Zobrazeno 1 - 10 of 32 pro vyhledávání: '"A B, Shcherbak"'
1
Alarming levels of multidrug-resistant tuberculosis in Ukraine: results from the first national survey
Autor: Girts Skenders, B Shcherbak-Verlan, Anna S. Dean, I Sela, Daniela Maria Cirillo, A Zhurilo, Andrea M. Cabibbe, E Pavlenko, Arax Hovhannesyan, E Vitek, P. de Colombani, Andrei Dadu, Matteo Zignol, A Slavuckij, Masoud Dara, Z Tsenilova, Anna Barbova
Publikováno v: The International Journal of Tuberculosis and Lung Disease. 22:197-205
Setting The true prevalence of multidrug-resistant tuberculosis (MDR-TB) in Ukraine is not known. Available data are a decade old and limited to only one province. Objective To determine the prevalence of MDR-TB among new and previously treated TB ca
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ca34a00d40cfa39790be35dd2564be8b
https://doi.org/10.5588/ijtld.17.0254
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2
Determination of the coefficient of the temperature sensitivity of the burning rate for condensed systems from the heat conduction equation
Autor: N. N. Lyasnikova, O. F. Shlenskii, N. B. Shcherbak
Publikováno v: High Temperature. 51:106-110
An analytic form is proposed for the coefficient of the temperature sensitivity of the burning rate and the ratio of the combustion surface temperature to the initial temperature of condensed systems based on the heat balance equation. A comparison h
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::189e773d5d43487463c49011bdc52621
https://doi.org/10.1134/s0018151x1301015x
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3
Mathematical simulation of the front processes of combustion of condensed systems in view of the velocity of propagation of heat
Autor: N. B. Shcherbak, O. F. Shlenskii, N. N. Lyasnikova
Publikováno v: High Temperature. 48:713-720
It is suggested to use the hyperbolic heat equation for mathematical simulation of the front processes of combustion of energy-intensive condensed systems (CS). The correlation between the velocity of propagation of thermal wave with the velocity of
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5c9fa8c486cc6d0a70a79e66340a29da
https://doi.org/10.1134/s0018151x10050135
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5
Increasing the force with which a shock wave discharged from the channel acts on an obstacle by way of converting a normal pressure shock to a system of oblique shocks
Autor: S. B. Shcherbak, V. V. Golub, A. L. Kotel’nikov, M. V. Bragin, A. S. Chizhikov, T. V. Bazhenova
Publikováno v: High Temperature. 42:911-918
The results are given of experimental and numerical investigations of the effect produced on an obstacle by shock waves discharged from channels of different cross-sectional shapes (circle, square, cross). The pressure distribution on an obstacle mou
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6cf721e24dcee304142bc87daa94d8e7
https://doi.org/10.1007/s10740-005-0036-1
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6
[Untitled]
Autor: S. B. Shcherbak, T. V. Bazhenova, V. V. Golub, A. L. Kotel’nikov, A. S. Chizhikov
Publikováno v: Fluid Dynamics. 38:336-342
The temporal-spatial development of the flow pattern behind a shock wave emerging from open-ended and half-closed ducts at M0=1.15 to 3.0 Mach number is investigated both experimentally and numerically and the action of the diffracted wave on a barri
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e817b96f41f3f9906e427c94d5fb4c11
https://doi.org/10.1023/a:1024241607038
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7
[Untitled]
Autor: A. S. Chizhikov, A. L. Kotel’nikov, S. B. Shcherbak, T. A. Bormotova, V. V. Golub, T. V. Bazhenova
Publikováno v: High Temperature. 40:222-227
The results are given of experimental and numerical investigations of the total pressure across a stagnation shock in the flow behind a shock wave discharged from open ends of round and square channels. It is found that the loss of total pressure beh
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ad6ef6d7b3b142c25ffdd1a36fdb59fe
https://doi.org/10.1023/a:1015251122879
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8
[Untitled]
Autor: A. V. Chesnokov, Victor Potapov, S. B. Shcherbak
Publikováno v: Atomic Energy. 92:357-366
A method is presented for calculating the equivalent dose rate for the interior spaces in enclosures. The method uses the results of remote measurements, performed with a γ locator, of radioactive contamination levels. The spectral characteristics o
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::034d4e55f56b32134829975c8eb1b857
https://doi.org/10.1023/a:1016514312689
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10
[Untitled]
Autor: T. A. Bormotova, V. V. Golub, T. V. Bazhenova, S. B. Shcherbak, S. A. Novikov
Publikováno v: High Temperature. 39:119-123
The results are given of experimental and numerical investigations of the structure of flow behind a shock wave discharged from open ends of round and square channels. It is demonstrated that the expansion regions arising in a flow behind a diffracte
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::12c347d9dbe09c07bbc99a3ba579e2e6
https://doi.org/10.1023/a:1004139018222
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