Cryogenic liquids are materials with a boiling point of less than – 100 °F (-73 °C); common examples include liquid nitrogen, helium, and argon, and dry ice/alcohol slurries. Cryogenic liquids undergo ...

Management of compressed gas cylinders is very dangerous because of the unusual characteristics some of them posses: storage under pressure, flammability, and many lack a distinguishable odor or color ...

Research personnel must become familiar with the properties and inherent hazards of the compressed gases used in the laboratory. Compressed gas cylinders contain varying pressures of inert, toxic, ...

THE use of oxygen with coal-gas in a laboratory furnace has up to the present been attended with serious difficulties, owing to the intensely local nature of the heat obtained, and the consequent ...

Medically reviewed by Daniel More, MD Key Takeaways Oxygen therapy can help people with COPD breathe better and do daily activities with less difficulty.There are three types of oxygen therapy: ...