Zobrazeno 1 - 10
of 94
pro vyhledávání: '"Protective mask"'
Publikováno v:
Kemija u Industriji, Vol 73, Iss 3-4, Pp 139-146 (2024)
Disposable protective face masks, the most used personal protective tools during the Covid-19 pandemic, have become a serious environmental concern that needs urgent attention. In this study, disposable protective face masks were disassembled into th
Externí odkaz:
https://doaj.org/article/38117e4c52b243bfa9aa9c24c629a6ae
Autor:
Gelir Ali, Asicioglu Faruk, Yilmaz Aysegul S., Kuskucu Mert, Doymaz Mehmet, Özdemir Onur B., Sarıbal Devrim, Salman Seda, Kadi Ömer F., Özdemir Sedat, Seyhan Sinem N.
Publikováno v:
Arhiv za Higijenu Rada i Toksikologiju, Vol 74, Iss 4, Pp 282-287 (2023)
During the Covid-19 pandemic, one of the best means of personal protection was using face masks. In this context, the World Health Organization has declared the attempts to produce masks inactivating airborne virus species a welcome initiative. This
Externí odkaz:
https://doaj.org/article/66a2a6e13d1b46329839e601bef1eff3
Autor:
Jozef Kubás, Boris Kollár, Michal Tonhauser, Jozef Ristvej, Katarína Petrlová, Kateřina Blažková
Publikováno v:
Applied Sciences, Vol 14, Iss 16, p 7179 (2024)
This article focuses on the testing and evaluation of gas protective masks based on subjective aspects, since most studies focus on objective indicators without ascertaining the opinions of those who use gas protective masks. Three types of modern an
Externí odkaz:
https://doaj.org/article/1735b316a685477eb582562ce7a1355a
Autor:
V.V. Petrov, A.A. Kryuchyn, I.V. Gorbov, A.V. Pankratova, D.Yu. Manko, Yu.O. Borodin, O.V. Shikhovets
Publikováno v:
Фізика і хімія твердого тіла, Vol 24, Iss 2, Pp 298-303 (2023)
An analysis of technologies that allow creating microrelief structures on the surface of sapphire substrates has been carried out. It is shown that the most effective method of forming relief structures with submicron dimensions is ion beam etching t
Externí odkaz:
https://doaj.org/article/949f2246958848498d4a585a13c7f10d
Publikováno v:
Materials Research, Vol 26 (2023)
Herein, the applicability and performance of 22MnB5 steel sheets as protective masks over hot forging dies has been analyzed. Two masks were obtained following two different approaches; by heat treatment of flat sheets in cooling conditions similar t
Externí odkaz:
https://doaj.org/article/c82b071a45654e7c86fd7effd6b03e83
Akademický článek
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Publikováno v:
Frontiers in Psychology, Vol 13 (2022)
This study tests the influence of wearing a protective face mask on the perceived attractiveness of the wearer. Participants who identified as White, and who varied in their ideological stance toward mask wearing, rated the attractiveness of facial p
Externí odkaz:
https://doaj.org/article/c9f21b51170d400abb100e5e4bd36b9b
Publikováno v:
FME Transactions, Vol 47, Iss 3, Pp 496-501 (2019)
Technical contradiction occurs when the system improves one parameter, which automatically causes the deterioration of some of its other parameters. In such a situation, instead of usual acceptance of the optimization of the solution to the problem,
Externí odkaz:
https://doaj.org/article/bd1f54b28c9c4f309c0fcb3d0a603223
Autor:
Magdalena Skrzyniarz, Marcin Sajdak, Monika Zajemska, Józef Iwaszko, Anna Biniek-Poskart, Andrzej Skibiński, Sławomir Morel, Paweł Niegodajew
Publikováno v:
Energies, Vol 15, Iss 7, p 2629 (2022)
This paper presents an assessment of the impact of the COVID-19 pandemic on the waste management sector, and then, based on laboratory tests and computer calculations, indicates how to effectively manage selected waste generated during the pandemic.
Externí odkaz:
https://doaj.org/article/693bd1ecbf754b87bc7435075cde792a
Publikováno v:
Applied Sciences, Vol 11, Iss 11, p 4829 (2021)
In this paper, with the aim of assessing the deterioration of speech intelligibility caused by a speaker wearing a mask, different face masks (surgical masks, FFP2 mask, homemade textile-based protection and two kinds of plastic shields) are compared
Externí odkaz:
https://doaj.org/article/85839f4c7c174315b808434106294582