About: http://webisa.webdatacommons.org/251558159

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	When it is desired for the atomic ratio A/B to fall in the preferred range from 0.8 to 1.2, the operating gas pressure is preferably about 1.5 to 10 Pa, especially 5.0 to 10 Pa.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com