Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Rastislav Bernát"'
Publikováno v:
Scientific Papers Animal Science and Biotechnologies, Vol 53, Iss 2, Pp 70-70 (2023)
The study aimed to examine the analyses a chosen group of the Slovak Spotted dairy cows. Within the group we focused on the problematic of utility pointers evaluation, we analysed the milk production of various breed types, years of birth giving, pat
Externí odkaz:
https://doaj.org/article/541cc14f94e4453ea7fc8003633df479
Autor:
Rastislav Bernát, Jozef Žarnovský, Ivan Kováč, Rastislav Mikuš, Jiří Fries, Radoslav Csintalan
Publikováno v:
Materials, Vol 15, Iss 1, p 158 (2021)
The present paper analyzes the damage of surfaces at spots of frictional contact, namely, the friction nodes on a camshaft and the connecting rod pins of a crankshaft. The resulting wear of the monitored friction nodes reduces the technical life of t
Externí odkaz:
https://doaj.org/article/05bdc8b661a24661a0e7b6beee2a190d
Publikováno v:
Scientific Papers Animal Science and Biotechnologies, Vol 53, Iss 2, Pp 70-74 (2020)
The study aimed to examine the analyses a chosen group of the Slovak Spotted dairy cows. Within the group we focused on the problematic of utility pointers evaluation, we analysed the milk production of various breed types, years of birth giving, pat
Autor:
Zoltán Záležák, Rastislav Bernát, Milan Peniaško, Norbert Kecskés, Jozef Žarnovský, Katarzyna Midor
Publikováno v:
Multidisciplinary Aspects of Production Engineering. 1:137-143
In engineering industry the production of components begins with separation of the base material and this technological operation can be time consuming, especially in large-scale production. Such production can be made more efficient by means of lase
Autor:
Juraj Jablonický, Ján Kosiba, Rastislav Bernát, Štefan Čorňák, Josef Glos, Zdenko Tkáč, Vladimír Cviklovič
Publikováno v:
Acta Technologica Agriculturae, Vol 20, Iss 2, Pp 42-45 (2017)
This paper is focused on the impacts of the biodegradable hydraulic and transmission fluid (Universal Tractor Transmission Oil) on operation of tractor hydraulic and transmission systems. The fluid was used in the hydraulic and transmission systems o
Publikováno v:
Scopus-Elsevier
Publikováno v:
Advanced Materials Research. 1059:105-110
As it is generally known, diesel engines operate with air excess, i.e. lean mixtures. Intake resistances in intake manifolds of diesel engines negatively influence their ecological parameters. Based on these facts, we may conclude that less air in th
Publikováno v:
Acta Technologica Agriculturae. 16:99-102
The welding of alloy steels in practice is a difficult process in order to achieve mechanically or chemically resistant high-quality welds. In some cases, the weldability of many materials can be difficult or is not recommended because of poor and un
Publikováno v:
Advanced Materials Research. 801:131-136
Every car needs for operation, if possible, the highest quality fuel. Fossil fuels produced from crude oil by conventional technology are being increasingly replaced by alternative fuels. It is caused by new technologies that allow combustion of such