equivalent oxygen pressure

oxygen pressure, equivalent (EOP) 

A percentage value of the assumed oxygen pressure existing behind a contact lens. The oxygen pressure in the air corresponds to about 20.9% (or about 159 mmHg; that value is actually close to 155 mmHg because of the presence of water vapour) and each percentage point is equal to a pressure of about 7.4 mmHg.
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References in periodicals archive ?
The real oxygen partial pressure at magnetite/supercritical water interface is not dissolved oxygen partial pressure, but the equivalent oxygen pressure which corresponds to the thermodynamic equilibrium of the following.
According to dissociation equation, Gibbs free energy, and water dissociation reaction rate, the equivalent oxygen pressure at magnetite/supercritical water interface can be evaluated.
Estimation of Oxidation Kinetics and Oxide Scale Void Position of Ferritic-Martensitic Steels in Supercritical Water

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