Zobrazeno 1 - 10
of 1 703
pro vyhledávání: '"Filtration efficiency"'
Autor:
Tomás E. G. Alvarez-Arenas, Timothy A. Sipkens, Joel C. Corbin, Patricia Salso, Vicente Genovés
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-13 (2024)
Abstract Non-contact methods are useful to improve the quality control of particle filtration media. The purpose of this paper is to investigate the correlation between the filtration efficiency of a porous sheet and its ultrasonic properties obtaine
Externí odkaz:
https://doaj.org/article/9d926fc823b548be8cb8dd8781b50ce8
Publikováno v:
Geomatics, Natural Hazards & Risk, Vol 15, Iss 1 (2024)
This study enhances the understanding of virus removal efficiency by filters, crucial for predicting respiratory disease transmission risk and guiding outbreak prevention. Current research often neglects the survival behaviour of pathogens. Addressin
Externí odkaz:
https://doaj.org/article/50916d6135c6451b848c3f27e74b7a78
Autor:
Saba Kalantary, Mohammad Reza Pourmand, Ensieh Masoorian, Mirghani Seyd Someah, Zahra Barkhordarian, Sara Hajinejad, Farideh Golbabaei
Publikováno v:
بهداشت و ایمنی کار, Vol 14, Iss 2, Pp 230-243 (2024)
Introduction: Protection of the respiratory system has been a vital, and for this purpose, various solutions have been proposed, including the use of masks. One of the most important parameters to measure the effectiveness of the mask against the pen
Externí odkaz:
https://doaj.org/article/db28f6c5fe3f4808930f75a384e1777c
Publikováno v:
BMC Research Notes, Vol 17, Iss 1, Pp 1-4 (2024)
Abstract Objectives Due to the COVID-19 pandemic and the shortage of the National Institute for Occupational Safety & Health (NIOSH)-approved N95 respirators, the Food and Drug Administration granted an Emergency Use Authorization to allow the use of
Externí odkaz:
https://doaj.org/article/5afd0bf030ea42c8a97c5f809f387e92
Publikováno v:
Yuanzineng kexue jishu, Vol 57, Iss 11, Pp 2101-2109 (2023)
The microfluidic inertial impactor can be used as the first-stage filtration device in the filtered containment venting system (FCVS). This equipment can separate radioactive aerosols from the flowing medium passively, enabling rapid depressurization
Externí odkaz:
https://doaj.org/article/5fc7c709609544ed89b0d6e7d2d15bc6
Autor:
Maria Federica De Riccardis
Publikováno v:
Compounds, Vol 3, Iss 3, Pp 390-410 (2023)
Air filtration is an urgent global need because, in many countries and regions, the high concentration of inhalable suspended particles in the air is causing irreversible damage to human health. The use of nanofibrous membranes can help to reduce air
Externí odkaz:
https://doaj.org/article/0fc093109e3140398ec02e4519c70438
Publikováno v:
بهداشت و ایمنی کار, Vol 13, Iss 2, Pp 218-235 (2023)
Introduction: The important parameters for evaluating the performance of particle filtering respirators in international standards are the filtration efficiency and respiratory resistance of the mask filter against airflow passage. To improve nanofib
Externí odkaz:
https://doaj.org/article/8f6a179e5e124b0e939c7e1a457e563f
Autor:
Ching Wen Lou, Sen Li, Yujia Fan, Ting-Ting Li, Xing Liu, Liyan Liu, Bing-Chiuan Shiu, Jia-Horng Lin
Publikováno v:
Journal of Materials Research and Technology, Vol 24, Iss , Pp 9949-9960 (2023)
With the aggravation of environmental pollution and the worldwide epidemic of infectious diseases, there is a higher demand for air filtration materials to intercept fine particulate matter and capture biological pollutants. Polypropylene (PP)/polyca
Externí odkaz:
https://doaj.org/article/045709e5c0d34372ad609c75ee8fa4c3
Publikováno v:
Machines, Vol 12, Iss 6, p 417 (2024)
Some users consider modern hydrostatic drives and controls to be unreliable and difficult to maintain. This view is often due to operational problems caused by issues with obtaining and then maintaining the appropriate cleanliness class of the workin
Externí odkaz:
https://doaj.org/article/89a61a1ebbd7424484befb7841f16865
Autor:
Tadeusz Dziubak
Publikováno v:
Energies, Vol 17, Iss 11, p 2462 (2024)
This paper presents an experimental study of the effect of the mass of dust retained on a fibrous filter bed operating singly and in a “cyclone-filter-bed” system on changes in filtration efficiency and accuracy, as well as the increase in flow r
Externí odkaz:
https://doaj.org/article/2417d2c65df7482d8b58b5617ead564f