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ELibrary: Recent submissions
Now showing items 2821-2840 of 23306
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(2005)Палеобиогеография является весьма эффективным инструментом палеогеографических и палеогеодинамических реконструкций. Приводятся правила классификации, номенклатуры и описания биогеографических единиц (биохорем), предложенные ...
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(2005)α-amylase was immobilized on acid-activated montmorillonite K-10 via adsorption and covalent linkage. The immobilized enzymes were characterized by X-ray diffraction (XRD), surface area measurements, 27Al nuclear magnetic ...
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(2005)Within the large and comprehensive group of oxide minerals, the most relevant subgroup in the frame of microporous materials is that of the so-called “tunnel oxides.” This rather generic term historically refers to a number ...
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(2005)The presence of water in the Earth's mantle has wide ranging implications and a detailed picture of the spatial and temporal distribution of water in the mantle is needed to be able to understand fundamental global-scale ...
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(2005)The high sensitivity of the satellite-transition (ST) MAS NMR technique was exploited to obtain high-resolution 17O MAS NMR spectra of the three polymorphs of Mg2SiO4: forsterite (α-Mg2SiO4), wadsleyite (β-Mg2SiO4), and ...
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(2005)The anhydrous phase relations of an uncontaminated (primitive), ferropicrite lava from the base of the Early Cretaceous Paraná-Etendeka continental flood basalt province have been determined between 1 atm and 7 GPa. The ...
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(2005)Atomic force microscopy (AFM) and Derjaguin-Landau-Verwey-Overbeek (DLVO) theory in combination with the interaction force boundary layer (IFBL) model have been used to empirically and theoretically calculate sticking ...
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(2005)Solubility mechanisms of water in depolymerized silicate melts quenched from high temperature (1000°-1300°C) at high pressure (0.8-2.0 GPa) have been examined in peralkaline melts in the system Na2 O-SiO2-H2O with Raman ...
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(2005)A series of natural sphalerite samples, characterized by an inhomogeneous (zonal) distribution of Fe, Mn, and Cd atoms substituting for Zn, has been investigated by electron probe micro analysis and X-ray element distribution ...
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(2005)Liquid and supercritical H2O, the most abundant and important non-crystalline component in rock forming processes, is assumed to exhibit continuous PVT behaviour at high pressures and temperatures. However, a number of ...
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(2005)The main magnetic field of the Earth is generated and maintained by convective motions in the fluid outer core. Temporal field variations occur on an impressive variety of scales, ranging from months to millions of years. ...
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(2005)Kaolinite was intercalated with n-hexylamine, n-octadecylamine and n-docosanamine, using methanol-kaolinite as the precursor. The intercalation compound with n-docosanamine presented the largest basal spacing for a kaolinite ...
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(2005)A 3D, static fracture mechanics model of earthquake rupture that incorporates cohesive end zones (CEZs), or zones of increased frictional strength, is tested to determine whether it helps to understand the observed scaling ...
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(2005)Polycyclic aromatic hydrocarbons (PAHs) with a hydrous or an unhydrous mineral matrix were impacted and analyzed, to study the behavior of PAHs against shock. Results of the shock experiments suggested that volatiles ...
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(2005)This study performed equilibrium experiments in order to evaluate previously proposed formulations of the garnet (Grt)-clinopyroxene (Cpx) thermometer as applied to eclogites. The starting material is fine-grained powder ...
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DEHYDROXYLATION AND CO2 INCORPORATION IN ANNEALED MICA (SERICITE): AN INFRARED SPECTROSCOPIC STUDY (2005)Dehydroxylation and incorporation of CO2 in mica (sericite-2M1) during high-temperature annealing has been investigated in detail using infrared (IR) spectroscopy. The dehydroxylation is characterized by a dramatic change ...
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(2005)Iron is the most abundant element on Earth and the most frequently utilized transition metal in the biosphere. It is a component of many cellular compounds and is involved in numerous physiological functions. Hence, iron ...
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(2005)The concentration and distribution of Pt and Au in a fluid-melt system has been investigated by reacting the metals with S-free, single-phase aqueous brines (20, 50, 70 wt% eq. NaCl) ± peraluminous melt at a confining ...
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(2005)Time-resolved U(VI) laser fluorescence spectra (TRLFS) were recorded for a series of natural uranium-silicate minerals including boltwoodite, uranophane, soddyite, kasolite, sklodowskite, cuprosklodowskite, haiweeite, and ...
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(2005)We carried out an experimental study to characterize the kinetics of Ostwald ripening in the forsterite-basalt system and in the plagioclase (An65)-andesite system. Eight experiments were done in each system to monitor the ...
Now showing items 2821-2840 of 23306