《英文msh词典》Gas,Laughing
[入口词] Gas,Laughing
[主题词] Nitrous Oxide
[药动学] Anesthetics,Inhalation
[英文释义] Nitrogen oxide (N2O). A colorless,odorless gas that is used as an anesthetic and analgesic. High concentrations cause a narcotic effect and may replace oxygen,causing death by asphyxia. It is also used as a food aerosol in the preparation of whipping cream.