Liquid oxygen in combination with many organic (oxidizable ... alarm that will notify personnel inside and outside of the room of low oxygen levels. Each compressed gas cylinder must be clearly ...

A pressure of 200 atmospheres and a temperature of minus 183 degrees: entire families work at this unique enterpriseWhat is it like to ...

Liquid oxygen canisters extend the time of use and are a lighter weight than compressed oxygen, but cost can be a concern. Stationary units can be used only at home or in a care facility.

Liquid oxygen itself thus became available as a ... to the further cooling of the compressed gas; but no practical steps had been taken in this direction till the publication, in October last ...