Results 21 to 30 of about 535,838 (313)

Investigation of the Role of Face Shape on the Flow Dynamics and Effectiveness of Face Masks

open access: yesFluids, 2022
Due to the COVID-19 pandemic, face masks have been used extensively in society. The effectiveness of face masks depends on their material, design, and fit.
Tomas Solano, Kourosh Shoele
doaj   +1 more source

Multi-Depth Computer-Generated Hologram Based on Stochastic Gradient Descent Algorithm with Weighted Complex Loss Function and Masked Diffraction

open access: yesMicromachines, 2023
In this paper, we propose a method to generate multi-depth phase-only holograms using stochastic gradient descent (SGD) algorithm with weighted complex loss function and masked multi-layer diffraction.
Jiale Quan   +9 more
doaj   +1 more source

Impact of Health Education on Knowledge, Attitude and Practices of COVID-19 among Slum Dwellers of Nashik, India [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2021
Introduction: The spread of Coronavirus Disease 2019 (COVID19) pandemic can be effectively curtailed by COVID-19 appropriate practices. Identifying knowledge gaps and giving health education to address the weak areas will be key to breaking the chain ...
Supriya Dhakne Palwe   +1 more
doaj   +1 more source

Comment Marcel Mauss croyait à l’origine romaine de la Civilisation

open access: yesCahiers Mondes Anciens, 2018
In his famous essay, Une catégorie de l’esprit humain : la notion de personne, celle de “moi”, Marcel Mauss transforms the “person” into a witness of the evolution of Western civilization. With the word "person", whose etymology comes from persona, Mauss
Florence Dupont
doaj   +1 more source

Unmasking the mask: the role of personal protective equipment for ophthalmologists caring for asymptomatic patients during the COVID-19 pandemic [PDF]

open access: yesInternational Journal of Ophthalmology, 2020
The use of personal protective equipment (PPE) for ophthalmologists caring for asymptomatic patients remains controversial. This commentary reviews the latest emerging evidence.
Adrian T. Fung
doaj   +1 more source

Disinfection process with solar drying system [PDF]

open access: yesJournal of Heat and Mass Transfer Research, 2021
COVID-19 has become a health threat around the world. Mask deficiency can be expected during a pandemic infection. The stability of viruses at different temperatures and relative humidity was assessed according to the type of contaminated surface ...
Zeinab Amin   +2 more
doaj   +1 more source

MASK AND PERSONA: CREATING THE BARD FOR BARDCOM

open access: yesPersona Studies, 2020
This article explores a number of perspectives on the creation of very different Shakespeares as personas by first examining the celebration of the 400th anniversary of his death in Stratford-upon-Avon in April 2016 and Shake, Mr Shakespeare, a ...
Peter Holland
doaj   +1 more source

Effects of masks on body′s thermal response in indoor environment

open access: yesXi'an Gongcheng Daxue xuebao, 2021
The effects of wearing different types of masks on human physiology and psychology were explored. The physiological parameters (core temperature, heart rate, skin temperature) and subjective response (thermal sensation voting and thermal comfort voting ...
Lijuan WANG, Guodong ZUO, Mengmeng ZHANG
doaj   +1 more source

Non-invasive mechanical ventilation [PDF]

open access: yesABC: časopis urgentne medicine
Respiratory failure is one of the most common conditions that require urgent medical intervention and represents a major challenge for physicians. Given the importance of the respiratory system, rapid and adequate treatment is crucial for the patient's ...
Đuketić Nikola   +3 more
doaj   +1 more source

Conjunctival microbiota variations in a subset of middle-aged and elderly individuals from Beijing, China [PDF]

open access: yesInternational Journal of Ophthalmology
AIM: To isolate and identify the conjunctival microbiota of cataract patients and analyze the associated influencing factors. METHODS: This study recruited 216 participants (216 eyes) from April 2022 to July 2022. Under the condition of no antibiotic use
Tian-Yao Zhao   +6 more
doaj   +1 more source

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