Zobrazeno 1 - 10
of 75
pro vyhledávání: '"Jan Jurica"'
Autor:
Ondrej Zivotsky, Lucie Gembalova, Katerina Skotnicova, Ivo Szurman, Tomas Cegan, Jan Jurica, Ondrej Malina, Jakub Cizek
Publikováno v:
AIP Advances, Vol 14, Iss 1, Pp 015218-015218-5 (2024)
In this work, the quaternary Mn2FeSi0.5Al0.5 alloys are prepared for the first time in the form of cylinder-shaped ingots by traditional induction melting technique followed by homogenization annealing at 773 K for 100 h. The microstructural and magn
Externí odkaz:
https://doaj.org/article/878c432df2b44bb7adf18f4394fa7718
Autor:
Yvonna Jiraskova, Jiri Bursik, Jakub Ederer, Pavel Janos, Jan Jurica, Jiri Lunacek, Ondrej Zivotsky
Publikováno v:
Journal of Materials Research and Technology, Vol 9, Iss 3, Pp 4431-4439 (2020)
Present investigations are focused on synthesis of magnetite/cerium dioxide reactive sorbents in various weight ratios of components and their characterization of chemical and magnetic properties. The morphology and changes in magnetic transformation
Externí odkaz:
https://doaj.org/article/37e68796242a4c92a1ba515707d72ceb
Publikováno v:
Materials, Vol 15, Iss 14, p 5049 (2022)
The metallurgical preparation and microstructure of as-cast Ti-45Al-2W-xC (in at.%) alloys were investigated. Five alloys with carbon content ranging from 0.38 to 1.96 at.% were prepared by vacuum induction melting (VIM) in graphite crucibles, follow
Externí odkaz:
https://doaj.org/article/155d983cc8244aa59521fd0e41c3521f
Publikováno v:
Biomedical Papers, Vol 162, Iss 1, Pp 18-25 (2018)
The use of cannabis for medical purposes has been recently legalised in many countries including the Czech Republic. As a result, there is increased interest on the part of physicians and patients in many aspects of its application. This mini review
Externí odkaz:
https://doaj.org/article/390d9ac380f64d6989ab9313c6eb2469
Publikováno v:
Metals, Vol 11, Iss 1, p 62 (2020)
The present study investigated the effects of alloying and nano-reinforcement on the mechanical properties (microhardness, tensile strength, and compressive strength) of Mg-based alloys and composites. Pure Mg, Mg-3Sn alloy, and Mg-3Sn + 0.2 GNP allo
Externí odkaz:
https://doaj.org/article/cb81aa413f21476c9c54109c0f187972
Publikováno v:
Catalysis Science & Technology 12(2022), 4811-4816
Proline-catalyzed aldol reactions have been developed as an important toolbox for the synthesis of valuable chiral intermediates, giving birth to asymmetric organocatalysis. Despite progress, their current applications are generally performed in high
Autor:
Tomas Cegan, Marek Pagac, Jan Jurica, Katerina Skotnicova, Jiri Hajnys, Lukas Horsak, Kamil Soucek, Pavel Krpec
Publikováno v:
Materials, Vol 13, Iss 19, p 4377 (2020)
The manufacturing route primarily determines the properties of materials prepared by additive manufacturing methods. In this work, the microstructural features and mechanical properties of 316 L stainless steel prepared by the selective laser method
Externí odkaz:
https://doaj.org/article/fc54c7ef6880474d9f2dfbf9574f963b
Publikováno v:
Molecules, Vol 25, Iss 8, p 2001 (2020)
The possibilities of metallurgical preparation of 40Nb-60Al and 15W-85Al intermetallic compounds (in at.%) by plasma arc melting (PAM) and vacuum induction melting (VIM) were studied. Both methods allow easy preparation of Nb–Al alloys; however, si
Externí odkaz:
https://doaj.org/article/d5e1467f91f447afb9ce246985f9ffbc
Autor:
Klimantova, Tomas Cegan, Kateryna Kamyshnykova, Juraj Lapin, Ivo Szurman, Jan Jurica, Vendula
Publikováno v:
Materials; Volume 15; Issue 14; Pages: 5049
The metallurgical preparation and microstructure of as-cast Ti-45Al-2W-xC (in at.%) alloys were investigated. Five alloys with carbon content ranging from 0.38 to 1.96 at.% were prepared by vacuum induction melting (VIM) in graphite crucibles, follow
Autor:
Jan Jurica
Publikováno v:
Journal of the ASB Society. 1:22-29
This work focuses on creating maps of the geomagnetic field and areas of increased cosmic radiation surrounding the Earth. Data were measured by Proba-V satellite at Low-Earth orbit 820 kilometres above the Earth during 2015. The actual measured data