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Browsing ELibrary by Title
Now showing items 12122-12141 of 21934
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(2002)This work reports on the evaluation of the electric field gradient (efg) in synthetic fayalite α-Fe2SiO4 using three different procedures: (1) experimental, with single-crystal Mossbauer spectroscopy (SCMBS) on the three ...
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(1985)Electrical conductivity of the following molten silicate systems (in mol%): 60SiO2-40Na2O; 65SiO2-35Na2O; 75SiO2-25Na2O; 78SiO2-22Na2O; 72SiO2-24Na2O-4CaO; 66SiO2-19Na2O-15H2O; and an anhydrous and hydrous (4 wt% H2O) Mt. ...
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(2003)The ELF electron localization function was used to locate regions ascribed to localized nonbonding electrons as favorable docking sites for hydrogen atoms in coesite, quartz, and stishovite. A mapping of the function for ...
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(2001)Arid and semi-arid environments are important sources for the atmospheric loading of PM10 (particulate matter <10 μm), although the emission of this material is often limited by surface crusts. study investigates and ...
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(2002)The enthalpies of drop solution in lead borate (2PbO·B2O3) of four Mg-staurolite samples, synthesized at 720°C and pressures between 2 and 5 GPa, were measured by high-temperature oxidemelt calorimetry at 702°C. Staurolite ...
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(2004)The Bartonian Age of subtropical small-leaved fossil flora from green clay members of the Tavda Formation, the Pavlodar area near Irtysh River, is substantiated for the first time based on dinocysts detected in outcrops ...
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(2005)The three-dimensional velocity structure of upper crust in the epicentral area of the Chuya earthquake was imaged using traveltimes of P and S waves from aftershocks. The northeastern part of the area including the territory ...
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(1997)Unit-cell parameters of magnesite have been measured to high precision between 0 and 7 GPa using single-crystal X-ray diffraction. The isothermal bulk modulus of magnesite determined from fitting a Birch-Murnaghan third-order ...
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(1998)The velocity of sound in liquid water has been measured as a function of temperature and pressure in the heated diamond-anvil high-pressure cell. The equation of state is determined at temperatures up to 200°C and pressures ...
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(2002)Dynamically recrystallized and sutured quartz grains from metamorphic rocks with different strain intensities and temperature conditions ranging from ca. 350°C to ca. 700°C have been studied. Universal-stage measurements ...
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(2003)The equilibrium form of the Earth is generally computed using a hydrostatic theory that assumes a rotating, inviscid planet. We compute the perturbation to this equilibrium form due to the presence of a thin elastic ...
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(2004)Large-scale Permian-Triassic magmatism of northern and central Asia has been recently proved to be of plume origin. Based on these concepts, the present paper considers a possible relationship between the evolution of the ...
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(2004)This article provides evidence for the existence of a Eurasian transregional latitudinal lineament. This lineament, 40-100 km wide, extends along 52° N from the Warsaw area to Sakhalin Island between 24° and 146° E over ...
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(1999)Long periodic geodynamic processes with durations between 150 and 600 Million years appear to be in phase with similar galactic cycles, caused by the path of the solar system through the spiral arms of the Milky Way. This ...
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(2002)Changes in the shell morphology (shell shape, size, ornamentation, and suture) of the genus Uraloceras in the Sakmarian and Kungurian are analyzed. The dynamics of species diversity within this genus and its spatial ...
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(2004)Groundwaters, river and lake waters have been sampled from the semi-arid Siberian Republic of Khakassia. Despite the relatively sparse data set, from a diversity of hydrological environments, clear salinity-related trends ...
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(2003)We review observations of bubble size distributions (BSDs) generated during explosive volcanic eruptions and laboratory explosions, as inferred from vesicle size distributions found in the end products. Unimodal, polymodal, ...
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(2000)The authors of this paper discuss the specific geological structure and structural evolution of dome- and shear-type structural features in the region northwest of the Onega Lake. These structural features are associated, ...
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(1999)Numerical modeling of the evolution of plume beneath continental lithosphere with drastic variations in thickness is performed. It is shown that plume beneath continental lithosphere behaved differently than that beneath ...
Now showing items 12122-12141 of 21934