Zobrazeno 1 - 10
of 163
pro vyhledávání: '"S. Simeonova"'
Autor:
O. Dimitrov, I. Stambolova, T. Babeva, K. Lazarova, G. Avdeev, M. Shipochka, R. Mladenova, S. Simeonova
Publikováno v:
Journal of Materials Research and Technology, Vol 18, Iss , Pp 3026-3034 (2022)
Samarium doped (0.5–5 at.%) ZrO2 films with high surface and optical quality were obtained by sol–gel method using inorganic zirconium precursor. The morphology and roughness of the samples were investigated by scanning electron microscopy (SEM)
Externí odkaz:
https://doaj.org/article/b4c22ed4963e4ec6b3b9d59698d4fbff
Publikováno v:
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XLIII-B2-2020, Pp 623-630 (2020)
In this paper, a solution for vehicle speed estimation using unmanned aerial videos is described. First, convolutional neural networks and Kalman filtering using deep features are used for detecting and tracking vehicles. Then, a photogrammetric appr
Externí odkaz:
https://doaj.org/article/11973314da244af69a9077830bc35eb5
Publikováno v:
Tribology in Industry, Vol 33, Iss 2, Pp 57-62 (2011)
A procedure is developed for the study of wear of aluminum alloys AlSi7 obtained by casting, reinforced by TiC microparticles, before and after heat treatment. Tribological study is realized under conditions of friction on counterbody with fixed abra
Externí odkaz:
https://doaj.org/article/1b270e2f26e64b75bbcd9995d0e27da4
Autor:
G. Leydecker, H. Busche, K.-P. Bonjer, T. Schmitt, D. Kaiser, S. Simeonova, D. Solakov, L. Ardeleanu
Publikováno v:
Natural Hazards and Earth System Sciences, Vol 8, Iss 6, Pp 1431-1439 (2008)
Since 2007 Bulgaria and Romania are members of the European Union. All member states have to introduce the European earthquake building code EUROCODE 8 (EC 8) in the coming years. Therefore, new seismic hazard maps have to be calculated according to
Externí odkaz:
https://doaj.org/article/90eb08aaeb9645caa66cb526d4ba732a
Publikováno v:
Annals of Geophysics, Vol 44, Iss 3 (2001)
The capital of Bulgaria, Sofia, is situated in the center of the so-called Sofia area. This is the most populated industrial and cultural region of Bulgaria that faces considerable earthquake risk. We apply a version of machine code EQRISK for hazard
Externí odkaz:
https://doaj.org/article/21df4cebcdae44548eead32d4d1a756e
Autor:
D. Solakov, S. Simeonova
Publikováno v:
Annals of Geophysics, Vol 42, Iss 5 (1999)
We apply statistical analysis to study the temporal distribution of aftershocks in aftershock sequences of five earthquakes which occurred in Bulgaria. We use the maximum likelihood method to estimate the parameters of the modified Omori formula for
Externí odkaz:
https://doaj.org/article/b3b37d19cc5c4c628fe9685e2c0b5ba5
Publikováno v:
Acta Medica Bulgarica. 49:16-21
Background and objectives. Though glyceraldehyde-3-phosphate dehydrogenase (Gapdh) is one of the most commonly used housekeeping genes for comparison of gene expression data, studies have revealed that Gapdh expression is not constant at different de
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9c64dc5987a9252ac992b35e48530501
https://doi.org/10.2478/amb-2022-0014
https://doi.org/10.2478/amb-2022-0014
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