The sintering is conducted in an atmosphere containing nitrogen and in the presence of an oxygen getter.

Objective: To study the effect of different humidifying agent on oxygen inhalation in acute pneumonedema of rabbits and select the suitable humidifying agent.

The control group received cardiac stimulant, ACEI, diuretics and vasodilators, and used appropriate, oxygen, anti-infection, blood pressure and other symptomatic treatment when necessary;