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Browsing ELibrary by Title
Now showing items 120-139 of 21879
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(1999)Short-period regional P/S amplitude ratios hold much promise for dis-criminating low-magnitude explosions from earthquakes in a Comprehensive Test Ban Treaty (CTBT) monitoring context. However, propagation path effects ...
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(1996)Long-term resistance to displacement along frozen surfaces is an important characteristic of the strength of frozen ground. A knowledge of the value of this characteristic is necessary when calculating the load-carrying ...
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(2004)The article presents experimentally determined physical and mechanical properties and elastic anisotropy of three core samples of metamorphic rocks (gneisses), which were drilled out and lifted from depths of 6849 – 8411 ...
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(2002)The procrystal calculation of the electron density is a very rapid procedure that offers a quick way to analyze various bonding properties of a crystal. This study explores the extent to which the positions, number, and ...
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(2002)Many processes in the Earth's crust are controlled by the chemical and physical interactions between fluids and geological media where the lattice is usually characterised by a heterogeneous permeability, intrinsic rock ...
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(1995)Hydrous pyrolysis, using progressive heating from 150 to 365°C, is used to study the generation and isotopic composition of hydrocarbon gases and carbon dioxide. Different source rocks from the Draupne, Heather, Dunlin and ...
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(2000)The effects of ion irradiation in the ABO4-type compounds were compared by performing experiments on four materials that include the most common crystal structures (monazite vs. zircon) and chemical compositions (phosphates ...
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(2003)Large-eddy simulations provide a strategy for modelling large-scale flow when the smallest scales are not resolved. The approach relies on spatial filtering to eliminate scales smaller than the grid spacing, but requires ...
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(1997)Continual improvements in the precision of isotope ratio measurements made by ion microprobe, and the attempt to resolve smaller isotopic differences using this technique means that it is increasingly important to demonstrate ...
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(2003)Further knowledge as to the nature of the structure of a terrestrial sample of troilite, FeS [stoichiometric iron(II) sulfide] is revealed by a combination of XPS studies and dissolution studies in acid. The XPS analysis ...
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(2003)The petrography and chemical composition of minerals of quartz-rich diamondiferous rocks from the Kokchetav Massif, especially the zonation of garnet, were studied and compared with diamondiferous quartzofeldspathic rocks ...
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(2002)The smoothness-constrained least-squares method is widely used for two-dimensional (2D) and three-dimensional (3D) inversion of apparent resistivity data sets. The Gauss-Newton method that recalculates the Jacobian matrix ...
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(2001)A model to describe convective overturning of a fluid layer due to density differences is derived based on equations of Kazhikhov & Smagulov. This is related to an analogous model of a reduced system based on equations of ...
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(2001)We recently published the results of a study of volatiles evolved during coalification (Kopp et al.,.2000) based on the loss of CH4, H2O, and CO. At that time, the loss of CO2 was not modelled because low-rank lignites and ...
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(1998)The cell walls of bacteria are known to adsorb a variety of metals, and thus they may control metal mobilities in many low-temperature aqueous systems. In order to quantify metal adsorption onto bacterial surfaces, recent ...
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(2001)A comparison has been made between the visual observations of surface oil and four satellite-borne Synthetic Aperture Radar (SAR) images taken during the Sea Empress oil spill in February 1996. Whilst the basic oil slick ...
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(1991)We present a simple virial-type extension to the modified Redlich-Kwong (MRK) equation for calculation of the volumes and fugacities of H2O and CO2 over the pressure range 0.001–50 kbar and 100 to 1400°C (H2O) and 100 to ...
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(2001)The model developed in this study simulates the contamination of overland flow by soil chemicals that reside near its surface during a surface runoff event. The model includes mass-balance equations for both water flow and ...
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(2002)The near-Earth magnetic field is due to sources in Earth's core, ionosphere, magnetosphere, lithosphere, and from coupling currents between ionosphere and magnetosphere and between hemispheres. Traditionally, the main field ...
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(2001)The Tunka basin was initiated during Oligocene, under transtensional regime (normal-sinistral) as shown by large-scale structures and geomorphology. Nevertheless, a preliminary analysis of the most recent deformations ...
Now showing items 120-139 of 21879