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ELibrary: Recent submissions
Now showing items 2861-2880 of 23306
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(2005)The present study compares the dissolution rates of plagioclase, microcline and biotite/chlorite from a bulk granite to the dissolution rates of the same minerals in mineral-rich fractions that were separated from the ...
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(2005)A conceptual model of CO2 injection in bedded sandstone-shale sequences has been developed using hydrogeologic properties and mineral compositions commonly encountered in Gulf Coast sediments. Numerical simulations were ...
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(2005)A refined Avrami method, that assumes that the activation energy is a function of reaction extent y, was used to analyze the kinetics of the exsolution of pentlandite from mss/pyrrhotite (bulk composition, (Fe0.77Ni0.19)S) ...
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(2005)The results of a detailed study on mineralogy, chemistry, and the carbon and oxygen isotopes of two exotic Krymka carbonaceous xenoliths are presented in this article. The investigated xenoliths are metamorphosed and shocked ...
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(2005)Using laser-heated diamond-anvil cells, we have observed CaSO4 undergoing phase transitions from its ambient anhydrite structure to the monazite type, and at highest pressure and temperature to crystallize in the barite-type ...
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(2005)The extent of fractionation of sulfur (S) isotopes during precipitation of basaluminite and alunite in supersaturated Al2 (SO4)3 solutions was determined in a laboratory synthesis experiment. An acid 0.05 M Al2 (SO4)3 ...
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(2005)The conductivity of eutectic NaOH-KOH melt at 350°C during synthesizing BaTiO3 from TiO2 and BaCO3 and the conductivity of eutectic LiCl-KCl melt at 600°C during synthesizing Bi2Ti2O7 from Bi2O3 and TiO2 were measured ...
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(2005)To ensure the long-time stability of the terrestrial reference system with an accuracy of 10-9 in the global and continental scale, the interactions between different time-dependent influences of the system Earth to the ...
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(2005)α-Cellulose was isolated from four samples of Scots pine (Pinus sylvestris L.). Each sample was divided into two portions. One portion had the resins removed by solvent extraction prior to removal of lignins by treatment ...
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(2005)In the study of selective precipitate copper slag treating process, carbon powder was added into slag and stir with inertia gas, viscosity of slag reduced so as to accelerate copper deposition. Relationship between content ...
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(2005)The paper presents examples illustrating the current blind predictive capabilities of the diffuse double layer model (DDLM) as the model requiring the smallest set of parameters and thus being most suitable for substituting ...
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(2005)For better understanding the adsorption of rare earth elements (REEs) by clay minerals and its controlling factors, the experiments on adsorption of REEs in solutions with 1 g·L-1 kaolinite were performed at different ...
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(2005)Sorption edges and isotherms for Eu(III) uptake on Ca-montmorillonite and Na-illite in 0.066 mol/L Ca(C1O 4) 2 and 0.1 mol/L NaC1O 4 background electrolytes, respectively, were modelled using a quasi-mechanistic sorption ...
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(2005)The source terms arising from radioactive/toxic metal waste repositories will contain a multitude of dissolved metal species, as do natural systems. The influence of sorption competition on the uptake of safety-relevant ...
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(2005)The solubility and incorporation mechanisms of H and various trivalent and divalent cations in synthetic rutile have been investigated. Experiments performed using different bulk Fe2O3 contents demonstrate that Fe3+ ...
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(2005)The search for extraterrestrial life was recently intensified because of new space missions. As long as life has not been found elsewhere in the universe, the best chances to discover extraterrestrial life are considered ...
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(2005)Locally diffusive, radiative heat transport inside the earth is represented by an effective thermal conductivity (krad,dif), calculated from spectra. Previous geophysical models assumed that emissivity (ξ) equals unity, ...
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(2005)High pressure optical and near infrared spectra of a single crystal of ringwoodite with composition (Mg0.90Fe0.10) 2SiO4 were measured to 21.5 GPa. The spectrum at ambient pressure shows a strong band at 12 265 cm-1 with ...
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(2005)Wavelet coherence analysis is defined and used to analyze the relationships between Length-Of-Day (LOD) variations and El Niño-Southern Oscillation (ENSO) on interannual scales. Using the newest observation data, this study ...
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MUD VOLCANOES AND MICROSEEPAGE: THE FORGOTTEN GEOPHYSICAL COMPONENTS OF ATMOSPHERIC METHANE BUDGET (2005)Mud volcanoes and microseepage are two important natural sources of atmospheric methane, controlled by neoritectonics and seismicity. Petroleum and gas reservoirs are the deep sources, and faults and fractured rocks serve ...
Now showing items 2861-2880 of 23306