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  1. No Access

    Article

    Calculation of Thermal Conductivity of Fine Soils Taking into Account the Quantity of Unfrozen Water

    To generalize experimental data on the thermophysical characteristics of soils at positive and negative temperatures and reduce the scope of the experimental work, there is a need to systematize and expand the...

    O. N. Kravtsova, N. A. Protodyakonova… in Soil Mechanics and Foundation Engineering (2023)

  2. No Access

    Article

    Effect of optical properties on radiative-conductive heat transfer in a system of two semitransparent layers

    The paper offers a numerical simulation of the heat state for a two-layer semitransparent medium that imitates a hypothetical snow cover upon an opaque semi-infinite substrate; the layers of cover have differe...

    A. M. Timofeev in Thermophysics and Aeromechanics (2020)

  3. No Access

    Article

    Simulation of radiative heating of snow and ice coating

    Numerical simulation of thermal state was performed for semitransparent medium; the thermal state is formed under impact of incident radiation and convective heat transfer to the ambient medium. The model take...

    A. M. Timofeev in Thermophysics and Aeromechanics (2018)

  4. No Access

    Article

    Apoptosis and neutrophils in the regulation of Ph-positive myeloid cell proliferation and differentiation ex vivo

    Ex vivo proliferation and differentiation of Philadelphia chromosome-positive (Ph+) human myeloid cells (Ph+ cells) from chronic myeloid leukemia (CML) proceed via alternation stages of cell proliferation and neu...

    N. I. Grineva, T. V. Akhlynina, A. M. Timofeev, L. P. Gerasimova… in Molecular Biology (2013)

  5. No Access

    Article

    A study of the autocorrelation function of the pulse flow of one-quantum avalanche photodiodes

    Studies of autocorrelation functions of pulse flows from silicon avalanche photodiodes, which operate in the one-quantum detection mode, were performed in the photon counting mode. The influence of afterpulses...

    I. R. Gulakov, A. O. Zenevich, A. M. Timofeev in Instruments and Experimental Techniques (2012)

  6. No Access

    Article

    Calculation of radiation field in semi-transparent medium with consideration of incident collimated radiation

    The mathematical model of radiation field in a semi-transparent medium formed under the action of incident collimated and diffusion radiation was developed and implemented numerically. To solve the problem, th...

    A. M. Timofeev in Thermophysics and Aeromechanics (2012)

  7. No Access

    Article

    Studying the rate of data transfer through an optical communication channel with a detector based on a photon counter

    The rate of data transfer through an optical communication channel with a photon counter based on an avalanche photodiode being used as a detector in this channel is studied. The rate of data transfer through ...

    I. R. Gulakov, A. O. Zenevich… in Optoelectronics, Instrumentation and Data … (2011)

  8. No Access

    Article

    Binding and transfer of an oligodeoxynucleotide containing the translation initiation site of the BCL2 mRNA into K562 cells

    A study was conducted of the interaction of an octadecameric oligodeoxynucleotide (dON) containing the BCL2 mRNA translation start with K562 cells. Both in solution and upon lipofection, the binding of dON used a...

    A. M. Timofeev, T. V. Borovkova, N. M. Nydenova, T. V. Akhlynina… in Molecular Biology (2005)

  9. No Access

    Article

    Combined heat transfer in a boundary layer of a selectiviely absorbing medium on a permeable plate under the conditions of intense radiation heating

    Results of a numerical study of unsteady radiative-convective heat transfer in a boundary layer on a thermally thin permeable plate in the presence of intense radiation heating from outside are reported. The c...

    N. A. Rubtsov, V. A. Sinitsyn… in Journal of Applied Mechanics and Technical… (1998)

  10. No Access

    Article

    Experimental Measurement and Calculation of the Thermal Conductivity of Clay-and-Polystyrene-Filled Concretes

    Results of experimental measurement of the thermal conductivity of clay-and-polystyrene-filled concretes as a function of the concentration of the components are presented. Existing models are used to calculat...

    V. A. Ivanov, A. V. Stepanov, A. M. Timofeev in Journal of Engineering Physics and Thermop… (1998)

  11. No Access

    Article

    Modeling of rolled-sheet cooling

    Stationary radiative and convective heat transfer on an infinite moving plate is studied numerically. A conjugate formulation of the problem allows one to correctly take into account the interaction between te...

    A. M. Timofeev, A. A. Fyodorova in Journal of Engineering Physics and Thermophysics (1997)

  12. No Access

    Article

    Synthesis and radioprotective properties of amides of phosphoric and thiophosphoric acids

    V. V. Znamenskii, N. M. Karimova, A. M. Timofeev… in Pharmaceutical Chemistry Journal (1988)

  13. No Access

    Article

    Molecular and crystal structure of phenyl[1-chloro-1-(p-methoxyphenyl)jethylphosphinic acid C6H5[4-CH3OC6H4C(Cl)(CH3)]P(O)OH

    1. X-ray diffraction analysis has shown that the intermediates in the Conant reaction with some aromatic aldehyd...

    N. A. Kardanov, V. V. Tkachev… in Bulletin of the Academy of Sciences of the… (1987)

  14. No Access

    Article

    Determining the thermophysical parameters of media that freeze

    A. V. Stepanov, A. M. Timofeev, P. I. Filippov in Measurement Techniques (1987)