Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Liubov V. Toropova"'
Autor:
Dmitri V. Alexandrov, Margarita A. Nikishina, Eugenya V. Makoveeva, Irina V. Alexandrova, Liubov V. Toropova
Publikováno v:
Results in Physics, Vol 58, Iss , Pp 107494- (2024)
The evolution of a polydisperse ensemble of prolate and oblate ellipsoidal crystals in a supercooled one-component melt is theoretically studied. The volume growth rates for prolate and oblate ellipsoids are analytically found and compared at the sam
Externí odkaz:
https://doaj.org/article/99beec0e99394ea99bd5c5ff95815213
Publikováno v:
Mathematics, Vol 12, Iss 14, p 2178 (2024)
Motivated by the widespread occurrence of directional crystallization in nature, laboratory experiments and industrial facilities, we consider how a two-phase (mushy) region filled simultaneously with liquid and solid material influences the process
Externí odkaz:
https://doaj.org/article/0c5ea010ba344dcd8d4597fe8c03ff07
Autor:
Marina P. Sutunkova, Yuliya V. Ryabova, Ilzira A. Minigalieva, Tatiana V. Bushueva, Renata R. Sakhautdinova, Ivan A. Bereza, Daria R. Shaikhova, Anna M. Amromina, Aleksei I. Chemezov, Ivan G. Shelomencev, Lev A. Amromin, Irene E. Valamina, Liubov V. Toropova
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-12 (2023)
Abstract Copper is an essential trace element for human health and, at the same time, a major industrial metal widely used both in its elemental form and in compounds. We conducted a dose-dependent assessment of the response of outbred albino male ra
Externí odkaz:
https://doaj.org/article/57bc807faf79430b819964087bb74501
Autor:
Marina P. Sutunkova, Ilzira A. Minigalieva, Ivan G. Shelomencev, Larisa I. Privalova, Yuliya V. Ryabova, Anastasiya V. Tazhigulova, Lev A. Amromin, Regina F. Minigalieva, Yuliya M. Sutunkova, Vladimir B. Gurvich, Eugenya V. Makoveeva, Liubov V. Toropova
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-11 (2022)
Abstract White outbred female rats were exposed intranasally to 50-µL of suspension of lead oxide nanoparticles (PbO NPs) at a concentration of 0.5 mg/mL thrice a week during six weeks. A control group of rats was administered deionized water in sim
Externí odkaz:
https://doaj.org/article/5fe29df3d0154f1b969b06a4c76eb071
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-9 (2022)
Abstract Motivated by important applications of crystallization phenomena, we consider a directional solidification process for a binary melt with a two-phase (mushy) layer in the presence of weak melt flow. We consider the steady-state solidificatio
Externí odkaz:
https://doaj.org/article/356aa73a2be54db99244aba2761efef0
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-9 (2022)
Abstract In this paper, we develop a theory of solid/liquid phase interface motion into an undercooled melt in the presence of nucleation and growth of crystals. A set of integrodifferential kinetic, heat and mass transfer equations is analytically s
Externí odkaz:
https://doaj.org/article/436b3409ba4145fcbfdf5f801ae0b221
Autor:
Ekaterina A. Titova, Peter K. Galenko, Margarita A. Nikishina, Liubov V. Toropova, Dmitri V. Alexandrov
Publikováno v:
Axioms, Vol 12, Iss 11, p 1016 (2023)
The boundary integral equation defining the interface function for a curved solid/liquid phase transition boundary is analytically solved in steady-state growth conditions. This solution describes dendrite tips evolving in undercooled melts with a co
Externí odkaz:
https://doaj.org/article/f8bb7ec6dbb544019a5e730dbb7599a0
Autor:
Dmitri V. Alexandrov, Irina V. Alexandrova, Margarita A. Nikishina, Alexey P. Malygin, Liubov V. Toropova
Publikováno v:
Crystals, Vol 13, Iss 9, p 1361 (2023)
We formulate the mathematical model of directional crystallization of a binary melt with a mushy layer (region) between purely solid and liquid phases. This model is complicated by melt convection and pressure-dependent phase transition temperature.
Externí odkaz:
https://doaj.org/article/4e9f89676a1c4829bdad4c7523abaf24
Publikováno v:
Crystals, Vol 12, Iss 12, p 1686 (2022)
A theory for crystal nucleation and growth with the recalescence front is developed. The theory is based on the saddle-point technique for evaluating a Laplace-type integral as well as the small parameter method for solving the moving boundary heat t
Externí odkaz:
https://doaj.org/article/20042d95ed9c4e58af96a65d7f0714a1
Publikováno v:
Crystals, Vol 12, Iss 11, p 1657 (2022)
In this paper, we derive the boundary integral equation (BIE), a single integrodifferential equation governing the evolutionary behavior of the interface function, paying special attention to the nonlinear liquidus equation and atomic kinetics. As a
Externí odkaz:
https://doaj.org/article/bdde06d030a94e7fb4b23595a6bfaa3d