Zobrazeno 1 - 10
of 177
pro vyhledávání: '"Karel DVOŘÁK"'
Publikováno v:
Materials, Vol 17, Iss 19, p 4831 (2024)
Among the main benefits of powder-based materials is the possibility of combining different constituents to achieve enhanced properties of the fabricated bulk material. The presented study characterizes the micro- and sub-structures and related mecha
Externí odkaz:
https://doaj.org/article/081e2a52024246b49f1a281319bb8122
Publikováno v:
Acta Polytechnica CTU Proceedings, Vol 47 (2024)
In the realm of cement production, traditional fuels are steadily giving way to alternative sources. While this shift yields economic and ecological advantages, it introduces notable technological challenges. Specifically, there is an escalation in c
Externí odkaz:
https://doaj.org/article/e2087fab51a34ba8b99aad757bb25c8f
Preparation of light fraction silicate filer after the mining for the base layers’ road construction
Publikováno v:
Acta Polytechnica CTU Proceedings, Vol 47 (2024)
The article main objective was eco-innovation in the field of utilization and creation of a complex waste-free technology for the separation of components during ore extraction with subsequent processing, recovery of mine tailings in combination with
Externí odkaz:
https://doaj.org/article/1d39429a67984f3aa8fa34528f324381
Processing and recycling of aggregate residues after ore extraction for stabilization of mined areas
Publikováno v:
Acta Polytechnica CTU Proceedings, Vol 47 (2024)
The article focuses on the treatment and recycling of aggregate. It also addresses the issue of treatments effects on mine tailings, fly ash and acid mine water on the measured parameters of concrete with load-bearing and backfilling paste with non-l
Externí odkaz:
https://doaj.org/article/52b64c242f52476e8a682731150c67b7
Autor:
Karel Dvořák, Andrea Jančíková
Publikováno v:
Acta Polytechnica CTU Proceedings, Vol 47 (2024)
The article investigates the influence of mine tailing, fly ash, and mine water on strength parameters as mine paste filling material performing the strength tests on different recipes of mortar mixes with individual types of fillers and wastewater f
Externí odkaz:
https://doaj.org/article/1e1295a98f554d58aea25f9166e1f2f8
Autor:
Serhii Tkachenko, Karel Slámečka, Carolina Oliver-Urrutia, Olha Ksenzova, Vendula Bednaříková, Michaela Remešová, Karel Dvořák, Matej Baláž, Andrea Deák, Martin Kachlík, Ladislav Čelko, Edgar B. Montufar
Publikováno v:
Journal of Materials Research and Technology, Vol 27, Iss , Pp 2475-2489 (2023)
Molybdenum is a refractory metal regarded as a promising basis for producing high-temperature components. However, the potential of manufacturing molybdenum-based structures by direct ink writing (DIW) has not been explored. In this study, three-dime
Externí odkaz:
https://doaj.org/article/2f6cb43dc8af40c5862ebb74bdcb1b9a
Publikováno v:
Materials, Vol 17, Iss 3, p 735 (2024)
Tricalcium aluminate is an important phase of Portland clinker. In this paper, three polymorphs of C3A were prepared by means of the solid-state synthesis method using intensive milling of the raw material mixture which was doped with various amounts
Externí odkaz:
https://doaj.org/article/8513bf4d29ce47be9bf77ec636e88a4b
Autor:
Václav Šmíd, Karel Dvořák, Kamila Stehnová, Hynek Strnad, Josep Rubert, Jan Stříteský, Barbora Staňková, Milena Stránská, Jana Hajšlová, Radan Brůha, Libor Vítek
Publikováno v:
International Journal of Molecular Sciences, Vol 24, Iss 24, p 17226 (2023)
The pathogenesis of non-alcoholic fatty liver disease (NAFLD) is associated with abnormalities of liver lipid metabolism. On the contrary, a diet enriched with n-3 polyunsaturated fatty acids (n-3-PUFAs) has been reported to ameliorate the progressio
Externí odkaz:
https://doaj.org/article/8dc7c626a1274dd2ac170c0229c75454
Autor:
Václav Šmíd, Karel Dvořák, Petr Šedivý, Vít Kosek, Martin Leníček, Monika Dezortová, Jana Hajšlová, Milan Hájek, Libor Vítek, Kamila Bechyňská, Radan Brůha
Publikováno v:
Hepatology Communications, Vol 6, Iss 6, Pp 1336-1349 (2022)
Nonalcoholic fatty liver disease (NAFLD) is the most common chronic liver disease. n‐3 polyunsaturated fatty acids (n‐3‐PUFAs) have been reported to ameliorate the progression of NAFLD in experimental studies; however, clinical trials have yiel
Externí odkaz:
https://doaj.org/article/ac9851f6a8084a2786db1dc1a9a79346
Publikováno v:
Metals, Vol 13, Iss 11, p 1902 (2023)
Due to their versatile properties, austenitic stainless steels have a wide application potential, including in specific fields, such as the nuclear power industry. ChN35VT steel is a chromium–nickel–tungsten type of steel stabilized by titanium,
Externí odkaz:
https://doaj.org/article/dc8f915ab2174b078159fc515915af78