Zobrazeno 1 - 10
of 267
pro vyhledávání: '"T, Tsvetkova"'
Autor:
Katia Rasheva-Yordanova, Georgi P. Dimitrov, Paulina T. Tsvetkova, Milena Bankovska, Pavel S. Petrov
Publikováno v:
Digital Presentation and Preservation of Cultural and Scientific Heritage, Vol 14 (2024)
The palimpsests represent unique historical sources that hold the potential for new insights in the field of human history. These manuscripts, rewritten and reused over time, pose challenges in the research related to their readability and interpreta
Externí odkaz:
https://doaj.org/article/01cf25f76bd145618d67a0fb185e253c
Publikováno v:
OLYMPIADS IN INFORMATICS. :159-172
The program reveals the goals of mastering primary digital literacy by students in primary school, characterizes digital skills and determines the place of the digital literacy course in the curriculum, reveals the main approaches to the selection of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::30ddf3571993809e11d538a0a8fb29f2
https://doi.org/10.15388/ioi.2022.13
https://doi.org/10.15388/ioi.2022.13
Autor:
V. Shestopalov, O. Lukin, V. Starostenko, O. Ponomarenko, T. Tsvetkova, I. Koliabina, O. Makarenko, O. Usenko, O. Rud, A. Onoprienko, V. Saprykin, R. Vardapelian
Publikováno v:
Geofizicheskiy Zhurnal. 43:3-18
This paper shows the prospect to find industrial-scale hydrogen accumulations in riftogenic structures of platforms using the example of the Dnieper-Donets Aulacogene, located in the southern part of the East European Platform. Within the Dnieper-Don
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b820a4a3849521ebadbe42c57fb3173c
https://doi.org/10.24028/gzh.v43i5.244038
https://doi.org/10.24028/gzh.v43i5.244038
Publikováno v:
19th International Conference on Surface Modification of Materials by Ion Beams (SMMIB-2015), 22.-27.11.2015, Chiang Mai, Thailand
Surface & Coatings Technology 306(2016), 341-345
Surface & Coatings Technology 306(2016), 341-345
Optical contrast formation by Ga+ ion implantation has been made use of for focused ion beam (FIB) writing of nano-scale optical patterns in tetrahedral amorphous carbon (ta-C). Initial UV-VIS optical spectroscopy results with Ga+ broad-beam ion impl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::529d95d937b8786bbec30674874e8dfe
https://doi.org/10.1016/j.surfcoat.2016.07.088
https://doi.org/10.1016/j.surfcoat.2016.07.088
Publikováno v:
Acta Physica Polonica A 132(2017)2, 299-301
Thin film samples (d ~ 40 nm) of tetrahedral amorphous carbon (ta-C), deposited by filtered cathodic vacuum arc, were implanted with Ga+ at ion energy E = 20 keV and ion fluences D = 3E14 - 3E15 cm-2 and N+ with the same energy and ion fluence D = 3
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fe21038d6462ec2b318160f41545bfb4
https://doi.org/10.12693/aphyspola.132.299
https://doi.org/10.12693/aphyspola.132.299
Autor:
T. Tsvetkova, N. Kerenchev
Publikováno v:
IOP Conference Series: Materials Science and Engineering. 951:012003
The open-source software attracts the engineering society with the accessibility, the chasing of processes, the flexibility and the possibility of making changes to the interface or in the program code processes. This paper presents the results of a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::73179973bf51a70a25e702adc004f042
https://doi.org/10.1088/1757-899x/951/1/012003
https://doi.org/10.1088/1757-899x/951/1/012003
Publikováno v:
Acta Physica Polonica A. 128:953-956
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb3726d8a1ef2ef969235e5b7265bd75
https://doi.org/10.12693/aphyspola.128.953
https://doi.org/10.12693/aphyspola.128.953
Publikováno v:
Radiation Measurements. 69:35-49
Results of continuous spectral monitoring of indoor gamma background are reported for seismological application in one fault zone of the Western Caucasus. Background count rates were recorded every 5 min since 2004. Two detectors (a scintillation cry
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ecbb1107b0548ebd8e8ae72411fb107f
https://doi.org/10.1016/j.radmeas.2014.07.008
https://doi.org/10.1016/j.radmeas.2014.07.008
Publikováno v:
Journal of Scientific Research and Reports. 3:2415-2421
Aims: Simultaneous measurement of groundwater Rn concentrations in Krasnodar territory (South Russia) and in southwest Turkey for seismological application (earthquake predict) was began. Study Design: Simultaneous measurement of Rn concentration in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::132a51dcb61b5b0e020367fc8108818d
https://doi.org/10.9734/jsrr/2014/12366
https://doi.org/10.9734/jsrr/2014/12366
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 307:71-76
The effects of implantation temperature and post-implantation thermal annealing on the Ga + ion beam induced optical contrast formation in hydrogenated silicon–carbon alloy films have been studied. As a result of the implantation a well-expressed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bf2525435b6ee98e6c952fa4aff43ac3
https://doi.org/10.1016/j.nimb.2013.02.050
https://doi.org/10.1016/j.nimb.2013.02.050