单词 | oxyhelium |
释义 | > as lemmasoxyhelium oxyhelium n. Brit. , U.S. a mixture of oxygen and helium, used as a breathing mixture in deep-sea diving.ΘΚΠ the world > matter > gas > [noun] > specific gases > gas used in breathing apparatus oxylithe1902 oxyhelium1966 tri-mix1976 1966 A. B. Cameron in P. Hepple Petroleum Supply & Demand 38 The use of oxyhelium equipment now enables them [sc. divers] to remain as deep as 525 ft for periods up to 30 minutes. 1969 Physics Bull. Feb. 51/2 There is a problem of speech communication between divers breathing oxy-helium and the men on the surface. 1988 Financial Times (Nexis) 22 Dec. 14 Oxyhelium, which the French refer to as Heliox, contains helium as a dilutant replacing nitrogen. < as lemmas |
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