When the sample touches equilibrium with the adsorbate gas, the end equilibrium pressure is recorded ... track pressures below 1 atmosphere and is safe from high pressure with an isolation valve and a ...

National grid was repairing a pinhole in a high pressure gas valve on 101st Avenue just after 6 a.m. Thursday. As crews were making repairs, the line, which was corroded, failed and damaged a ...

First, they put a gas in a sealed container under high pressure ... In the next step, they released the pressure on the cold liquid, usually through a valve into another container.