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Browsing Геология России by Title
Now showing items 3175-3194 of 39126
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(2003)Representing seismic waves numerically by, for example, the discrete wavenumber method, we normally decompose waves into P -SV and SH components. This scheme, however, cannot treat the exactly vertically travelling S -wave ...
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(PANGAEA, 2011-01-21)Data on the zooplankton community structure, gut evacuation rate and carbon content of zooplankton faecal pellets were used for assessing the contribution of zooplankton to vertical carbon fluxes in the White and Kara Seas. ...
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(2004)We present here the first comprehensive study of the chemical composition of accretion ice from Lake Vostok. Ion chromatographic analyses were performed on samples obtained along the deeper part of the Vostok ice core. ...
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(2002)This short paper shows that different choices made for control functions of information in hydrodynamic flow problems can have significant implications for interpretations of the system. Using as a simple illustration the ...
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(2003)When using 36Cl to date very old groundwater in regional aquifer systems, knowledge of the subsurface 36Cl input into the aquifer system is essential. Although 36Cl can be produced through nuclear reactions in the subsurface, ...
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(PANGAEA, 2015-06-12)The sampling area was extended to the Western-South area off the Black Sea coast from Kaliakra cape toward the Bosforous. Samples were collected along four transects. The whole dataset is composed of 17 samples (from 10 ...
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(2002)We show that folding of a non-Newtonian layer resting on a homogeneous Newtonian matrix with finite thickness under influence of gravity can occur by three modes: (1) matrix-controlled folding, dependent on the effective ...
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(IOP Publishing, 2017)Performance indicators in underground mining of thick iron fields can be insufficient since geo-mechanic specifics of ore-hosting fields might be considered inadequately, as a consequence, critical deformations and even ...
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(2001)Opportunities for controlling the stressed state of underground structures have been considered. It has been shown that method of oriented fluid break is efficient technique of control. Physical and mathematical models of ...
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(2003)Gravity driven mass-flow deposits proven by sedimentary and digital echosounder data are indicative for prevailing dynamic sedimentary conditions along the continental margin of the western Argentine Basin. In this study ...
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(1998)An important control on river biogeochemistry and sediment load is the process of water exchange between primary channels and the flood plain, particularly in low-relief areas containing lakes, ephemeral channels, and other ...
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(1996)Magnetotactic bacteria produce two general types of minerals as the mineral phases of their magnetosomes: iron oxides and iron sulfides. The iron oxides include only ferrimagnetic magnetite (Fe3O4) and the iron sulfides, ...
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(2001)New controlled pneumatic punch machine has been developed. Design of production prototype of the punch machine has been described. It has been tested under field conditions. Results of the tests have been presented. Efficient ...
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(2002)The time-domain surface electric fields produced by a step current in collocated grounded sources can be represented by an apparent resistivity tensor defined by the relationship between the measured (time-varying) electric ...
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(2001)In a laboratory experiment, different iron salts (FeCl2, FeCl3, FeSO4) and Fe2O3 were added to a phosphate enriched silty loam sediment in order to study their effect on phosphate mobilisation. Phosphate concentrations in ...
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(2004)Dissolution experiments were conducted on {1014} cleavage faces of calcite at various under-saturations to determine how the saturation state controls etch pit formation. Experimental observations were made by using in ...
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(2004)Postseismic deformation is well documented in geodetic data collected in the aftermath of large earthquakes. In the postseismic time interval, GPS is most sensitive to creep in the lower crust or upper mantle activated by ...
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(2005)Alkenone unsaturation ratios of sedimentary lipids are used as a geochemical proxy for sea surface temperatures, and interest is growing in their potential as indicators of different water masses and possibly of salinity. ...
Now showing items 3175-3194 of 39126