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Общее количество найденных документов : 80
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1.
Инвентарный номер: нет.
   
   Y 14


    Yakoumis, I. V.
    Validation of a recent generalized expression of Tc/Pc vs. the van der Waals surface area according to recent measurements / I. V. Yakoumis, E. D. Nikitin, G. M. Kontogeorgis // Fluid Phase Equilibria. - 1998. - Vol.153, №1. - С. 23-27
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
CRITICAL PROPERTIES -- VAPOUR–LIQUID EQUILIBRIA
Аннотация: Recently, Kontogeorgis et al. [G.M. Kontogeorsis, I.V. Yakoumis, P. Coustikos, D.P. Tassios, Fluid Phase Equilibria, 140 (1–2) (1997) 145–146] developed a generalized expression for the ratio of the critical temperature to the critical pressure (Tc/Pc) with the van der Waals surface area (Qw). Despite the extensive database involved in the development of this equation, the heaviest compounds involved were n-tetracosane in terms of Tc/Pc ratio and PEG-400 in terms of highest Tc. The maximum Tc/Pc value was below 100. The correlation is further validated in light of recent critical data appearing in the literature for heavy compounds with Tc/Pc ratio up to 185. The satisfactory agreement between experimental and predicted Tc/Pc ratios justifies its application to high molecular weight compounds other than those employed for its development

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2.
Инвентарный номер: нет.
   
   Y 14


    Yakoumis, I. V.
    Validation of a recent generalized expression of Tc/Pc vs. the van der Waals surface area according to recent measurements / I. V. Yakoumis, E. D. Nikitin, G. M. Kontogeorgis // Fluid Phase Equilibria. - 1998. - Vol.153, №1. - С. 23-27
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
CRITICAL PROPERTIES -- VAPOUR–LIQUID EQUILIBRIA
Аннотация: Recently, Kontogeorgis et al. [G.M. Kontogeorsis, I.V. Yakoumis, P. Coustikos, D.P. Tassios, Fluid Phase Equilibria, 140 (1–2) (1997) 145–146] developed a generalized expression for the ratio of the critical temperature to the critical pressure (Tc/Pc) with the van der Waals surface area (Qw). Despite the extensive database involved in the development of this equation, the heaviest compounds involved were n-tetracosane in terms of Tc/Pc ratio and PEG-400 in terms of highest Tc. The maximum Tc/Pc value was below 100. The correlation is further validated in light of recent critical data appearing in the literature for heavy compounds with Tc/Pc ratio up to 185. The satisfactory agreement between experimental and predicted Tc/Pc ratios justifies its application to high molecular weight compounds other than those employed for its development

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3.
Инвентарный номер: нет.
   
   V 58


   
    Vibrational relaxation of diatoms in collisions with atoms at very low energies [Текст] / E. I. Dashevskaya, E. D. Nikitin, I. Oref, J. Troe // NATO Science Series, II: Mathematics, Physics and Chemistry. - 2004. - Vol. 145: Theory of Chemical Reaction Dynamics. - С. 413-433
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
DIATOMS

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4.
Инвентарный номер: нет.
   
   V 58


   
    Vibrational relaxation of diatoms in collisions with atoms at very low energies [Текст] / E. I. Dashevskaya, E. D. Nikitin, I. Oref, J. Troe // NATO Science Series, II: Mathematics, Physics and Chemistry. - 2004. - Vol. 145: Theory of Chemical Reaction Dynamics. - С. 413-433
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
DIATOMS

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5.
Инвентарный номер: нет.
   
   V 28


   
    Vapor−Liquid Critical Properties of Elements and Compounds. 10. Organic Compounds Containing Halogens / K. N. Marsh, A. Abramson, D. Ambrose, D. W. Morton, E. D. Nikitin // Journal of Chemical & Engineering Data. - 2007. - Vol.52, №5. - С. 1509-1538
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
CRITICAL PROPERTIES -- SUBCOMMITTEE -- HALOGENS
Аннотация: This review is part 10 of a series of contributions by the critical properties group of the previous IUPAC Commission I.2 on Thermodynamics, Subcommittee on Thermodynamic Data and the present IUPAC Project #2000-026-1-100, Critical Compilation of Vapour Liquid Critical Properties, sponsored by the Physical and Biophysical Chemistry Division. It presents all known experimental data for the critical constants of hydrocarbons containing halogens. Recommendations are given together with uncertainties. Critical temperatures have been converted to ITS-90, and the molar masses are based on the relative atomic masses recommended by the IUPAC-CIAAW in 2005

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6.
Инвентарный номер: нет.
   
   V 28


   
    Vapor−Liquid Critical Properties of Elements and Compounds. 10. Organic Compounds Containing Halogens / K. N. Marsh, A. Abramson, D. Ambrose, D. W. Morton, E. D. Nikitin // Journal of Chemical & Engineering Data. - 2007. - Vol.52, №5. - С. 1509-1538
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
CRITICAL PROPERTIES -- SUBCOMMITTEE -- HALOGENS
Аннотация: This review is part 10 of a series of contributions by the critical properties group of the previous IUPAC Commission I.2 on Thermodynamics, Subcommittee on Thermodynamic Data and the present IUPAC Project #2000-026-1-100, Critical Compilation of Vapour Liquid Critical Properties, sponsored by the Physical and Biophysical Chemistry Division. It presents all known experimental data for the critical constants of hydrocarbons containing halogens. Recommendations are given together with uncertainties. Critical temperatures have been converted to ITS-90, and the molar masses are based on the relative atomic masses recommended by the IUPAC-CIAAW in 2005

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7.
Инвентарный номер: нет.
   
   V 28


   
    Vapor Pressures, Enthalpies of Vaporization, and Critical Parameters of a Series of Linear Aliphatic Dimethyl Esters of Dicarboxylic Acids [Текст] / S. P. Verevkin, S. A. Kozlova, V. N. Emel'yanenko, E. D. Nikitin, A. P. Popov, E. L. Krasnykh // Journal of Chemical & Engineering Data. - 2006. - Vol. 51, № 5. - С. 1896-1905
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
VAPOR PRESSURES
Аннотация: Vapor pressures and the molar enthalpies of vaporization of the linear aliphatic dimethyl esters of dicarboxylic acids CH3-CO2-(CH2)n-CO2-CH3 with n = (0 to 8) have been determined by the transpiration method. A linear correlation of enthalpies of vaporization (at T = 298.15 K) of the esters studied with the number n and with the Kovat's indices and has been found. The critical temperatures and pressures of the esters with n = (0 to 6) and n = 8 have been measured by the pulse-heating method with the residence times ranging from (0.03 to 1) ms. Experimental data on the critical properties are compared with the estimations by group contribution methods by Constantinou and Gani and by Marrero and Gani. Both methods considerably underestimate the critical temperatures of the esters studied; however, the method by Marrero and Gani provides the prediction of the critical pressures of the esters with an average absolute error approximately equal to the uncertainty of the measurements. ??

\\\\Expert2\\NBO\\Journal of Chemical and Engineering Data\\2006, v.51, p.1896.pdf
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8.
Инвентарный номер: нет.
   
   V 28


   
    Vapor Pressures, Enthalpies of Vaporization, and Critical Parameters of a Series of Linear Aliphatic Dimethyl Esters of Dicarboxylic Acids [Текст] / S. P. Verevkin, S. A. Kozlova, V. N. Emel'yanenko, E. D. Nikitin, A. P. Popov, E. L. Krasnykh // Journal of Chemical & Engineering Data. - 2006. - Vol. 51, № 5. - С. 1896-1905
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
VAPOR PRESSURES
Аннотация: Vapor pressures and the molar enthalpies of vaporization of the linear aliphatic dimethyl esters of dicarboxylic acids CH3-CO2-(CH2)n-CO2-CH3 with n = (0 to 8) have been determined by the transpiration method. A linear correlation of enthalpies of vaporization (at T = 298.15 K) of the esters studied with the number n and with the Kovat's indices and has been found. The critical temperatures and pressures of the esters with n = (0 to 6) and n = 8 have been measured by the pulse-heating method with the residence times ranging from (0.03 to 1) ms. Experimental data on the critical properties are compared with the estimations by group contribution methods by Constantinou and Gani and by Marrero and Gani. Both methods considerably underestimate the critical temperatures of the esters studied; however, the method by Marrero and Gani provides the prediction of the critical pressures of the esters with an average absolute error approximately equal to the uncertainty of the measurements. ??

\\\\Expert2\\NBO\\Journal of Chemical and Engineering Data\\2006, v.51, p.1896.pdf
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9.
Инвентарный номер: нет.
   
   T 34


   
    Temperature of Attainable Superheating of Some Commercial Petroleum Products [] / E. D. Nikitin, P. A. Pavlov, A. P. Popov // High Temperature. - 2001. - Vol. 39, N 1. - С. 93-96: il. - Bibliogr: p. 100
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
TEMPERATURE -- TEMPERATURE OF ATTAINABLE SUPERHEATING -- SUPERHEATING -- ATTAINABLE SUPERHEATING -- PETROLEUM PRODUCTS

\\\\Expert2\\NBO\\High Temperature\\2001, v.39, p.93.pdf
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10.
Инвентарный номер: нет.
   
   T 34


   
    Temperature of Attainable Superheating of Some Commercial Petroleum Products [] / E. D. Nikitin, P. A. Pavlov, A. P. Popov // High Temperature. - 2001. - Vol. 39, N 1. - С. 93-96: il. - Bibliogr: p. 100
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
TEMPERATURE -- TEMPERATURE OF ATTAINABLE SUPERHEATING -- SUPERHEATING -- ATTAINABLE SUPERHEATING -- PETROLEUM PRODUCTS

\\\\Expert2\\NBO\\High Temperature\\2001, v.39, p.93.pdf
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