About: http://webisa.webdatacommons.org/351718265

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	Generally, the normal refresh period Tn in prior art equals to the memory refresh period, such as 64 ms, divided into the total rows, such as 4096, of the dynamic RAM, so the Tn is about 15.6 us.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com