1 Inspiratory Oxygen Fraction (FiO2) and oxygen partial pressure (paO2) depending on the oxygen flow in different face masks - Efficiency and cost analysis of two different oxygen face masks. 2  Evaluation of two oxygen face masks with special regard to inspiratory oxygen fraction (FiO2) for emergency use in rescue helicopters.
The X-Files review â reboot gets off to a stuttering start then gains momentum. The first episode of the showâs return fails to drag it into the present â but the third episode is a spectacular deconstruction of not only the show but its genre. Brian Moylan. Friday 22 January 2016 04.00 EST Last modified on Friday 29 January 2016 11.15 EST.
1. Open the Terminal. Hidden files in OS X have a . at the beginning of the filename, which OS X automatically hides. To toggle the visibility of these files, you will need to use the Terminal. 1  You can access the Terminal from the Utilities folder, which you can open from the Go menu or from your Applications folder.