Zobrazeno 1 - 10
of 92
pro vyhledávání: '"N. Wieczorek"'
Publikováno v:
Advances in Sample Preparation, Vol 10, Iss , Pp 100114- (2024)
The primary objective of this contribution is to offer insights into fundamentals associated with typical sample preparation, facilitating rational design of new analytical technologies and effective optimization of existing techniques. Sample prepar
Externí odkaz:
https://doaj.org/article/8b6c273c13a34f95a11208d3c2f26453
Publikováno v:
Journal of Pharmaceutical Analysis, Vol 13, Iss 2, Pp 216-222 (2023)
The direct coupling of solid-phase microextraction (SPME) to mass spectrometry (MS) (SPME-MS) has proven to be an effective method for the fast screening and quantitative analysis of compounds in complex matrices such as blood and plasma. In recent y
Externí odkaz:
https://doaj.org/article/1c6d98e417c34609a2727d1c7496ff7a
Publikováno v:
Frontiers in Nutrition, Vol 10 (2023)
Externí odkaz:
https://doaj.org/article/c8065b39f85a4129a88da7ae29c79502
Publikováno v:
Applied Sciences, Vol 14, Iss 5, p 1764 (2024)
This study presents the structure and principles of operation of the control system for a bucket conveyor operating in a jig preparation plant. The idea of controlling the conveyor speed is to maintain constant, nominal filling of the buckets, and th
Externí odkaz:
https://doaj.org/article/a91318f7819f4e5294b045bd455af240
Publikováno v:
Molecules, Vol 28, Iss 24, p 7985 (2023)
This review presents an outline of the application of the most popular sorbent-based methods in food analysis. Solid-phase extraction (SPE) is discussed based on the analyses of lipids, mycotoxins, pesticide residues, processing contaminants and flav
Externí odkaz:
https://doaj.org/article/acd53da9cad64e20b176f0f9d2f7ded8
Autor:
Andrzej N. WIECZOREK
Publikováno v:
Scientific Journal of Silesian University of Technology. Series Transport, Vol 111, Pp 193-204 (2021)
This paper presents the problem of the operation of gear transmissions in the context of ensuring appropriate lubrication conditions. Damage caused by improper lubrication was discussed. Attention was drawn to the issue of oil contamination. Furtherm
Externí odkaz:
https://doaj.org/article/d0805a3b9d344cb3ba449e88b56d66ba
Autor:
Krzysztof Kotwica, Grzegorz Stopka, Andrzej N. Wieczorek, Marek Kalita, Dominik Bałaga, Michał Siegmund
Publikováno v:
Energies, Vol 16, Iss 3, p 1402 (2023)
Longwall shearers’ haulage system of the Eicotrack type, used most often nowadays, is presented in this article. Its disadvantages, causing problems with a correct operation of mechanized longwall shearer systems, are discussed. The concept of the
Externí odkaz:
https://doaj.org/article/9ccb98a673a4441c916d161a7f39aa86
Autor:
Mariusz Kuczaj, Andrzej N. Wieczorek, Łukasz Konieczny, Rafał Burdzik, Grzegorz Wojnar, Krzysztof Filipowicz, Grzegorz Głuszek
Publikováno v:
Sensors, Vol 23, Iss 1, p 287 (2022)
The article provides a discussion on a methodology intended for testing of power transmission systems featuring an innovative highly torsionally flexible metal clutch patented by the co-authors of this paper. What this methodology takes into account
Externí odkaz:
https://doaj.org/article/9ec853fa8a8d461884b4ee1db30f2446
Autor:
Andrzej N. Wieczorek, Łukasz Konieczny, Rafał Burdzik, Grzegorz Wojnar, Krzysztof Filipowicz, Mariusz Kuczaj
Publikováno v:
Sensors, Vol 22, Iss 6, p 2183 (2022)
The paper presents how an important aspect of introducing new machines, especially in the mining industry, is testing a prototype under laboratory conditions. For this purpose, advanced methods of analyzing the vibrations of a drive system equipped w
Externí odkaz:
https://doaj.org/article/9c550c5a11544f6780a524bf27ba589f
Autor:
Martyna N. Wieczorek, Piotr Mariusz Pieczywek, Justyna Cybulska, Artur Zdunek, Henryk H. Jeleń
Publikováno v:
Molecules, Vol 27, Iss 2, p 500 (2022)
The storage of plant samples as well as sample preparation for extraction have a significant impact on the profile of metabolites, however, these factors are often overlooked during experiments on vegetables or fruit. It was hypothesized that paramet
Externí odkaz:
https://doaj.org/article/91754797a1ee497fa68d4e09775ada8e