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Browsing ELibrary by Title
Now showing items 13099-13118 of 21821
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(2000)A simple numerical model for simultaneous optimization of heat capacity at constant pressure, C(P), heat capacity at constant volume, C(V), volume, V, thermal expansion coefficient, α, isothermal, K(T), and adiabatic, K(S), ...
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(2000)An extensive compilation of experimental data yielding the infinite dilution partial molar Gibbs energy of hydration ΔhGO, enthalpy of hydration ΔhHO, heat capacity of hydration ΔhCpO, and volume V2O, at the reference ...
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(1996)Enthalpies of solution have been measured on a series of muscovite—paragonite micas in 20.1% HF at 50°C under isoperibolic conditions. The molar enthalpy of formation of paragonite at 298 K, for which no calorimetrically ...
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(1986)Reversed Na-K exchange data between mica and a 2 molal aqueous (Na,K)Cl fluid (Flux & Chatterjee, 1986) have been employed to model the thermodynamic mixing behaviour of muscovite-paragonite crystalline solutions on the ...
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(2004)Enthalpies of solution have been measured for synthetic glasses in the SiO2–Na2O system from 0 to 50 mol% Na2O. The positive enthalpies of mixing determined for the compositional range between 0 and 33.3 mol% Na2O, combined ...
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(2004)This paper presents the results of calculations of binary and ternary parameters of the Pitzer equation and the thermodynamic potentials of solid phases crystallizing in the water-salt systems that model chloride brines ...
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(1999)A new approach to formulating and solving thermodynamic-modeling problems by the Gibbs-energy minimization under uncertainty of input information has been proposed. The proposed approach is as follows: 1. The effect of the ...
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(2004)Inclusions of quenched silicate liquid in igneous phenocryst phases represent important windows into the pre-eruption chemistry of volcanic rocks. Melt inclusions are subject to a variety of potential modifications after ...
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(2001)Proceeding from the concept of the significant role of mixing of abyssal (magmatic) and meteoric fluids in the formation of tungsten ores in granite-related hydrothermal systems, the influence of the dilution of ore-forming ...
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(2001)H2O, CO2, CH4, CO, H2 and O2 are the most important species in crustal fluids. The composition of these C-O-H fluids can be calculated if the pressure, temperature, carbon activity, and either the oxygen fugacity or the ...
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(2000)Experimental work in the ternary system NaCl–NaBr–H2O at 25°C and 1 atm was carried out to determine the distribution of Br in halite and to close gaps in former sets of data. In order to model the incorporation of Br, a ...
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(2002)The reaction muscovite+cordierite→biotite+Al2SiO5 +quartz+H2O is of considerable importance in the low pressure metamorphism of pelitic rocks: (1) its operation is implied in the widespread assemblage Ms + Crd +And± Sil + ...
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(2004)Cratonic mantle eclogite xenoliths occur with diamond-bearing kimberlite. The modes and mineral compositions of eclogite contain important information on their origin, physical-chemical conditions of formation, and their ...
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(2003)This publication is an attempt to systematically apply numerical simulations to investigations into cosmochemical and planetological systems. The approaches formulated during the development of stable techniques of numerical ...
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(2004)We present modifications to a previously reported statistical thermodynamics model that facilitates the prediction of capillary pressure effects on hydrate equilibria in narrow pores. The model uses the Valderrama modification ...
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(1996)The infrared and Raman spectra of CaCO3 calcite substituted with 80% 18O have been recorded. A detailed mode assignment is proposed for all the observed bands, including combinations and overtones. These data are used to ...
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(2002)Calorimetric and experimental data on AlF-bearing titanite are presented that yield thermodynamic properties of CaAlFSiO4, as well as activity-composition relations of binary titanite CaTiOSiO4–CaAlFSiO4. The heat capacity ...
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(2002)Calorimetric and experimental data on AlF-bearing titanite are presented that yield thermodynamic properties of CaAlFSiO4, as well as activity-composition relations of binary titanite CaTiOSiO4–CaAlFSiO4. The heat capacity ...
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(2002)Calorimetric and experimental data on AlF-bearing titanite are presented that yield thermodynamic properties of CaAlFSiO4, as well as activity-composition relations of binary titanite CaTiOSiO4-CaAlFSiO4. The heat capacity ...
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THERMODYNAMIC PROPERTIES AND STOICHIOMETRY OF AS(III) HYDROXIDE COMPLEXES AT HYDROTHERMAL CONDITIONS (1996)The stoichiometry and thermodynamic properties of As(III) hydroxide complexes were determined from both solubility and Raman spectroscopic measurements. Arsenolite, claudetite, and orpiment solubilities were measured at ...
Now showing items 13099-13118 of 21821