About: http://webisa.webdatacommons.org/74254812

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	Figure 1 is an example of such a waveform, consisting of a cathodic (forward) pulse followed by an anodic (reverse) pulse and a relaxation period (off-time).
http://www.w3.org/ns/prov#wasQuotedFrom	pfonline.com