About: http://webisa.webdatacommons.org/219181729

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	The vacuum chamber is evacuated, i.e. pumped by a vacuum pump down to a pressure of, for example, using a TMF solvent, about 1 Torr, or lower, to remove substantially all of the resulting frozen solvent.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com