About: http://webisa.webdatacommons.org/234302058

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	However, it is desired that the irradiation period is set within 5-60 seconds, particularly 20-60 seconds.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com