Zobrazeno 1 - 10
of 164
pro vyhledávání: '"Vladimír Havránek"'
Autor:
István Bányász, István Rajta, Vladimír Havránek, María Cinta Pujol, Gábor Bazsó, György Kármán, Gyula Nagy
Publikováno v:
ACS Omega, Vol 9, Iss 28, Pp 30415-30424 (2024)
Externí odkaz:
https://doaj.org/article/8773156e0bcc44c1a020eb7dd98e9b47
Autor:
Jan Kučera, Jan Kameník, Vladimír Havránek, Ivana Krausová, Ivo Světlík, Kateřina Pachnerová Brabcová, Marek Fikrle, David Chvátil
Publikováno v:
Physics, Vol 4, Iss 2, Pp 491-503 (2022)
Five case studies are reported on the use of neutron and photon activation analysis (NAA and PAA, respectively), X-ray fluorescence (XRF) analysis, ion beam analysis (IBA), and accelerator mass spectrometry (AMS) for the elemental characterization or
Externí odkaz:
https://doaj.org/article/fd0acb6462174fdb94d041b94519f43d
Autor:
Petr Malinský, Oleksander Romanenko, Vladimír Havránek, Mariapompea Cutroneo, Josef Novák, Eva Štěpanovská, Romana Mikšová, Petr Marvan, Vlastimil Mazánek, Zdeněk Sofer, Anna Macková
Publikováno v:
Polymers, Vol 15, Iss 5, p 1066 (2023)
In this study, novel flexible micro-scale humidity sensors were directly fabricated in graphene oxide (GO) and polyimide (PI) using ion beam writing without any further modifications, and then successfully tested in an atmospheric chamber. Two low fl
Externí odkaz:
https://doaj.org/article/0d9b76af6cec464e88c2dcd554953cd4
Autor:
István Bányász, Istvan Rajta, Gyula U. L. Nagy, Nguyen Q. Khanh, Vladimír Havránek, Vaclav Vosecek, Miklós Fried, Zoltán Szabó, Miklós Veres, Roman Holomb, László Himics, Éva Tichy-Rács
Publikováno v:
Chemosensors, Vol 10, Iss 8, p 337 (2022)
Two methods were proposed and implemented for the fabrication of channel waveguides in an Er-doped Tellurite glass. In the first method, channel waveguides were fabricated by implanting 1.5 MeV and 3.5 MeV energy N+ ions through a special silicon mas
Externí odkaz:
https://doaj.org/article/9218f657265642b29beb91fba5d3b742
Autor:
Johannes van der Plicht, Sylva Drtikolová Kaupová, Petr Velemínský, Jiří Smolík, Jan Kučera, Jan Kameník, Vladimír Havránek, Jaroslav Brůžek, Jens Vellev, Kaare Lund Rasmussen
Publikováno v:
Heritage Science, Vol 8, Iss 1, Pp 1-3 (2020)
Abstract Radiocarbon dating has been performed on cortical femoral tissue samples from Tycho Brahe (1546–1601) and his wife Kirsten Barbara Jørgensdatter (1549–1604). No discernible reservoir effect has been observed in either skeleton. This com
Externí odkaz:
https://doaj.org/article/71c9a994c15543828619367224852521
Autor:
Lorenzo Torrisi, Valentina Venuti, Vincenza Crupi, Letteria Silipigni, Mariapompea Cutroneo, Giuseppe Paladini, Alfio Torrisi, Vladimír Havránek, Anna Macková, Mauro Francesco La Russa, Giovanni Birarda, Lisa Vaccari, Andrea Macchia, Fariz Khalilli, Michela Ricca, Domenico Majolino
Publikováno v:
Heritage, Vol 2, Iss 3, Pp 1852-1873 (2019)
The present work is aimed at the investigation of the ceramic bulk and pigmented glazed surfaces of ancient potteries dating back to XIX century A.D. and coming from the charming archeological site located in the Medieval Agsu town (Azerbaijan), a ge
Externí odkaz:
https://doaj.org/article/6b3dba002ae84a0692b5f73c1484bf8c
Autor:
Mariapompesa Cutroneo, P. Malinsky, Anna Macková, Petr Slepička, Letteria Silipigni, Alfio Torrisi, Lorenzo Torrisi, Dominik Fajstavr, Vladimír Havránek
Publikováno v:
Surface and Interface Analysis. 53:618-626
Spherical gold nanoparticles (NPs), 10 nm in diameter, have been dispersed in a type of polydimethylsiloxane, whose polymerisation requires accurate temperature control. At the temperature of 100°C, the polymerisation of the polydimethylsiloxane mat
Autor:
Jiří Čapek, H.S. Sen, Tomas Polcar, M. Vronka, Miroslav Karlík, Mauro Callisti, Peter Minárik, Petr Bábor, Nabil Daghbouj, Jaroslav Čech, Vladimír Havránek
Publikováno v:
Acta Materialia. 202:317-330
Sputter-deposited Zr/Nb nanoscale metallic multilayers with a periodicity of 27 (thin) and 96 nm (thick) were subjected to Cu+implantation with low and high fluences and then studied using various experimental techniques in combination with DFT calcu
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 486:28-36
This paper presents some experimental results about the 7Li, 11B and 19F (p, α) nuclear reactions developed using proton beams at energy below 3 MeV in order to be applied to protontherapy. The energy released by proton beams during radiotherapy act
Autor:
Chvátil, Jan Kučera, Jan Kameník, Vladimír Havránek, Ivana Krausová, Ivo Světlík, Kateřina Pachnerová Brabcová, Marek Fikrle, David
Publikováno v:
Physics; Volume 4; Issue 2; Pages: 491-503
Five case studies are reported on the use of neutron and photon activation analysis (NAA and PAA, respectively), X-ray fluorescence (XRF) analysis, ion beam analysis (IBA), and accelerator mass spectrometry (AMS) for the elemental characterization or