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Browsing ELibrary by Title
Now showing items 5570-5589 of 21934
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(2001)We describe a technique for on-line reduction of water vapor carried in a He stream followed by continuous-flow mass spectrometry of evolved H2 gas. This technique is appropriate for analysis of D/H ratios of ~10-9 to ~5 ...
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(2001)Use of a simple, disposable apparatus allows the measurement of 2H/1H ratios in small quantities of potentially toxic organic materials without the release of hazardous compounds. The apparatus consists of welded nickel ...
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(2006)Based on results of studying the geochemistry and gold distribution of groundwaters in the Egor'evskoe gold-bearing area, a mechanism of gold mobilization, migration, and accumulation in mountain-forest landscape is proposed. ...
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(1989)The geotechnology of metals is a method of extracting them that involves solution of the useful ore components on site, either at the surface or underground, with subsequent industrial processing of the enriched solution. ...
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(2004)The results of a geochemical study of groundwater in the area of dawsonite mineralization are reported. Sodic bicarbonate groundwater with pH 7.3-9.2 and a salinity of 0.4-7.2 g/l occurs in this area. The equilibrium of ...
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(1989)We studied the fluorine distribution in hydrogeochemical dispersion halos of a cryolite-bearing rare-metal deposit of quartz-albite-microcline metasomatite association near a fault. We have established for the first time ...
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(2001)The Kamchatka peninsula, located in the far East of Russia, is characterised by frequent and strong seismic activity (magnitudes up to 8.6). For many years, samples for hydrogeochemical analyses have been collected with a ...
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(2003)The hydrogeochemical characteristics and zonation of the permafrost zone in the central part of the Yakutian diamond-bearing province formed mainly under the influence of cryogenic processes that occurred in the late ...
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(2002)Gas content in coal is not fixed but changes when equilibrium conditions within the reservoir are disrupted. Therefore, gas content distribution in coal varies laterally within individual coal beds, vertically among coal ...
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HYDROGEOLOGIC MODELING OF SUBMARINE GROUNDWATER DISCHARGE: COMPARISON TO OTHER QUANTITATIVE METHODS (2003)Submarine groundwater discharge (SGD) is approached differently by terrestrial hydrogeologists and marine scientists, including whether to incorporate recirculated seawater with freshwater in the definition. This paper ...
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(2004)Large-scale tectonomagmatic complexes are common on Earth and Mars. Many of these complexes are created or at least influenced by mantle processes, including a wide array of plume types ranging from superplumes to mantle ...
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(1988)Hydrogeologic indications of recent movements of the Earth's crust in two regions of North Tian-Shan have been studied. Comparison of ground-water level changes and variations of recent vertical movements according to ...
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(2003)This study reviews the up-to-date hydrogeological contribution of the new, geophysical magnetic resonance sounding (MRS) method and presents new interpretation ideas and potential regarding various hydrogeological applications. ...
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(1988)In November 1966, geologists discovered a large anticlinal fold in the vicinity of the Sol'-Iletskiy swell which overlaps the northern flank of the Caspian Basin. This tectonic feature subsequently became widely known, ...
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(2001)The hydrologic uncertainty processor (HUP) is a component of the Bayesian forecasting system (BFS) which produces a short-term probabilistic river stage forecast (PRSF) based on a probabilistic quantitative precipitation ...
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(2001)Good quality hydrologic data are required to develop and calibrate simulation models, which are often used to plan, design and upgrade urban stormwater drainage systems. These good quality data can be obtained from a ...
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(2004)Neptunium is one of the few radioactive elements that are of great concern in the disposal of nuclear wastes in the geological repository, due to its hazards and the long half-life of the isotope, 237Np (t 1/2 = 2.14 × 106 ...
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(2003)The hydrothermal transformation of 2-line ferrihydrite into hematite proceeds slowly if a sufficient quantity of some strongly adsorbing ligand. such as phosphate or citrate, is sorbed on the starting product. In this work, ...
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(1989)Hydromagnetic diagnosis, a method of determining the status of the periterrestrial medium from observations of hydromagnetic fields originating in space, and magnetotelluric sounding of the crust, a method of geological ...
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(2003)Earth's porous crust and the fluids within it are intimately linked through their mechanical effects on each other. This paper presents an overview of such "hydromechanical" coupling and examines current understanding of ...
Now showing items 5570-5589 of 21934