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Общее количество найденных документов : 80
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1.
Инвентарный номер: нет.
   
   F 17


    Faizullin, M. Z.
    Vitrification and crystallization of low-temperature amorphous condensates of water and methane-water mixture / M. Z. Faizullin, V. P. Koverda // Russian Journal of Physical Chemistry A. - 2012. - Vol.86, №2. - С. 229-234
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
VITRIFICATION -- CRYSTALLIZATION -- GAS HYDRATES
Аннотация: Low-temperature condensates of water and water-methane mixture are studied in the temperature range of 65-200 K. Amorphous samples are obtained by molecular beam deposition under vacuum conditions on the substrate cooled with liquid nitrogen. The vitrification and crystallization temperatures are determined from the changes in the dielectric properties of the condensates upon heating. The kinetics of crystallization of amorphous water layers is studied by differential thermal analysis. The temperature conditions for the growth of thick methane crystalline hydrate layers during the low-temperature condensation of molecular water-gas mixture beams are found

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2.
Инвентарный номер: нет.
   
   F 17


    Faizullin, M. Z.
    Vitrification and crystallization of low-temperature amorphous condensates of water and methane-water mixture / M. Z. Faizullin, V. P. Koverda // Russian Journal of Physical Chemistry A. - 2012. - Vol.86, №2. - С. 229-234
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
VITRIFICATION -- CRYSTALLIZATION -- GAS HYDRATES
Аннотация: Low-temperature condensates of water and water-methane mixture are studied in the temperature range of 65-200 K. Amorphous samples are obtained by molecular beam deposition under vacuum conditions on the substrate cooled with liquid nitrogen. The vitrification and crystallization temperatures are determined from the changes in the dielectric properties of the condensates upon heating. The kinetics of crystallization of amorphous water layers is studied by differential thermal analysis. The temperature conditions for the growth of thick methane crystalline hydrate layers during the low-temperature condensation of molecular water-gas mixture beams are found

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3.
Инвентарный номер: нет.
   
   F 17


    Faizullin, M. Z.
    Thermodynamic Similarity of Phase-Separation Binary-Solutions with a Lower Critical-Temperature [] / M. Z. Faizullin, V. P. Skripov // Zeitschrift fur Physikalische Chemie-International Journal of Research in Physical Chemistry and Chemical Physics. - 1991. - V.173, Pn.1. - С. 53-62
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
AQUEOUS SOLUTIONS -- PHASE-SEPARATIONS -- DOUBLE CRITICAL POINT -- THERMODYNAMIC SIMILARITY
Аннотация: The thermodynamic similarity of phase-separating binary aqueous solutions with a lower critical solution temperature is discussed. The values of temperature and pressure at the double critical point are used as scales. An analysis of the experimental material on the phase-separation of aqueous solutions of organic compounds has discovered correlations between dimensionless thermodynamic complexes that make it a solution by the data on phase-separation at atmospheric pressure. The proposed algorithm of calculation is verified by the example of the mixture water/2,6-dimethylpyridine. The calculated and the experimental data for the LCP of this solution demonstrate a satisfactory agreement

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4.
Инвентарный номер: нет.
   
   F 17


    Faizullin, M. Z.
    Thermodynamic Similarity of Phase-Separation Binary-Solutions with a Lower Critical-Temperature [] / M. Z. Faizullin, V. P. Skripov // Zeitschrift fur Physikalische Chemie-International Journal of Research in Physical Chemistry and Chemical Physics. - 1991. - V.173, Pn.1. - С. 53-62
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
AQUEOUS SOLUTIONS -- PHASE-SEPARATIONS -- DOUBLE CRITICAL POINT -- THERMODYNAMIC SIMILARITY
Аннотация: The thermodynamic similarity of phase-separating binary aqueous solutions with a lower critical solution temperature is discussed. The values of temperature and pressure at the double critical point are used as scales. An analysis of the experimental material on the phase-separation of aqueous solutions of organic compounds has discovered correlations between dimensionless thermodynamic complexes that make it a solution by the data on phase-separation at atmospheric pressure. The proposed algorithm of calculation is verified by the example of the mixture water/2,6-dimethylpyridine. The calculated and the experimental data for the LCP of this solution demonstrate a satisfactory agreement

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5.
Инвентарный номер: нет.
   
   B 16


    Baidakov, V. G.
    The isochoric heat capacity of a metastable Lennard-Jones fluid [Electronic resource] / V. G. Baidakov, S. P. Protsenko, Z. R. Kozlova // Chemical Physics Letters. - 2007. - Vol. 447, № 4-6. - P236-240
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
LENNARD-JONES FLUID
Аннотация: The article presents the results of molecular-dynamics calculations of the isochoric heat capacity, cv, and the (p, ?, T) – properties of the Lennard-Jones fluid in the region of liquid–gas phase transition in stable and metastable states. The system under investigation contains 2048 particles, the cut-off radius of the potential is chosen equal to 6.78?. The results of computations of the (p, ?, T) – properties have been used to approximate the location of the spinodal. Values of cv have been determined along the gas and the liquid branches of the spinodal. A thermodynamic relation that determines the value of cv on the spinodal in terms of derivatives with respect to temperature of the entropy, pressure and specific volume along the spinodal has been obtained. It is shown that molecular-dynamics data are in agreement with the results of the thermodynamic analysis.????

\\\\Expert2\\NBO\\Chemical Physics Letters\\2007, v. 447, p.236.pdf
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6.
Инвентарный номер: нет.
   
   B 16


    Baidakov, V. G.
    The isochoric heat capacity of a metastable Lennard-Jones fluid [Electronic resource] / V. G. Baidakov, S. P. Protsenko, Z. R. Kozlova // Chemical Physics Letters. - 2007. - Vol. 447, № 4-6. - P236-240
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
LENNARD-JONES FLUID
Аннотация: The article presents the results of molecular-dynamics calculations of the isochoric heat capacity, cv, and the (p, ?, T) – properties of the Lennard-Jones fluid in the region of liquid–gas phase transition in stable and metastable states. The system under investigation contains 2048 particles, the cut-off radius of the potential is chosen equal to 6.78?. The results of computations of the (p, ?, T) – properties have been used to approximate the location of the spinodal. Values of cv have been determined along the gas and the liquid branches of the spinodal. A thermodynamic relation that determines the value of cv on the spinodal in terms of derivatives with respect to temperature of the entropy, pressure and specific volume along the spinodal has been obtained. It is shown that molecular-dynamics data are in agreement with the results of the thermodynamic analysis.????

\\\\Expert2\\NBO\\Chemical Physics Letters\\2007, v. 447, p.236.pdf
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7.
Инвентарный номер: нет.
   
   B 16


    Baidakov, V. G.
    Surface tension of ethane-methane solutions: 1. Experiment and thermodynamic analysis of the results [Electronic resource] / V. G. Baidakov, A. M. Kaverin, M. N. Khotienkova // Fluid Phase Equilibria. - 2013. - Vol.356. - P90-95. - Bibliogr. : p. 95 (21 ref.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
ADSORPTION -- CAPILLARY CONSTANT -- SURFACE TENSION
Аннотация: The paper presents the results of measuring the capillary constant a2 and calculating the surface tension σ of ethane-methane solutions. Experimental data have been obtained in the temperature range from 93.15 to 283.15K at pressures from that of saturated vapors of pure ethane to 4MPa. Equations that approximate the temperature, pressure and concentration dependences of a2 and σ are suggested. The concentration dependence of the surface tension is described in the framework of models of an ideal and a regular solution. The relative adsorption has been calculated

\\\\expert2\\NBO\\Fluid Phase Equilibria\\2013, v.356, p. 90-95.pdf
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8.
Инвентарный номер: нет.
   
   B 16


    Baidakov, V. G.
    Surface tension of ethane-methane solutions: 1. Experiment and thermodynamic analysis of the results [Electronic resource] / V. G. Baidakov, A. M. Kaverin, M. N. Khotienkova // Fluid Phase Equilibria. - 2013. - Vol.356. - P90-95. - Bibliogr. : p. 95 (21 ref.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
ADSORPTION -- CAPILLARY CONSTANT -- SURFACE TENSION
Аннотация: The paper presents the results of measuring the capillary constant a2 and calculating the surface tension σ of ethane-methane solutions. Experimental data have been obtained in the temperature range from 93.15 to 283.15K at pressures from that of saturated vapors of pure ethane to 4MPa. Equations that approximate the temperature, pressure and concentration dependences of a2 and σ are suggested. The concentration dependence of the surface tension is described in the framework of models of an ideal and a regular solution. The relative adsorption has been calculated

\\\\expert2\\NBO\\Fluid Phase Equilibria\\2013, v.356, p. 90-95.pdf
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9.
Инвентарный номер: нет.
   
   S 94


   
    Surface tension of an ethane–nitrogen solution. 1: Experiment and thermodynamic analysis of the results [Electronic resource] / V. G. Baidakov, A. M. Kaverin, M. N. Khotienkova, V. N. Andbaeva // Fluid Phase Equilibria. - 2012. - Vol.328. - P13-20
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
SURFACE TENSION -- CAPILLARY CONSTANT -- ETHANE–NITROGEN SOLUTION
Аннотация: The differential variation of the method of capillary rise has been employed to measure the capillary constant and calculate the surface tension of ethane–nitrogen solutions. Experiments have been conducted in the temperature range from 93.15 K to 283.15 K at pressures up to 4 MPa. The (p, T)-projection of the line of three-phase liquid–liquid–vapor equilibrium and the surface tension at a liquid–vapor interface close to this line have been determined. Equations are developed which describe the dependence of the capillary constant and the surface tension on the temperature, pressure, and composition of the liquid phase. Experimental data on the surface tension are analyzed in the framework of thermodynamic m

\\\\Expert2\\nbo\\Fluid Phase Equilibria\\2012, v.328, p. 13-20.pdf
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10.
Инвентарный номер: нет.
   
   S 94


   
    Surface tension of an ethane–nitrogen solution. 1: Experiment and thermodynamic analysis of the results [Electronic resource] / V. G. Baidakov, A. M. Kaverin, M. N. Khotienkova, V. N. Andbaeva // Fluid Phase Equilibria. - 2012. - Vol.328. - P13-20
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
SURFACE TENSION -- CAPILLARY CONSTANT -- ETHANE–NITROGEN SOLUTION
Аннотация: The differential variation of the method of capillary rise has been employed to measure the capillary constant and calculate the surface tension of ethane–nitrogen solutions. Experiments have been conducted in the temperature range from 93.15 K to 283.15 K at pressures up to 4 MPa. The (p, T)-projection of the line of three-phase liquid–liquid–vapor equilibrium and the surface tension at a liquid–vapor interface close to this line have been determined. Equations are developed which describe the dependence of the capillary constant and the surface tension on the temperature, pressure, and composition of the liquid phase. Experimental data on the surface tension are analyzed in the framework of thermodynamic m

\\\\Expert2\\nbo\\Fluid Phase Equilibria\\2012, v.328, p. 13-20.pdf
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