Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Janis Baronins"'
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
Autor:
Vera Serga, Aleksej Zarkov, Ervins Blumbergs, Andrei Shishkin, Janis Baronins, Edgars Elsts, Vladimir Pankratov
Publikováno v:
Metals, Vol 12, Iss 11, p 1953 (2022)
Modern technologies for recycling electronic waste (e-waste) have high economic efficiency and environmental safety requirements. Among the existing technologies, hydrometallurgy is considered to be the most promising technology for e-waste recycling
Externí odkaz:
https://doaj.org/article/5463e4c6cb5a40ad948b7bed345852f6
Autor:
Ervins Blumbergs, Vera Serga, Andrei Shishkin, Dmitri Goljandin, Andrej Shishko, Vjaceslavs Zemcenkovs, Karlis Markus, Janis Baronins, Vladimir Pankratov
Publikováno v:
Metals, Vol 12, Iss 9, p 1468 (2022)
Various metals and semiconductors containing printed circuit boards (PCBs) are abundant in any electronic device equipped with controlling and computing features. These devices inevitably constitute e-waste after the end of service life. The typical
Externí odkaz:
https://doaj.org/article/d509da4b86d9474e9d44a924b66806f8
Autor:
Andrei Shishkin, Viktors Mironovs, Hong Vu, Pavel Novak, Janis Baronins, Alexandr Polyakov, Jurijs Ozolins
Publikováno v:
Metals, Vol 8, Iss 11, p 920 (2018)
The circular economy for sustainable economic deployment is strongly based on the re-use of secondary products and waste utilization. In the present study, a new effective cementation method for recovering valuable metallic copper from industrial was
Externí odkaz:
https://doaj.org/article/31c72e3b05fb486e988b03d9588495cb
Publikováno v:
Vibroengineering PROCEDIA. 44:83-86
The article's authors examined the possibilities of intensifying the lyophilization process in an innovative sublimation device with the help of ultrasonic vibration. The introduction of lyophilization technology on an industrial scale began relative
Autor:
Ervins Blumbergs, Vera Serga, Andrei Shishkin, Dmitri Goljandin, Andrej Shishko, Vjaceslavs Zemcenkovs, Karlis Markus, Janis Baronins, Vladimir Pankratov
Various metals and semiconductors containing Printed Circuit Boards (PCBs) are abundant in any electronic device equipped with controlling and computing features. These devices inevitably constitute E-waste after the end of service life. The typical
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e0662950fd1f879b94940cb8aa217410
Autor:
Nikolay Dolgov, Kristine Carjova, Leonid Vinogradov, Olexandr Melnychenko, Janis Brunavs, Sintija Girgensone, Janis Baronins, Lilit Zakoyan
Publikováno v:
Coatings; Volume 12; Issue 8; Pages: 1175
Loading flat coated specimens with tensile forces is a universal method to determine the nature of fracture of hard coatings in maritime applications. Such an approach allows the determination of the shear strength at the interfaces between layers an
Publikováno v:
Key Engineering Materials. 850:9-15
Synthesis or humification of humic substances (HSs) is the second widely applied organic compound transformation process after photosynthesis. Peat decomposition process results in a production of a HSs which has a high demand in agriculture, forestr
Autor:
Janis Baronins, Tatevik Minasyan, Sofiya Aydinyan, Le Liu, Irina Hussainova, Maksim Antonov, Suren Kharatyan
Publikováno v:
Ceramics in Modern Technologies. 1:59-66
Publikováno v:
Key Engineering Materials. 799:9-14
The multilayered AlCrN coating physical vapour deposited (PVD) over the stainless steel (SS) substrate was studied. Raman spectroscopy was used to determine the resistance of the coating under high temperature oxidative conditions (25–800 °C). Sta