PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In order to form the layer of anodic electrochromic material, a material can be selected which satisfies the formula MxAyUx, where M is a transition metal, A is the ion used for the reversible injection, for example an alkali metal or a proton, and U is a chalcogenide such as oxygen, sulfur or selenium, Se.
http://www.w3.org/ns/prov#wasQuotedFrom
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