Shares 1. Air pressure is the weight (or force) of the atmosphere at any particular point. Although you canât feel it or see it, air pressure plays an important part in weather, and can be demonstrated with some really fun experiments.
familiar with breathalyzers that require drivers to provide a deep-lung sample by blowing into a tube or other sensor. In contrast, the breath-based system being developed by Autoliv Development is designed to unobtrusively analyze alcohol in the driverâs breath. Drivers will simply be able to enter the vehicle and
Test names: DLCO (carbon monoxide diffusion test), Lung Diffusion Test. 1  Description of test: Patient breathes a small volume of carbon monoxide gas (nonlethal amount), holds breath for 10 seconds and exhales. 2  Values obtained: DLCO, DLVA. 3  Measures: Diffusion capacity of lungs and determines surface area.