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Browsing ELibrary by Title
Now showing items 8750-8769 of 21768
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(1989)With the composition of the Paleozoic crossopterygian fishes, the Rhipidistia, three orders are now distinguished: the Osteolepidida and Rhizodontida, On the basis of an analysis of these materials and a comparison of ...
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(2003)The form of parabolic lines and caustics in homogeneous generally anisotropic solids can be very complicated, but simplifies considerably in homogeneous weakly anisotropic solids. Assuming sufficiently weak anisotropy, no ...
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(2002)The climatic consequences of major increases in the concentration of atmospheric carbon dioxide were calculated over 100 years ago, but only during the last two decades have the effects of human-induced increases in various ...
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(2001)Mineral parageneses can be quantitatively analyzed now with computer programs and thermodynamic databases for minerals and aqueous solution species using D.S. Korzhinskii's theory. The procedure reduces such analysis to ...
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(2006)Parageorgbokiite, p-Cu502(Se03)2Cl2, was found in the 2nd cinder cone of the great fissure Tolbachik eruption (Kamchatka peninsula, Russia). The mineral occurs in association with ralstonitc, tolbachitc, melanothallite, ...
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(2004)We carried out reversed piston-cylinder experiments on the equilibrium paragonite = jadeite + kyanite + H2O at 700C, 1.5–2.5GPa, in the presence of H2O-NaCl fluids. Synthetic paragonite and jadeite and natural kyanite were ...
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(1998)Investigation results on ammonites, belemnites, and dinoflagellate cysts from Bathonian and Callovian deposits in the North Pechora region are used to elaborate the detailed stratigraphy and to correlate these deposits in ...
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(2004)The separation of paramagnetic and ferromagnetic anisotropy of magnetic susceptibility (AMS) is achieved in this study by using a vibrating sample magnetometer and a torque magnetometer performing directional anisotropy ...
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(1996)We present results of static lattice energy and vibrational energy calculations for the 12 garnet end-members in the system (Ca,Mg,Mn,FeMAl,Cr,Fe)2Si3012' The structure of the end-member phases was first simulated with the ...
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(2001)The methods of parameterization of sub-grid effects and their effectiveness are investigated using a distributed physically-based model of the hydrological cycle for two river basins situated in the steppe-forest zone of ...
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(2002)In the monitoring of local seismicity the occurrence of many explosions poses two types of severe practical problems: (1) Such recordings add significantly to the analyst's workload, and (2) in extreme cases they pollute ...
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(2003)Shortly after his appointment to the first geophysical professorship (1895 at the Jagiellonian University of Cracow), Rudzki had published two papers in which he made a strong case for anisotropy of crustal rocks [Beitr. ...
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(2001)The parametrized shooting method is extended to 3-D seismic ray tracing in a spherical earth with discontinuities. A shooting vector at a seismic source is iteratively updated by using numerical integrals of several variables ...
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(2003)На основе изучения онтогенеза раковин рода Tumaroceras из его состава выделен новый род Paratu-maroceras с типовым видом P. ruzhencevi sp. nov. Приведено описание новых таксонов.
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(2003)Based on the ontogeny of the genus Tumaroceras, a new genus Paratumaroceras, with the type species P. ruzhencevi sp. nov., is proposed. New taxa are described.
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(2004)По находке черепа на местонахождении Баин-Дзак (Монголия) описана ископаемая ящерица Parauromastyx gilmorei gen. et sp. nov. Наряду с позднемеловым Isodontosaurus gracilis Gilmore, 1943 и рядом проблематичных палеогеновых ...
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(2004)A new Late Cretaceous lizard, Parauromastyx gilmorei gen. et sp. nov., is described on the basis of a skull from the Bayn-Dzak locality (Mongolia). The new lizard along with Late Cretaceous Isodontosaurus gracilis Gilmore, ...
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(2003)Paravinogradovite is a new mineral species from Mount Kukisvumchorr, Khibina alkaline massif, Kola Peninsula, Russia. Paravinogradovite forms prismatic crystals elongate along [100] and up to 0.5-1.0 cm long; crystals in ...
Now showing items 8750-8769 of 21768