PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Nonetheless, the widespread utilisation of these clean power sources for such applications is limited by a number of challenges including cost and durability of PEM fuel cell stack components.Figure 1: Schematic of a single cell PEM fuel cell.A PEM fuel cell stack is made up of several single cells connected in series.
http://www.w3.org/ns/prov#wasQuotedFrom
  • hindawi.com