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Home >> Sci-Edu
UPDATED: 15:17, January 04, 2007
China's first helium-oxygen saturation dive completed
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China's first helium-oxygen saturation dive was conducted by the Shanghai Salvage Bureau of Ministry of Communications on the evening of December 30, with divers returning to the Chiwan base in Shenzhen.

Twelve divers undertook altogether 28 dives over 390 hours, working underwater for a combined total of 126 hours to change an oil field vitta. Divers had trained in a simulated environment, but this was their first dive to a maximum depth of 103.5 meters.

Helium-oxygen saturation dives are very similar to launches of manned spacecraft. The difference is that the astronauts are in a vacuum and a low-pressure environment, while divers work in a high-pressure, underwater environment.

By People's Daily Online

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