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Calculation of the relative speed of sound in a gas mixture
frequency spectrum speed sound gas mixture
2009/7/20
Since the frequency spectrum of a voice signal is directly dependent on the velocity of sound, studies of speech spectra include the problem of calculating the speed of sound in the gas mixture being ...
Effects of a H2-He-O2 mixture on the HPNS up to 450 msw
hydrogen high pressure nervous syndrome
2009/7/9
A H2-He-O2 mixture with 54 to 56% hydrogen was studied with 6 subjects (professional divers) during 2 dives to 450 m. The 38-h compression was the same as that used with other types of breathing mixtu...
Sleep organization in man during long stays at 30 and 40 bar in a helium-oxygen mixture
saturation retinal eye decompression helium heliox sleep
2009/7/8
Sleep organization was studied during 5 dives with long holds (from 6 to 15 days) at 30 and 40 bar in a helium-oxygen mixture. In total, 16 professional divers participated in these saturation dives; ...
Breathing a mixture of inert gases: disproportionate diffusion into decompression bubbles
decompression bubbles diffusion
2009/6/8
To study the consequences of diving with gas mixtures, we simulated growth of decompression bubbles using an equation system that accounts for major determinants of bubble behavior. When breathing a m...
Sleep organization in man during long stays at 30 and 40 bar in a helium-oxygen mixture
saturation retinal eye decompression heliumheliox sleep
2009/3/25
Sleep organization was studied during 5 dives with long holds (from 6 to 15 days) at 30 and 40 bar in a helium-oxygen mixture. In total, 16 professional divers participated in these saturation dives; ...