About: http://webisa.webdatacommons.org/146750720

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	For some embodiments and especially for embodiments of the present invention wherein gas sensor 34 lacks internal heating means, external heating means is preferably provided, such as by heater 38 shown in FIG. 1 in this example.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com