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pro vyhledávání: '"Blumbergs, P."'
Akademický článek
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Autor:
Ashish Kumar Singh, Reinis Drunka, Paula Iesalniece, Ilmars Blumbergs, Ints Steins, Toms-Valdemars Eiduks, Mairis Iesalnieks, Konstantins Savkovs
Publikováno v:
Surfaces, Vol 6, Iss 4, Pp 364-379 (2023)
Oxide films produced from plasma electrolytic oxidation are porous in structure. While they have some passivating effect in Mg alloys, the pores still lead to corrosion over long periods of exposure. In this study, spray pyrolysis was used to seal th
Externí odkaz:
https://doaj.org/article/8da056ab345e46b1901bac1660ba703e
Publikováno v:
Medžiagotyra, Vol 29, Iss 3, Pp 298-304 (2023)
The plasma electrolytic oxidation method was used with AZ31 magnesium alloy plates for improving the corrosion resistance of the alloy. Process parameters for the plasma electrolytic oxidation setup were optimized by studying the effects of KOH conce
Externí odkaz:
https://doaj.org/article/75d5f98dc9ba46a099f44be4c34f7861
Publikováno v:
Advances in Sciences and Technology, Vol 17, Iss 1, Pp 267-273 (2023)
The article discusses the current state of development of supersonic transport, analyses the main limitation of the use of gas turbine engines when flying at high supersonic flight speeds, proposes a method for expanding the range of GTE limitations
Externí odkaz:
https://doaj.org/article/254edea38e6f44ca86ed75c79ef38c92
Autor:
Artis Rusins, Deniss Tiscenko, Eriks Dobelis, Eduards Blumbergs, Krisjanis Nesenbergs, Peteris Paikens
Publikováno v:
Data, Vol 9, Iss 4, p 53 (2024)
Wearable devices, such as headsets and activity trackers, rely heavily on the Bluetooth and/or the Bluetooth Low Energy wireless communication standard to exchange data with smartphones or other peripherals. Since these devices collect personal healt
Externí odkaz:
https://doaj.org/article/bb1d977d27054156bbf3816ea6450b03
Publikováno v:
Advances in Sciences and Technology, Vol 16, Iss 6, Pp 147-155 (2022)
This paper is a study on the results of strength tests on single-lap joints used primarily in the aerospace industry, based on a Hi-Lok fastener. Two popular structural materials used in the aerospace industry were considered in this work. The test s
Externí odkaz:
https://doaj.org/article/c213861c64fc43b2bf620b78f636e053
Akademický článek
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Autor:
Ervins Blumbergs, Andrei Shishkin, Karlis Markus, Vera Serga, Dmitri Goljandin, Artur Klauson, Vitalijs Abramovskis, Janis Baronins, Aleksej Zarkov, Vladimir Pankratov
Publikováno v:
Metals, Vol 14, Iss 1, p 95 (2024)
Printed circuit boards (PCBs) make up 3 to 5% of all electronic waste. The metal content of spent PCBs can reach 40%. They usually contain valuable metals, such as Ag, Au, and Pd, as well as other metals such as Cu, Sn, Pb, Cd, Cr, Zn, Ni, and Mn. Ho
Externí odkaz:
https://doaj.org/article/8e20a363b74b400ba44780def950019d
Akademický článek
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Publikováno v:
Archive of Mechanical Engineering, Vol vol. 68, Iss No 4, Pp 449-471 (2021)
This study aims to optimize the 2-cylinder in-line reciprocating compressor crankshaft. As the crankshaft is considered the "bulkiest" component of the reciprocating compressor, its weight reduction is the focus of current research for improved perfo
Externí odkaz:
https://doaj.org/article/9952d61683ef41928567a1fffc5aaeb7