About: http://webisa.webdatacommons.org/103345636

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	A valve, such as a check valve, is positioned in the outlet port to allow the solvent to flow out of the syringe while preventing the solvent or air from entering the syringe through the outlet port during the aspirating stroke.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com