Results 121 to 130 of about 1,619,830 (383)

An analysis of aircraft accidents involving fires [PDF]

open access: yes
All U. S. Air Carrier accidents between 1963 and 1974 were studied to assess the extent of total personnel and aircraft damage which occurred in accidents and in accidents involving fire.
Lucha, G. V.   +2 more
core   +1 more source

Wireless Soft Athlete Bioelectronics for Monitoring Carbon Dioxide Ventilation and Physiological Performance

open access: yesAdvanced Science, EarlyView.
A wireless soft athlete bioelectronic system offers a real‐time continuous monitoring of various physiological signals and metabolites during exercise. Abstract Wearable devices have become essential tools for monitoring athletes' health and performance.
Tae Woog Kang   +12 more
wiley   +1 more source

Embedding Monodisperse LaOx Into Pt Nanoclusters for Ultra‐Stable and Efficient Hydrogen Isotope Oxidation

open access: yesAdvanced Science, EarlyView.
The introduction of isolated LaOx species into Pt nanoclusters confined within the silicalite‐1 zeolite significantly enhanced the oxidative removal of hydrogen isotopes. Under reaction conditions of 50 °C and GHSV of 72,000 mL·g−1·h−1, the catalyst achieved an excellent H2 conversion efficiency of over 99%.
Guilin Wei   +8 more
wiley   +1 more source

Corrosion mechanism of Al2O3–C stopper rod by calcium treated molten steel

open access: yesJournal of Materials Research and Technology
The stopper rod plays a crucial role in continuous casting by controlling the flow of molten steel into the mold in the tundish, ensuring a stable molten steel level, and facilitating smooth operation.
Lidong Xing   +3 more
doaj  

A Wearable AI‐Driven Mask with Humidity‐Sensing Respiratory Microphone for Non‐Vocal Communication

open access: yesAdvanced Science, EarlyView.
A wearable, plug‐and‐play respiratory microphone—featuring a gold nanoparticle‐based humidity sensor—facilitates voice‐free verbal communication for patients with impaired vocal fold function. Abstract Hoarseness and dysphonia caused by vocal cord conditions or laryngeal surgeries significantly hinder communication and quality of life.
Jianfei Wang   +8 more
wiley   +1 more source

A peculiar accident [PDF]

open access: yesInternational Journal of Orthodontia, 1916
n ...
openaire   +3 more sources

The Association between Sleep Apnea and the Risk of Traffic Accidents

open access: yes, 1999
Background and Methods Drowsiness and lack of concentration may contribute to traffic accidents. We conducted a case–control study of the relation between sleep apnea and the risk of traffic accidents.
J. Terán-Santos   +2 more
semanticscholar   +1 more source

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