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Browsing ELibrary by Title
Now showing items 7421-7440 of 21934
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(2002)Streamline simulations have been extensively used in petroleum engineering due to its computational speed and the freedom from numerical dispersion. This study applies streamline simulation to the modeling of solute transport ...
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(2003)Phase equilibria and chemical characteristics of the initial magma of the Dovyren layered dunitetroctolite-gabbro pluton were modeled using the COMAGMAT-3.52 (2000) computer program. The chemical characteristics of marginal ...
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(1997)The modeling of the solubility of water and carbon dioxide in silicate liquids (flash problem) is performed by assuming mechanical, thermal, and chemical equilibrium between the liquid magma and the gas phase. The liquid ...
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(2001)Experimental data on phase equilibria were matched with calorimetric and crystallographic data on K-Ca-Na feldspars by thermodynamic modeling of a ternary feldspar solid solution. The excess functions of mixing were described ...
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(1998)Apatite (U-Th)/He apparent ages will generally reflect residence for extended periods at temperatures where helium is neither quantitatively retained nor lost by diffusion. To characterize the response of apatite He ages ...
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(1996)Unusual hydrodynamic phenomena are often observed around the epicenters of underwater earthquakes; they are known as seaquakes. Physical modeling of disturbances in thermal stratification has been carried out for a ...
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(2000)Recently significant advancement has been made in the modeling of trace element fractionation during dynamic melting. Some of the theoretical treatments that have contributed to the advancement took into account the ...
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(2001)Solute transport in the unsaturated zone often occurs in preferential flow paths. There are several reasons for this, e.g., water repellency, the occurrence of fissures and cracks, animal burrows, decomposed root threads ...
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(2005)Current bioturbation models are marked by confusion in their treatment of porosity. Different equations appear to be needed for different biodiffusion mechanisms, i.e., interphase mixing, where biological activity causes ...
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(2002)The shear velocity structure of the subducted Kurile slab is modeled using shear wave amplitude residual spheres. We measure long-period SH and ScSH phase amplitudes for 10 intermediate and deep focus earthquakes recorded ...
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(2003)Shear zones are the most ubiquitous features observed in planetary surfaces. They appear as a jagged network of faults at the observable brittle surface of planets and, in geological exposures of deeper rocks, they turn ...
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(2004)Manganese oxides are important scavengers of trace metals and other contaminants in the environment. The inclusion of Mn oxides in predictive models, however, has been difficult due to the lack of a comprehensive set of ...
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(2003)Under natural conditions, the adsorption of ions at the solid-water interface may be strongly influenced by the adsorption of organic matter. In this paper, we describe the adsorption of fulvic acid (FA) by metal(hydr)oxide ...
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(2002)A mathematical model was used to study the effect of glacially induced fluctuations in sea level on the formation of wave-cut terraces on tectonically mobile rock coasts. Two deep water wave sets were used to calculate ...
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(2002)We present an extension of the conventional geochemical reservoir model for the evolution of the Earth's crust-mantle system in which we calculate not only the mean isotopic ratios, but also the distribution of those ratios ...
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(2001)A mathematical wave erosional model was used to study the effect of high sea levels during the penultimate (oxygen isotopic stage 7) and last interglacials (substage 5e), and in the late Holocene (stage 1), on the present ...
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(2002)This paper briefly surveys the nature of magnetic perturbations at the ground and at low-Earth-orbit (LEO) altitudes produced by ionospheric and geomagnetic-field-aligned currents, with the aid of representative simulation ...
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(2001)Qualitative particularities in vertical crack of hydraulic break propagating in petroleum pool have been analyzed with the use of mathematical models. Assumption about plasticity of the enclosing rocks have been made in ...
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(2002)A 5-year daily measurement of the dynamic level in a borehole was plotted versus cumulative yield since the beginning of exploitation. Eighty percent of the experimental curve is explained by a linear function (h=aQc+h0) ...
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(2005)The present study investigates the interaction between microbial growth and activity and the redox dynamics in natural porous media. The impact the transport regime has on this interaction is also addressed. Expressions ...
Now showing items 7421-7440 of 21934