PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A strong cation exchange medium is preferred as the scrubber substance in the scrubbers 121 of FIG. 8B. The medium within basic-nitrogen-compound scrubber 121, being a strong acid, removes multiple molecular bases, such as ammonia and other basic nitrogen compounds.
http://www.w3.org/ns/prov#wasQuotedFrom
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