Zobrazeno 1 - 10
of 991
pro vyhledávání: '"J Krawczyk"'
Autor:
K. Ścibisz, J. Krawczyk
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 69, Iss No 1, Pp 365-373 (2024)
This paper presents an analysis of non-metallic inclusions occurring in high-silicon steels containing about 3% Si of terms of their type, volume fraction and morphology. The inclusions were divided into 3 main groups: oxides, sulfides, nitrides whic
Externí odkaz:
https://doaj.org/article/9079bb4b4f474dbb815af81b46d02814
Autor:
K. Ścibisz, J. Krawczyk
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 69, Iss No 1, Pp 381-387 (2024)
Improvement of magnetic properties of electrical steel can be achieved by reduction the size of magnetic domains. The application of local stresses through laser scribing leads to reduced core losses. In order to determine the effect of laser refinem
Externí odkaz:
https://doaj.org/article/0c771ad8254547ba8bc50631afbd649a
Autor:
J. Wojciechowska-Puchałka, J. Calik, J. Krawczyk, J. Obrzut, E. Tomaszewska, S. Muszyński, D. Wojtysiak
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-14 (2024)
Abstract The negative effect of caponization on the structural, geometric and mechanical parameters of femur and tibia has been shown in a few studies. Nevertheless, its influence on tibia bone microarchitecture is still largely unknown. Therefore, t
Externí odkaz:
https://doaj.org/article/8ee2a33f447147fba6935172f40dec0e
Publikováno v:
Biomolecules, Vol 14, Iss 10, p 1263 (2024)
Antibiotics targeting the bacterial ribosome are essential to combating bacterial infections. These antibiotics bind to various sites on the ribosome, inhibiting different stages of protein synthesis. This review provides a comprehensive overview of
Externí odkaz:
https://doaj.org/article/b0bdbff2b8804bd68e2bcbf071cba3b0
Autor:
J. Wojciechowska-Puchałka, J. Calik, J. Krawczyk, J. Obrzut, E. Tomaszewska, S. Muszyński, D. Wojtysiak
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-13 (2023)
Abstract The presented study focuses on assessing the effect of caponization on the densitometric, osteometric, geometric and biomechanical parameters of tibial bones in crossbred chickens. The study was carried out on 96 hybrids between Yellowleg Pa
Externí odkaz:
https://doaj.org/article/78baa0ab4b534609adafba85d85a42d3
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 67, Iss No 4, Pp 1395-1410 (2022)
Tests were performed on example tools applied in hot die forging processes. After withdrawal from service due to excessive wear, these tools can be regenerated for re-use through machining and hardfacing. First, analysis of worn tools was carried out
Externí odkaz:
https://doaj.org/article/871d86fa54e849db9fe0bf36395ed5f6
SEMANTIC URBAN MESH SEGMENTATION BASED ON AERIAL OBLIQUE IMAGES AND POINT CLOUDS USING DEEP LEARNING
Publikováno v:
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XLIII-B2-2022, Pp 485-491 (2022)
The use of deep machine learning methods for semantic classification of city mesh models is one of the current trends in geoscience development. Thanks to the thriving development of Convolutional Neural Networks (CNNs) it is now achievable to conduc
Externí odkaz:
https://doaj.org/article/005163df081b411193bc938f353af436
Autor:
M. Paćko, J. Krawczyk, T. Śleboda, T. Frocisz, M. Rumiński, O. Lypchanskyi, T. Tokarski, P. Piasecki
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 66, Iss No 2, Pp 601-608 (2021)
The analysis of the development of the microstructure of deep drawn automotive B pillar, as well as the analysis of deformation based on numerical simulation and experiment, was performed. The microstructure of steel sheet as well as Al-Si coating af
Externí odkaz:
https://doaj.org/article/88df0ce415ed475699025727dcb9d6ea
Autor:
K. Jaśkiewicz, M. Skwarski, S. Polak, Z. Gronostajski, J. Krawczyk, P. Kaczyński, W. Chorzępa
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 65, Iss No 2, Pp 697-705 (2020)
The paper covers the research on the process of solutionizing of 7075 aluminum alloy in cold tools during the stamping of a high-strength structural element (B-pillar’s base). For technological reasons, in order to obtain high strength parameters o
Externí odkaz:
https://doaj.org/article/4f3d9fc4d2684c4aaf4d253bf68be0f2
Autor:
Weronika J. Krawczyk
Publikováno v:
Gospodarka Narodowa. The Polish Journal of Economics, Vol 299, Iss 3, Pp 119-144 (2019)
The purpose of this case study article is to explore the process of public finance fraud resulting in an unjust enrichment of local ruling elites in Zimbabwe, a resource-rich yet paradoxically fragile state characterised by decades of rule by Robert
Externí odkaz:
https://doaj.org/article/492e1c8a7327493591c61d63b4715760