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Now showing items 11774-11793 of 39124
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(2002)We discuss the structure of the continental lithosphere, its physical properties, and the mechanisms that formed and modified it since the early Archean. The structure of the upper mantle and the crust is derived primarily ...
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(PANGAEA, 2005-07-02)
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(PANGAEA, 2003-11-13)
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(2000)LaCrO3 thin films were successfully prepared at lower temperatures by the sol-gel process based on organic chelating precursors. The formation and transition of the gel derived from the chelate solution were analyzed by ...
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(1998)Theoretical relations were derived for the time of geomagnetic precursors as a function of epicentral distance and earthquake magnitude. Theoretical curves fit observation data fairly well.
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(Федеральное государственное автономное образовательное учреждение высшего образования «Сибирский федеральный университет», 2017)The use of remote sensing data based on specialized algorithms for processing of thermal images of Earth’s surface in conjunction with the geological and geophysical data simplifies the allocation of oil-bearing geological ...
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(2003)At present, mainly kinematic records are processed by wave refraction method [2, 3]. Usually, refracting boundaries and velocities (boundary, stratal, and average) are shown on the seismic profiles. Dynamic peculiarities ...
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(PANGAEA, 2015-05-12)Thawing-induced cliff top retreat in permafrost landscapes is mainly due to thermo-erosion. Ground-ice-rich permafrost landscapes are specifically vulnerable to thermo-erosion and may show high degradation rates. Within ...
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(1990)A matematical model is given of the formation of phreatic explosions in lava flows coming into contact with ice formations. Quantitative characteristics are derived for the various stages in the development of the explosion; ...
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(2002)We have determined the production yields for radionuclides in Al2O3, SiO2, S, Ar, K2SO4, CaCO3, Fe, Ni and Cu targets, which were irradiated with slow negative muons at the Paul Scherrer Institute in Villigen (Switzerland). ...
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(2003)We study how the production rates of cosmogenic nuclides in solid targets at the Earth's surface depend on the shape and size of a sampled rock and the position of a sample. We use a physical model simulating the interaction ...
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(2003)The anthropogenic production of greenhouse gases and their consequent effects on global climate have garnered international attention for years. A remaining challenge facing scientists is to unambiguously quantify both ...
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(2002)The laboratory analyses of cosmic dust analogues—that in the context of this paper include interstellar, circumstellar as well as cometary dust—have a critical role in the study of circumstellar and cometary dust. The ...
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(2002)Noble gases within the crust originate from three main sources: the atmosphere, introduced into the crust dissolved in groundwater; the mantle, in regions of magmatic activity; and those produced in the crust by the result ...
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(1997)This work aims to highlight the relationship between primary productivity, sulphate reduction and organic carbon preservation in cyclic marine sediments from the Kimmeridge Clay Formation. A concomitant increase of the ...
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(PANGAEA, 1990-04-04)Isotopic analysis of organic matter from bottom sediments and soft tissues of bivalve Conchocoele from a community near the gas-hydrate seep off the Paramushir Island indicates that the intramolecular energy of energy-rich ...
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(1999)Stress during volcanic crises is high, and any friction between scientists can distract seriously from both humanitarian and scientific effort. Friction can arise, for example, if team members do not share all of their ...
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(PANGAEA, 2012-07-26)We investigated gas bubble emissions at the Don-Kuban paleo-fan in the northeastern Black Sea regarding their geological setting, quantities as well as spatial and temporal variabilities during three ship expeditions between ...
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(1996)Cross sections of two Mercenaria mercenaria shells, one modern and one Pleistocene, and one modern Spisula solidissima shell were analyzed for trace metals using laser ablation-inductively coupled plasma-mass spectrometry ...
Now showing items 11774-11793 of 39124