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Template {{APHD}} is used to create augmented packet header diagrams. Template parameters [Edit template data] Parameter Description Type Status table header 1 (start) Generates the header. Example start String suggested offset 1 (numerical) If this parameter is numerical then it is interpreted as the octet offset of this 4 octet-sized table row, which is displayed in the left header. The bit ...
The profile of a dive is the variation of depth, measured as ambient pressure, over time during that dive. The actual location of the diver at any time is generally not considered, as the dive profile is a tool for dive planning and decompression status calculation.
DSV – diving support vessel or drilling supervisor; DTI – Department of Trade and Industry (UK) (obsolete; superseded by dBERR, which was then superseded by DECC) DTPB – CNT true vertical-depth playback log; DTT – depth to time; DUC – drilled but uncompleted wells; DVD – Depth versus Day
Underwater diving is practiced as part of an occupation, or for recreation, where the practitioner submerges below the surface of the water or other liquid for a period which may range between seconds to the order of a day at a time, either exposed to the ambient pressure or isolated by a pressure resistant suit, to interact with the underwater ...
Penetration diving is also known as diving in overhead environments, which is a class of confinement which restricts the diver from free vertical access to the surface.An overhead environment may also be a confined space, in which the diver is restricted in their ability to maneuver, and is roughly the opposite of open water.
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Human physiology of underwater diving is the physiological influences of the underwater environment on the human diver, and adaptations to operating underwater, both during breath-hold dives and while breathing at ambient pressure from a suitable breathing gas supply.
An overhead or penetration diving environment is where the diver enters a space from which there is no direct, purely vertical ascent to the safety of breathable atmosphere at the surface. Cave diving, wreck diving, ice diving and diving inside or under other natural or artificial underwater structures or enclosures are examples. The ...