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Gas is breathed at ambient pressure, and some of this gas dissolves into the blood and other fluids. Inert gas continues to be taken up until the gas dissolved in the tissues is in a state of equilibrium with the gas in the lungs (see saturation diving), or the ambient pressure is reduced until the inert gases dissolved in the tissues are at a higher concentration than the equilibrium state ...
Equivalent air depth – Method of comparing decompression requirements for air and a given nitrox mix; Equivalent narcotic depth – Method for comparing the narcotic effects of a mixed diving gas with air; History of decompression research and development – Chronological list of notable events in the history of diving decompression.
Haldane's decompression model is a mathematical model for decompression to sea level atmospheric pressure of divers breathing compressed air at ambient pressure that was proposed in 1908 by the Scottish physiologist, John Scott Haldane (2 May 1860 – 14/15 March 1936), [1] who was also famous for intrepid self-experimentation.
Partial melting is the phenomenon that occurs when a rock is subjected to temperatures high enough to cause certain minerals to melt, but not all of them. Partial melting is an important part of the formation of all igneous rocks and some metamorphic rocks (e.g., migmatites), as evidenced by a multitude of geochemical, geophysical and petrological studies.
A simple substance (like water) may exist in equilibrium with its thermal decomposition products, effectively halting the decomposition.The equilibrium fraction of decomposed molecules increases with the temperature.
The pressure on a pressure-temperature diagram (such as the water phase diagram shown above) is the partial pressure of the substance in question. A phase diagram in physical chemistry , engineering , mineralogy , and materials science is a type of chart used to show conditions (pressure, temperature, etc.) at which thermodynamically distinct ...
Near-isothermal decompression after the peak (Stage 1 retrograde metamorphism) [2] Further decompression and cooling at a slow rate (Stage 2 retrograde metamorphism) [ 2 ] One might expect that the rock reaches its peak metamorphism at the peak temperature and pressure at similar time, and near- isothermal decompression P-T-t path is observed ...
Decompression (comics), in comic book storytelling, is the stylistic choice to tell a story mainly by visuals, with few words. Decompression, a 2012 novel by Juli Zeh; Decompression (surgery), a procedure used to reduce pressure on a compressed structure, such as spinal decompression