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Maximum operating depth

In underwater diving activities such as saturation diving, technical diving and nitrox diving, the maximum operating depth (MOD) of a breathing gas is the depth below which the partial pressure of oxygen (pO2) of the gas mix exceeds an acceptable limit. This limit is based on risk of central nervous system oxygen toxicity, and is somewhat arbitrary, and…

Art, Safe limit of partial pressure of oxygen & Formula

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Safe limit of partial pressure of oxygen

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Maximum operating depth

Nodes39
Edges38
Triples8
Avg. degree1.95
Density0.051282
Components1

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Important terminology

oxygen pressure mod bar partial maximum depth gas breathing toxicity nitrox diving po2 risk limit atm exposure central nervous system

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
saturation divinginstance ofIn underwater diving activities0.80text
technical divinginstance ofIn underwater diving activities0.80text
nitrox divinginstance ofIn underwater diving activities0.80text
the maximum operating depthinstance ofIn underwater diving activities0.80text
helioxinstance ofbut is normally in the range of 1.2 to 1.6 bar.The MOD is significant when planning dives using gases0.80text
nitroxinstance ofbut is normally in the range of 1.2 to 1.6 bar.The MOD is significant when planning dives using gases0.80text
trimix because the proportion of oxygen in the mix determines a maximum depth for breathing that gas at an acceptable riskinstance ofbut is normally in the range of 1.2 to 1.6 bar.The MOD is significant when planning dives using gases0.80text
visual changesinstance ofor central nervous system oxygen toxicity is a time variable response to the partial pressure exposure history of the diver and is both complex and not fully understood.Central…0.80text

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