About: http://webisa.webdatacommons.org/211764567

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	The most important problem of this spectrometer is that an error occurs in phase shift unless measurement is conducted with the metallic mirror and the sample placed in exactly the same position.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com