About: http://webisa.webdatacommons.org/270404330

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	So, if you have a closed system (i.e. a box where nothing can get in or out), you can e.g. fix volume, energy and the number of particles.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com