Systems that incorporate liquid nitrogen traps must never be opened to the atmosphere ... personnel inside and outside of the room of low oxygen levels. Each compressed gas cylinder must be clearly ...

Dry Ice, Liquid Nitrogen, Compressed Gases, Gas Tank regulators and valves are available through Procurement and Payment Services' Lab Gas Program: Lab Services monitors the quantities and locations ...

and FAA ground tests of the prototype showed that the nitrogen is quickly distributed throughout the tank, so no fans are needed to circulate the gas. The system operates in two modes: low-flow ...

In an experiment to simulate what happens when sunlight hits Titan's atmosphere, University of Arizona researchers put nitrogen and methane gas into a stainless steel cylinder and zapped it with ...