About: http://webisa.webdatacommons.org/139250441

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	Typical reaction time is between approximately 1 and 5 minutes, although varying such parameters as reaction temperature, hydrogen quantity and flow rate, and reaction time, will vary the size and density of the islands.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com