About: http://webisa.webdatacommons.org/40877267

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	In one of many embodiments, these catalyst systems may be placed on a suitable support such as silica, alumina, or other metal oxides, magnesium halide such as MgCl2 or other supports.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca