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Browsing ELibrary by Title
Now showing items 1325-1344 of 26297
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(2002)The material described as ''mineral matter'' in coal encompasses dissolved salts in the pore water and inorganic elements associated with the organic compounds, as well as discrete crystalline and non-crystalline mineral ...
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(2006)We analyze data from 15 decoupled chemical explosions conducted from 1986 to 2002 in Älvdalen, Sweden, recorded on regional seismic stations NORES, HFS, and NORSAR. The explosions were conducted in three approximately ...
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(2006)In the context of the European Water Framework Directive, we studied the possible impact of reduced emissions on phosphorus and nitrogen concentrations in a lowland river-lake system (Havel River, Germany). As a prerequisite, ...
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(2006)We have investigated the native amino acid composition of two analogs of Martian soil, JSC Mars-1 and Salten Skov. A Mars simulation chamber has been built and used to expose samples of these analogs to temperature and ...
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(2003)In the early morning hours of December 13, 2002, a bright Geminid fireball with an absolute magnitude of −9.2 ± 0.5 was observed from Southern Saskatchewan, Canada. The fireball displayed distinct small-scale oscillations ...
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(2003)Based on experimental observations and theoretical analyses, the author introduces an ideal microcrack model in which an array of cracks with the same shape and initial size is distributed evenly in rocks. The mechanism ...
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(2006)We perform analytical and numerical studies of aftershock sequences following abrupt steps of strain in a rheologically layered model of the lithosphere. The model consists of a weak sedimentary layer, over a seismogenic ...
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(2006)Modelling of gravity and airborne magnetic data integrated with seismic studies suggest that the linear gravity and magnetic anomalies associated with Moyar Bhavani Shear Zone (MBSZ) and Palghat Cauvery Shear Zone (PCSZ) ...
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(2003)The aim of analogue model experiments in geology is to simulate structures in nature under specific imposed boundary conditions using materials whose rheological properties are similar to those of rocks in nature. In the ...
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(2001)An inverse Monte Carlo (MC) method was developed to determine the distribution of octahedral cations (Al3+, Fe3+, and Mg2+) in bentonite illite–smectite (I–S) samples (dioctahedral 2:1 phyllosilicates) using FT–IR and 27Al ...
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(2006)The kinematic field of central western Europe is characterized by relatively small movements (around 1-2 mm/year) and diffuse seismicity with earthquakes occurring mostly in the shallow crust (within 15 km), prevalently ...
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(2003)The results of the study of cores from the Nyurol'skaya Basin with electron paramagnetic resonance (EPR) are discussed. Judging from relationship between the V and C concentrations in the cores, the rocks are composed of ...
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(2001)Cyclodextrin GC stationary phases, well documented for their superior isomeric separation capabilities, have been investigated in the separation of crocetane (2,6,11,15-tetramethylhexadecane) and phytane (2,6,10,14-tetra ...
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(2003)Two methods have been developed in this paper to model the strain state and the layer geometry of folds. These methods analyse the superposition of strain patterns due to layer shortening, tangential longitudinal strain, ...
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(2004)This paper presents relative secular variations of the total intensity of the geomagnetic field against a background of results of magnetic anomaly interpretation along seismic profile P4. Profile P4 crosses a Variscan ...
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(2006)Catchment scale sediment budgeting models are increasingly being used to target remediation works aimed at controlling erosion and improving water quality. Gully erosion is often a major sediment source and needs to be ...
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(2002)A critical problem for conducting quantitative analysis of individual fluid inclusions using Synchrotron X-Ray Fluorescence (SXRF) technique relates to the standardization and the calibration of the X-ray spectra. In this ...
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(2002)The acquisition of isothermal remanent magnetization (IRM) curves through the application of stepwise-increasing uniaxial fields to a rock-magnetic sample provides an important non-destructive tool for the investigation ...
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(2001)The discovery of hydrocarbon reservoirs in Upper Jurassic sediments in the central part of the Krasnoleninsk arch required stratification of these deposits and separation of its oil reservoirs; correlation of their sections ...
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(2006)We report techniques for in-situ abundance measurements of the light-lithophile elements (LLE; Li, Be, and B) in silicate glasses by laser-ablation inductively coupled mass spectrometry (LA-ICP-MS), and compare the analytical ...
Now showing items 1325-1344 of 26297