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Browsing ELibrary by Title
Now showing items 5776-5795 of 21638
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(2003)The water retention properties of a calcareous soil containing rock fragments have been determined in the laboratory thanks to pressure plate measurements done on both the fine earth and the rock fragments from the soil. ...
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(2003)The daily GPS height series of the Medicina station were analyzed for the period July 1996-September 2001. The station is located in the middle Po Plain on fine-grained alluvial deposits. A seasonal oscillation in the order ...
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(1996)In a earlier paper (Su and Harsh, 1994), we presented a free energy of formation for imogolite based on solubility studies and including a formation constant for a monomeric, soluble aluminosilicate complex (Browne and ...
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(1997)Ligand-controlled dissolution of δ-Al2O3 and goethite in the presence of 8-hydroxyquinoline-5-sulfonate (HQS) has been observed as a function of the solution saturation state at constant pH and temperature. A continuous ...
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(1999)Metals sorbed to or coprecipitated with ferrihydrite can significantly inhibit transformation to more crystalline endproducts. We hypothesized that metals with a higher stability constant for a metal-ferrihydrite surface ...
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(2002)The influence of strain rate on the buckle folding behavior of an elasto-viscous layer-matrix model is explored by adopting an end-rotation method, which is capable of excluding the influence of initial geometric perturbation, ...
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(2003)The east margin of the Siberian craton is a typical passive margin with a thick succession of sedimentary rocks ranging in age from Mesoproterozoic to Tertiary. Several zones with distinct structural styles are recognized ...
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(2003)Adsorption on iron oxide surfaces controls, to a considerable extent, the mobility of trace elements in sediments and soils. The isotope 90Sr, which is produced in the nuclear reaction of uranium fission, is among the most ...
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(2004)This paper reports the results on the influence of temperature (between 20 and 80 °C) on some hydro-mechanical properties of a compacted bentonite. The water retention capacity at higher temperature, both in confined and ...
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(2003)Thermal modeling down to great depth, e.g. down to the Mohorovicic discontinuity, requires representative values of thermal conductivity and thermal capacity at an appropriate depth. Often there is a lack of data, especially ...
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(2003)New experimental data are presented for the solubility of metal chlorides in magmatic melts of various compositions at relatively low pressure. The effect of the concentrations of major elements on chlorine solubility was ...
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(2001)The responses to human perturbations of the biogeochemical cycles of carbon (C), nitrogen (N), and oxygen (O) in the global coastal ocean were evaluated using a process-based model. In this model, the global coastal ocean ...
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(2004)This study presents a mathematical formalism describing diffraction effects from periodic and mixed-layer minerals in which the outer surface layers of crystals differ from layers forming the core of the crystals. XRD ...
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(2001)Numerical predictions are compared with the results obtained from sandbox experiments intended to reproduce the effects of uniform basement extension. For mechanically homogeneous or uniformly layered sediments that are ...
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(2003)The cover provided by forest vegetation makes it possible to fight erosion efficiently. Furthermore, vegetation barriers can also play a major role by trapping eroded sediments and thus vegetation located downslope of a ...
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(2001)Reserves of natural bitumen are very large in Russian Federation. However, difficulties have been noted during production of the natural bitumen with the use of wells. Single thermal action on bitumen seam is not efficient. ...
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(2003)The influence in space and time of viscous layers on the deformation pattern of brittle layers is investigated using wet clay/silicone putty analogue models in extension. Brittle and brittle-viscous experiments at various ...
Now showing items 5776-5795 of 21638