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单词 tri-mix
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tri-mix
tri-mix n.
Brit. /ˈtrʌɪmɪks/
,
U.S. /ˈtraɪˌmɪks/
a breathing mixture for deep-sea divers composed of nitrogen, helium, and oxygen.
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the world > matter > gas > [noun] > specific gases > gas used in breathing apparatus
oxylithe1902
oxyhelium1966
tri-mix1976
1976 Jrnl. Appl. Physiol. 40 605/2 Each subject..breathed either air or a mixture of 36% helium, 21% oxygen, and 43% nitrogen (tri-mix) during cycles of immersed work.
1981 New Scientist 12 Feb. 390 Last week a team of divers..broke the world record for a simulated dive, experiencing pressures equivalent to those 686 metres beneath the sea surface... Part of the secret of the test's success was that the divers breathed a recently developed gas mixture, called trimix.
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