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Now showing items 2215-2234 of 39126
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(2001)The standard molal thermodynamic properties and heat capacity power function coefficients of more than 100 organic sulfur compounds in the crystalline, liquid, and/or gas state have been calculated by combining regressions ...
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(1998)Calculation of the thermodynamic properties of organic solids, liquids, and gases at high temperatures and pressures is a requisite for characterizing hydrothermal metastable equilibrium states involving these species and ...
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(1999)Dissociation constants of aqueous ion pairs HCl0 and HBr0 derived in the literature from vapor pressure and supercritical conductance measurements and were used to calculate the standard partial molal thermodynamic properties ...
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(1997)Regression of experimental activity coefficient and dissociation constant data reported in the literature with the Huckel (1925) and Setchenow (1892) equations (Helgeson et al., 1981) and the revised HKF equations of state ...
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(2001)The aluminum tridecameric polyoxocation, AlO4Al12(OH)24(H2O)127+ is a major component in partially hydrolyzed Al+3(aq) solutions and has been extensively studied experimentally, mainly using NMR techniques. I have calculated ...
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(1988)Correlation algorithms permit prediction of species-dependent parameters in revised equations of state (tanger and Helgeson, 1988) for aqueous ions and electrolytes which can be used together with values at 25°C and 1 bar ...
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(1989)Consideration of interactions between neutral aqueous species and H2O dipoles in terms of effective Born coefficients permits extension of the revised HKF (Helgeson, Kirkham and Flowers, 1981) equations of state (Tanger ...
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(1990)The standard partial molal properties of organic aqueous species at high pressures and temperatures can be predicted using an adaptation of a revised equation of state for inorganic aqueous ions and electrolytes (Tanger ...
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(1998)To supplement the relatively sparse set of calorimetric data available for the multitude of high molecular weight organic compounds of biogeochemical interest, group additivity algorithms have been developed to estimate ...
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(2001)Changes in the UV spectra of As(OH)3 solutions with variations in pH and temperature have recently been used to determine the temperature dependence of the pKa of the acid. In previous studies I used quantum mechanical ...
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(1998)A detailed review of experimental data on magnetite-melt equilibria in systems ranging from basalts to dacites is presented. This information (99 experiments) was processed statistically to yield the fol- lowing equation ...
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(2002)There are often limited data available in early stages of geostatistical modeling. This leads to considerable uncertainty in statistical parameters including the variogram. This article presents an approach to calculate ...
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(1996)The largest Plinian eruption of our era and the latest caldera-forming eruption in the Kuril-Kamchatka region occurred about cal. A.D. 240 from the Ksudach volcano. This catastrophic explosive eruption was similar in type ...
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(2003)Certain volcanogenic massive sulfide (VMS) ore deposits form in submarine calderas. This association is well known, but the link between caldera formation and the origins of the deposits remains poorly understood. Here we ...
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(1999)New evidence is reported on the geologic structure of the southern side of the Uzon-Geizernaya depression (Shirokoe Plateau). As a result of detailed geological mapping, the rocks composing the plateau were divided into ...
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(2001)Calibrated values have been obtained for sulfur isotope abundance ratios of sulfur isotope reference materials distributed by the IAEA (Vienna). For the calibration of the measurements, a set of synthetic isotope mixtures ...
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(1986)A new thermobarometer, based on the equilibrium: 3 \hspace{0.17em} FeAl 2 O 4+5 \hspace{0.17em} Sio 2= Fe 3 Al 2 Si 3 O 12+2 \hspace{0.17em} Al 2 SiO 5 hercynite \hspace{0.17em} quartz \hspace{0.17em} almadine ...
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CALIBRATION AND SENSITIVITY ANALYSIS OF A RIVER WATER QUALITY MODEL UNDER UNSTEADY FLOW CONDITIONS (2003)Water quality models generally require a relatively large number of parameters to define their functional relationships, and since prior information on parameter values is limited, these are commonly defined by fitting the ...
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(2000)A technique based upon infrared reflectance spectroscopy is developed as an alternative to the Fourier transform infrared (FTIR) transmission method for the quantitative measurement of dissolved molecular carbon dioxide ...
Now showing items 2215-2234 of 39126