6 citations · 11 across the 29 of their papers we have counts for
11 papers · 1 filter
Comments on "Total and fractional densities of states from caloric relations" by S. F. Chekmarev and S. V. Krivov, Phys. Rev. E 57 2445 (1998)
Ikhtier Holmamatovich Umirzakov
We showed that the equations (3), (4), (5) and (6), used in the paper Total and fractional densities of states from caloric relations by S. F. Chekmarev and S. V. Krivov, Phys. Rev…
Comments on "Mixed Bose-Fermi statistics Kinetic equation and navigation through network" by S.F. Chekmarev, Phys. Rev. E 82, 026106 (2010)
I. H. Umirzakov
The paper shows that the kinetic equations considered in [1], equilibrium distribution obtained in [1], and results and conclusions obtained on the basis of the kinetic equation de…
Van der Waals equation of state and PVT properties of real fluid
I. H. Umirzakov
It is shown that: in the case when two parameters of the Van der Waals equation of state are defined from the critical temperature and pressure the exact parametrical solution of t…
Comments on Model free temperature scaling for heat capacity (V.A. Drebushchak, Journal of Thermal Analysis and Calorimetry, 2017 130, 5)
I. H. Umirzakov
It is shown that the isobaric heat capacity of chalcogenides , , , and can be described by the Debye and Einstein models for the phonon frequency spectrum within their uncertaintie…
About paradox of negativity of specific heat of the system in thermostat
Ikhtier H. Umirzakov
It is shown that there is no proof of negativity of specific heat of the system placed in thermostat. It is proved that for the system of particles placed in the thermostat and int…
Critical exponents and amplitudes of analytical equation of state
Ikhtier H. Umirzakov
The paper analyzes a general case of an equation of state, which is an analytical function at the critical point of the liquid-vapor first order phase transition of pure substance.…
About oscillation method to study liquid viscosity
I H Umirzakov
It is shown that the oscillation method to study liquid viscosity of [1-3,7-34] is based on incorrect consideration of one dimensional forced (constrained) )vibrations of plate in…
About oscillation method to study crystallization and melting in multicomponent system
I H Umirzakov
It is shown that the oscillation method to study liquid viscosity of [1-3,7-34], which is the basis of oscillation method to study crystallization and melting in multicomponent sys…
Comments on the behaviour of some thermodynamic characteristics of single component substance in the region defined by the line of liquid vapor equilibrium
I. H. Umirzakov
It is shown that in general case may be not correct the statements of [1,2,6-8] that 1) the isochoric heat capacity on the entire thermodynamic surface, including the metastable re…
Comments on "Thermic and Caloric Equations of State with Small Number of Parameters"
I. H. Umirzakov
It is shown that the potential of Keesom which depends on temperature cannot be used for calculate the second virial coefficient of polar molecules and the formulae for second viri…
About the Structure of a General Equation of State for Liquids and Gases
I. H. Umirzakov
It is shown that the functional form of the equation of state of [4-8] is not correct in general case.