About: http://webisa.webdatacommons.org/92832342

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	It has also proven difficult to modify the surfaces of some types of materials due to an inability to impart needed functional groups.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com