About: http://webisa.webdatacommons.org/325610820

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, since the range of control on production conditions such as pulling rate and temperature gradient is extremely narrow, the control is difficult and the productivity is poor.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com