electron microprobe (EMP). We determined that, under certain ...
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(2003)The relations between detachment folding, fold amplification, and salt diapirism in contractional settings have been investigated by means of scaled analogue models. The viscosity of the silicone layer simulating salt in ...
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(2004)The detailed time-space distribution of acoustic emission (AE) events during the catastrophic fracture of rock samples containing a pre-existing joint or potential fracture plane is obtained under triaxial compression using ...
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(2003)Seven cores from the central part of the Sea of Okhotsk were studied by paleomagnetic, diatomic, palynological, geochemical, and oxygen isotope analyses, and the effect of climatic fluctuations on some characteristics of ...
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(2001)The Baikal bottom sediments (borehole BDP-96-2) are stratigraphically characterized in detail (with a 500 year resolution) within the Brunhes Chron. The sediment section 35 m thick shows a distribution of diatoms (25 species ...
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(2004)The Kamchatka Peninsula lies over a vigorous subduction zone where Pacific and North American plates converge at a rate of almost 80 mm yr −1 . Earthquakes associated with the subduction process provide an excellent source ...
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(2001)The statistical power for detecting change in water quality should be a primary consideration when designing monitoring studies. However, some of the standard approaches for estimating sample size result in a power of less ...
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(2004)There are several methods to test the hypothesis of complete spatial randomness of point patterns. This work involves a new geometrical-based strategy to detect spatial arrangements, which takes into account both Euclidean ...
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(2002)One of the fundamental questions in modern volcanology is the manner in which a volcanic eruption is triggered; the intrusion of fresh magma into a reservoir is thought to be a key component. The amount by which previously ...
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(1988)Use of the entire group of inert gases as an indicator of the presence of hydrates has many advantages. First, it avoids the above problem of inaccurate knowledge of the composition of the original gas. Second, the ability ...
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(2003)Multi-electrode resistivity data can be used to compute the measurable response for conventional and focused configurations. Some of them are appropriate for detecting layer boundaries. Three different configurations are ...
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(2001)Mineralogical discrimination of iron oxides in soils and sediments is not a trivial task, mainly because of their small grain size and low concentration. With mineral-magnetic techniques, highly magnetic ferrimagnetic ...
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(2003)Changes in surface reflection at the arctic tundra at Ny-Ålesund, Svalbard (79° N) were monitored during the melting season 2002 using a low cost multispectral digital camera with spectral channels similar to channels 2, ...
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(1997)Surface hydroxyl groups were detected on silica, γ-alumina, quartz, and feldspar powders using diffuse reflectance Fourier transform infrared (IR)-spectroscopy. Spectra were collected on all samples before and after heating ...
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(1997)Based on a standard state of unit activity of the solute in a hypothetical one molal solution where activity coefficients are taken as unity at infinite dilution at all pressures and temperatures, the activity coefficients ...
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(1989)In the present article we shall focus on a method of obtaining the attainable boundaries of the region containing the admissible velocity profiles from estimates of the function τ(p) and some logical assumptions regarding ...
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(2002)Experiments show that the concentration of lattice gold can be estimated against the bulk Au content dominated by sorption gold using extrapolation of the concentration of uniformly distributed Au vs. mean specific surface ...
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(1996)Several sample treatments and analytical methods for the measurement of black carbon in a wide variety of sediments were considered in which the removal of organic carbon is a critical step in the procedure. A comparison ...
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(2004)Two capillary electrophoretic analysis methods are presented; one optimized for the analysis of Br− and the other for determination of K+ in groundwaters of high conductivity. The water sampling was performed from the ...
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(1987)The authors determined the amount of carbon in plutonic olivines consisting of single crystals from nodules of ultramafic rocks and mineral phenocrysts in rocks of various origin. The determination of carbon in olivine ...
Now showing items 2853-2872 of 21638