About: http://webisa.webdatacommons.org/6098869

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	In some embodiments, the transition metal elements such as iron, nickel, cobalt, or copper may be included in the membrane structure.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com