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Now showing items 13902-13921 of 39381
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(1987)Reflection shooting in the modified form of deep seismic sounding by the common-depth-point method (DSS-CDP) has recently been increasingly employed to study the structure of the crust and upper mantle. DSS-CDP surveys ...
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(1994)Cooling of magmatic intrusions within the upper crust is associated with convection and crystallization. A one-dimensional crystallization model, with sedimentation, in the upper boundary layer is presented. The sedimentation ...
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(1989)The crust and upper mantle in northern Siberia near the Yenisey River were studied on the Dikson-Khilok profile of deep seismic sounding. Geologic and geophysical interpretation of all available data allowed us to map the ...
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(2001)The crystal structure of astrophyllite K2Na(Fe, Mn, Mg,□)7[Ti2(Si4O12)2|O3](OH, F)4 has been refined. The dimensions of the triclinic unit cell are: a = 0.5359(2) nm,b = 1.1614(4) nm, c = 1.1861(4) nm, α= 113.16(2)°, β= ...
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(2001)Structural aspects of natural nanomaterials A large number of mineral species occur only as micron-sized and smaller crystallites. This includes most of the iron and manganese oxyhydroxide minerals, and other species whose ...
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(2003)The high-pressure behavior of rocksalt-structured FeO has been investigated using the LDA + U method, a first-principles computational technique that allows treatment of correlated electrons with strong localized repulsions. ...
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STRUCTURES AND STABILITIES OF CD(II) AND CD(II)-PHTHALATE COMPLEXES AT THE GOETHITE/WATER INTERFACE (2005)The complexation of Cd(II) and Cd(II)-phthalate at the goethite/water interface were investigated by EXAFS and IR spectroscopy, by batch adsorption experiments and by potentiometric titrations at 298.15 K. The EXAFS spectra ...
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(2003)The Donbas Foldbelt is part of the Prypiat–Dnieper–Donets intracratonic rift basin (Belarus–Ukraine–southern Russia) that developed in Late Devonian times and was reactivated in Early Carboniferous. To the southeast, the ...
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(2002)The structures of prismatic (100) and pyramidal (101) growth faces of natural quartz crystals, and their modification upon annealing at T =< 400°C were investigated ex situ by atomic force microscopy (AFM) and in water by ...
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(1997)The mechanism of faulting is examined with reference to traditional models, and a model of the physical mechanisms of faulting in a hierarchically structured roughly heterogeneous geological medium is presented. The study ...
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(2002)Some analyses are carried out with regard to canopy interception processes during rainfall events based on a tank model. A hypothesis, rainfall interception rate is proportional to the product of potential evaporation and ...
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(2003)The AlOx1-3 (Ox = oxalate) species were identified in 0.6 M aqueous NaCl by 13C nuclear magnetic resonance (NMR). Rate constants and activation parameters for intramolecular cis/trans isomerization of the Werner-type AlOx2- ...
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(2006)Satellite measurements cannot provide the appropriate monitoring of space and time geomagnetic secular variations as data from magnetic observatories are not properly taken into account. With the rare regional network of ...
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(1988)Three seismographic stations have been established in the region of the principal underground nuclear weapons test site in the republic of Kazakhstan in the Soviet Union. Instrumentation includes both surface and borehole ...
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(PANGAEA, 2016-03-08)
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(1984)Analysis of paleomagnetic variations along parallel sections across the Holocene soil-pyroclastic cover of Ма1уĭ Semyachek Volcano in Kamchatka has shown that directions of magnetization were similar during а period of 350 ...
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(Gordon and Breach Science Publishers S.А. and OPA Ltd., 1984)
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(2004)This article is a short review concerning the knowledge of petrographic compositions and origins of the diverse age coals in the eastern Ukraine regions, i.e. the Carboniferous age coals of the Dnieper–Donets Basin and the ...
Now showing items 13902-13921 of 39381