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Term
O 2 %
pO 2
Repetitive dive
Residual nitrogen
RGBM
92
Explanation
common symptoms are irritation in the
lungs, a burning sensation in the chest,
coughing and reduction of the vital
capacity.
Oxygen percentage or oxygen fraction
in the breathing gas. Standard air has
21% oxygen.
Partial pressure of oxygen. Limits the
maximum depth to which the nitrox
mixture can be safely used. The
maximum partial pressure limit for
enriched air diving is 1.4 bar. The
contingency partial pressure limit is 1.6
bar. Dives beyond this limit risk
immediate oxygen toxicity.
Any dive whose decompression time
limits are affected by residual nitrogen
absorbed during previous dives.
The amount of excess nitrogen
remaining in a diver after one or more
dives.
Reduced gradient bubble model.
Modern algorithm for tracking both
dissolved and free gas in divers.
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