About: http://webisa.webdatacommons.org/274900610

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	wherein each of the proton exchanging regions and each of the grooves have a step cross section with 2n -step depths, where n is an integer of 2 or more.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au