About: http://webisa.webdatacommons.org/141268817

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Although air is generally preferred as carrier gas for the aerosol, it is also possible to use nitrogen, CO2, O2 or a combustible gas, for example hydrogen, methane, ethylene, propane or butane.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com