Results 151 to 160 of about 374,438 (321)

Cavitation Erosion of Copper, Brass, Aluminum and Titanium Alloys in Mineral Oil [PDF]

open access: yes
The variations of the mean depth of penetration, the mean depth rate of penetration, MDRP, the pit diameter 2a and depth h due to cavitation attack on Al 6061-T6, Cu, brass of composition Cu-35Zn-3Pb and Ti-5A1-2.5Sn are presented.
Buckley, D. H., Rao, B. C. S.
core   +1 more source

The Effects of COVID‐19 on Voice

open access: yesWorld Journal of Otorhinolaryngology - Head and Neck Surgery, EarlyView.
ABSTRACT The COVID‐19 pandemic had profound effects on vocal health, impacting both infected individuals, professional voice users and essential workers. The objective of this paper was to explore the multifaceted nature of dysphonia associated with COVID‐19, arising from both direct and indirect consequences of the pandemic.
Mausumi Syamal
wiley   +1 more source

Investigating Technical Solutions to Improve the Near Real Time Measurement of Low‐Z Elements in Atmospheric Particulate Matter by Energy Dispersive X‐Ray Fluorescence Spectroscopy

open access: yesX-Ray Spectrometry, EarlyView.
ABSTRACT The measurement of the elemental composition of atmospheric Particulate Matter (PM) is of paramount importance in air pollution studies, providing fundamental information for identifying aerosol sources and understanding their contributions.
Cosimo Fratticioli   +10 more
wiley   +1 more source

Pigment Analysis in Paintings by the Brazilian Artist Di Cavalcanti Using IRR and MA‐XRF

open access: yesX-Ray Spectrometry, EarlyView.
ABSTRACT This study analyses the pictorial materials used by the renowned Brazilian artist Di Cavalcanti (1897–1976) in two modern oil paintings on canvas from 1962, part of the collection at the Chácara do Céu Museum in Rio de Janeiro, Brazil. This analysis was carried out using imaging: visible light imaging and infrared reflectography (IRR), as well
Raysa Nardes   +6 more
wiley   +1 more source

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