Zobrazeno 1 - 10
of 546
pro vyhledávání: '"K. Piotrowska"'
Publikováno v:
Metalurgija, Vol 63, Iss 1, Pp 53-56 (2024)
The paper presents the results of tribological tests of the Ti13Nb13Zr titanium alloy - carried out in the conditions of lubrication with liquids simulating body fluids. Artificial saliva solutions were used for the tests. Two pH values were used –
Externí odkaz:
https://doaj.org/article/32fc096dba3c4c4f9db90c53a58f796c
Publikováno v:
Metalurgija, Vol 63, Iss 1, Pp 57-60 (2024)
The HS6-5-2C steel samples with different surface roughness were used for the tests. After grinding had a roughness parameter of Ra = 0,03 μm, and after polishing Ra = 0,01 μm. A TiAlN coating was applied to the substrate prepared in this way. Usin
Externí odkaz:
https://doaj.org/article/bca42754432a41db900376d35356d136
Publikováno v:
Metalurgija, Vol 63, Iss 1, Pp 81-84 (2024)
The aim of the study was to analyze the properties of diamond-like carbon coatings - DLC in machines operating in the lime industry. DLC coatings were deposited by the Plasma-Enhanced Chemical Vapor Deposition PECVD method on 100Cr6 steel samples. Ch
Externí odkaz:
https://doaj.org/article/13ff94e9b7814c47a76c302cfd80f588
Publikováno v:
Metalurgija, Vol 63, Iss 1, Pp 85-88 (2024)
This paper presents the tribological properties of diamond-like-carbon coatings (DLC) doped with tungsten. The hardness of the DLC coating was determined using a micro-hardness tester. Friction tests were carried out on a tribometer in rotational mot
Externí odkaz:
https://doaj.org/article/714a8dfeccd448cbaa610da3b975cd18
Autor:
K. Piotrowska, M. Madej
Publikováno v:
Metalurgija, Vol 61, Iss 3-4, Pp 665-668 (2022)
The paper presents the geometric structure of the surface, hardness and the results of tribological tests for TiO2 layers obtained by the ALD technique. The geometrical structure of the surface before and after the tribological tests was assessed usi
Externí odkaz:
https://doaj.org/article/7de6d2507da54857928699c129abf8fe
Autor:
K. PIOTROWSKA
Publikováno v:
Terotechnology XII.
The paper presents the results of research on the surface texture, adhesion, and the results of tribological tests of TiO2 coatings obtained with the ALD technique. The geometric structure of the surface before and after the tribological tests was as
Akademický článek
Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
K zobrazení výsledku je třeba se přihlásit.
K zobrazení výsledku je třeba se přihlásit.
Autor:
Katarzyna K. Piotrowska-Tomala, Agnieszka W. Jonczyk, Anna Z. Szóstek-Mioduchowska, Ewelina Żebrowska, Graca Ferreira-Dias, Dariusz J. Skarzynski
Publikováno v:
Frontiers in Veterinary Science, Vol 8 (2022)
We examined the effect of prostaglandin (PG) E2 on the secretory function of equine corpus luteum (CL), according to the application site: intra-CL injection vs. an intrauterine (intra-U) administration. Moreover, the effect of intra-CL injection vs.
Publikováno v:
Frontiers in Veterinary Science
We investigated the effects of different doses of dinoprost injected directly into the bovine corpus luteum (CL) on (i) concentrations of progesterone (P4) and oxytocin (OT) in peripheral blood and (ii) mRNA levels of steroidogenic acute regulatory p
Autor:
Katarzyna K, Piotrowska-Tomala, Agnieszka W, Jonczyk, Anna Z, Szóstek-Mioduchowska, Ewelina, Żebrowska, Graca, Ferreira-Dias, Dariusz J, Skarzynski
Publikováno v:
Frontiers in veterinary science. 8
We examined the effect of prostaglandin (PG) E