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Browsing ELibrary by Title
Now showing items 11094-11113 of 21768
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(2005)Natural Mn-oxide nanoparticles and grain coatings are ubiquitous in the environment and profoundly impact the water quality and quality of sediments through their ability to degrade and sequester contaminants. These oxides, ...
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(2002)Single crystals of C-Na2Si2O5 have been synthesized from the hydrothermal recrystallization of a glass. The title compound is monoclinic, space group P2(1)/c with Z = 8 and unit-cell parameters a = 4.8521 (4)Angstrom, b = ...
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(2001)Various one- and two-dimensional high-resolution solid-state NMR techniques have been applied to hydrous silicate and aluminosilicate glasses: simple acquisition, cross-polarization (CP-MAS), heteronuclear correlation ...
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(2003)A continuous high-resolution magnetotelluric (MT) profile 5.4 km long reveals a 1-to 2-km-thick section of Neogene strata thrust beneath a crystalline range front along a gently dipping décollement in the Kyrgyz Tien Shan, ...
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STRUCTURAL CONSTRAINTS OF FERRIC (HYDR)OXIDES ON DISSIMILATORY IRON REDUCTION AND THE FATE OF FE(II) (2004)Due to the strong reducing capacity of ferrous Fe, the fate of Fe(II) following dissimilatory iron reduction will have a profound bearing on biogeochemical cycles. We have previously observed the rapid and near complete ...
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(2002)The location and water chemistry in lakes and springs in the Olkhon region are structurally controlled by Cenozoic faults of two types: i) inherited NE faults that follow the Early Paleozoic syncollisional (late stage) ...
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(2001)CO2 solubility data are presented for a wide range of melt compositions in the following systems: SiO2-Na2O-Al2O3+CO2 (SNA) at 2.0 GPa and 1600°C; SNA+CaO (SNAC) and SNA+MgO+CaO (MSNAC) at 1.5 GPa and 1275-1400°C; and for ...
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(2001)The characteristics of carbonate groups dissolved in silicate glasses have been investigated using FTIR spectroscopy. Glasses of natural melt compositions are compared with simple analogues. This approach allows systematic ...
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(2003)The HP behavior of the natural zeolite yugawaralite and of the synthetic zeolite Na-A was studied by in situ synchrotron X-ray powder diffraction, using a non-penetrating P-transmitting medium. The unit-cell parameters of ...
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(1989)Any significant decrease in volume or thickness of rocks may lead to the formation of weakened zones (decomposition) and subsequent structural deformation. Rock decarbonization as one of the factors controlling the ...
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(2001)Subsolidus phase relations in the plagioclase system are investigated using an Ising-type model. The model treats ordering of Al,Si and Na,Ca cations in three dimensions using a version of the cluster variation method. The ...
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(2001)Both X-ray absorption and diffraction techniques were used to study the structural environment and oxidation state of Mn in goethite-groutite solid solutions, α-MnxFe1−xOOH, with xMn ≤ 0.47. Rietveld refinement of X-ray ...
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(1995)Three main structural units are recognized in the Archean granito-gneissic basement of eastern Finland: (1) a lower unit (Kivijärvi orthogneisses), which is highly migma-tized and characterized by circular and elliptical ...
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(2003)The nature of surface complexes formed on Ni uptake onto montmorillonite (a dioctahedral smectite) has been investigated over an extended time period by polarized extended X-ray absorption fine structure (P-EXAFS) spectroscopy. ...
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(1998)The western Koryak fold and thrust belt consists of a set of tectonostratigraphic terrances that contain units ranging from Lower Palaeozoic to Cenozoic. Three deformational events have been identified in the study area. ...
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(2002)Lake Teletskoye in the northeastern part of the Altai mountain range has attracted the attention of geo-scientists for a long time, because it fills an impressive tectonic depression. The lake is 77 km long and 4 km wide, ...
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(2004)Shock-recovery experiments for obsidian and its fused glass have been carried out with pressure up to 35 GPa. Structural evolution accompanying the shock compression was investigated using X-ray diffraction technique, Raman ...
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(2003)Hybrid Langmuir-Blodgett (LB) films of a single clay layer and a donor-(π-electron system)-acceptor (Dδ-π-Aδ−) zwitterionic molecule (ind-TCNQ), prepared from 1,3,3-trimethyl-2-methyleneindoline (donor) and 7,7,8,8-tetra ...
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(2002)The large number of mica species (end-members) and varieties is based on chemical variability and peculiar structural features like polytypism, local and global symmetry. In addition, mainly because of an inherent misfit ...
Now showing items 11094-11113 of 21768