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Wyszukujesz frazę "face protection" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Strategies to mitigate the risk from COVID-19 in ophthalmology
Autorzy:
Poostchi, Ali
Dereń, Joanna K.
Powiązania:
https://bibliotekanauki.pl/articles/1928038.pdf
Data publikacji:
2020
Wydawca:
Medical Education
Tematy:
COVID-19
eye protection
face mask
face shield
protective equipment
Opis:
Many countries, including Poland, are currently dealing with a second wave of COVID-19 infections. There is a pressing need to adapt to the new reality and develop new ways of working in order to deliver essential services safely. In the medical sector, there is a special need to deliver uninterrupted high quality care while minimizing the risk of disease transmission. In this article, we summarize the evidence on the transmission dynamics and ophthalmic features of COVID-19 and suggest a hierarchical approach to infection control, in order to help practitioners understand and mitigate the risks they face each day.
Źródło:
OphthaTherapy; 2020, 7, 4; 356-360
2353-7175
2543-9987
Pojawia się w:
OphthaTherapy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of Curvature Shape of Transparent COVID-19 Protective Face Shields on the Speech Signal
Autorzy:
Bjelić, Miloš
Mijić, Miomir
Miljković, Tatjana
Šumarac Pavlović, Dragana
Powiązania:
https://bibliotekanauki.pl/articles/31339743.pdf
Data publikacji:
2024
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
acoustic effects
COVID-19
curvature
face shield
pandemic
protection
speech
Opis:
Recent papers and studies over the course of last three years have shown that COVID-19 has a negative impact on the speech communication quality between people. This paper presents an influence analysis of the curvature shape of protective transparent shields on the speech signal. Five shields made of the same material and dimensions but with different curvatures were analyzed, from a completely flat to a very curved shield which has the same shape of curvature at its top and bottom and covers the entire face. The influence of the shield is analyzed with two types of experiments – one using dummy head with integrated artificial voice device, and the other using real speakers (female and male actors). It has been shown that usage of protective shields results in a relative increase in the speech signal level, in the frequency range of around 1000 Hz, compared to the situation when protective shields are not used. The relative increase in speech signal levels for large-curvature shields can be up to 8 dB. The possible causes of this phenomenon have been analyzed and examined.
Źródło:
Archives of Acoustics; 2024, 49, 1; 27-35
0137-5075
Pojawia się w:
Archives of Acoustics
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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