About: http://webisa.webdatacommons.org/293456617

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	Initially, degradation probably occurs mainly on the surface because of the absorption gradient of water, but as the concentration of carbonyl groups increases in the center these serve as catalysts for degradation.
http://www.w3.org/ns/prov#wasQuotedFrom	scielo.br