Zobrazeno 1 - 10 of 25 pro vyhledávání: '"Anna Polyakova"'
1
A numerical solution of the dynamic vector tomography problem using the truncated singular value decomposition method
Autor: Anna Polyakova, Ivan Svetov
Publikováno v: Journal of Inverse and Ill-posed Problems.
We consider a problem of dynamic 2D vector tomography, i.e. the object under investigation changes during the data acquisition. More precisely, we consider the case when the object motion is a combination of rotation and shifting. The task is then to
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d65d69fcd6b861faa6a3a7d0dff8b980
https://doi.org/10.1515/jiip-2022-0019
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2
The continuous formation of the stochastic culture of schoolchildren in the context of the digital transformation of general education
Autor: Irina Kitaeva, Tat'yana Sergeeva, Anna Polyakova
The material presented in the monograph shows the possibilities of continuous teaching of mathematics at school, namely, the significant potential of modern information and communication technologies, with the help of which it is possible to form ele
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::54dc1dec43e5bd97ec5dcd825ab7e8bb
https://doi.org/10.12737/1876368
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3
Phase transitions and mechanisms of cryoprotection of serum-/xeno-free media based on dextran and dimethyl sulfoxide
Autor: Oleksandr Pakhomov, Tatyana Gurina, Viktoria Mazaeva, Anna Polyakova, Bo Deng, Evgeniy Legach, Galyna Bozhok
Publikováno v: Cryobiology. 107
The development of serum-/xeno-free media may help avoid the drawbacks of using serum and its components, such as probable contamination, instability of composition, or difficulty in sterilization. The objectives of this research were to investigate
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::59797c8cb24e5855fec077088636810b
https://pubmed.ncbi.nlm.nih.gov/35753382
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5
Structural and Functional Characterization of the BcsG Subunit of the Cellulose Synthase in Salmonella typhimurium
Autor: Ylva Lindqvist, Lei Sun, Gleb Bourenkov, Fengyang Li, Thomas R. Schneider, Ute Römling, Michael Y. Galperin, Robert Schnell, Peter Vella, Anna Polyakova, Annika Cimdins, Gunter Schneider
Publikováno v: Journal of molecular biology 430(18), 3170-3189 (2018). doi:10.1016/j.jmb.2018.07.008
Journal of molecular biology 430(18), 3170 - 3189 (2018). doi:10.1016/j.jmb.2018.07.008
Many bacteria secrete cellulose, which forms the structural basis for bacterial multicellular aggregates, termed biofilms. The cellulose synthase complex of
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3a9a55834dc5ef3618d244234bdddc0b
https://doi.org/10.1016/j.jmb.2018.07.008
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7
Testing of Statistical Hypotheses about The Distribution Laws of Deviations Probabilities of The F2 Layer Critical Frequency for The Longitudinal Chain of Observation Stations
Autor: Vadim Mikhailov, Anna Polyakova, Nadezhda Kotonaeva
Publikováno v: 2019 Russian Open Conference on Radio Wave Propagation (RWP).
A comparative analysis of the distribution histograms of deviations of the ionospheric F2 layer critical frequency from the median value at different solar activity, different seasons, different times of day and different latitudinal locations of the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bb428b69908f6068c1fc3db386ef276e
https://doi.org/10.1109/rwp.2019.8810390
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8
An Automatic Ionogram Scaling Technique based on the Nelder-Mead method
Autor: Anna Polyakova, Konstantin Tsybulya, Nadezhda Kotonaeva
Publikováno v: 2019 URSI Asia-Pacific Radio Science Conference (AP-RASC).
The work describes an approach to automatic ionogram scaling, suitable for both bottomside and topside sounding. The algorithm is designed to be used on high-perfomance parallel computing servers. It employs ionogram modeling by simulating radio wave
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c8839821c113123b5f4ccfd2e9532ec9
https://doi.org/10.23919/ursiap-rasc.2019.8738260
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10
Dynamics of the level of total electron content disturbance at high and middle latitudes according to GPS data
Autor: Ilya Edemsky, Olga Timofeeva, Anna Polyakova, N. P. Perevalova, Darya Katashevtseva
Publikováno v: Solar-Terrestrial Physics, Vol 2, Iss 1, Pp 50-60 (2016)
We study the level of total electron content (TEC) disturbance in ionospheric mid-latitude and high-latitude regions, which occurred during 2013. TEC behavior is calculated using data from two GPS stations: MOND (Mondy) and NRIL (Norilsk). TEC variat
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::94f470a364ac85505e9e991867ae28f2
https://doi.org/10.12737/19878
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