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<http://webisa.webdatacommons.org/prov/315777227>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/3301037> .
<http://webisa.webdatacommons.org/3301037>	<http://www.w3.org/ns/prov#value>	"Such wide range variation of the void size may make alumina useless in applications such as a filter medium, separation and purification agent, or absorption agent, which require substantially high selectivity." .
<http://webisa.webdatacommons.org/3301037>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .