<http://webisa.webdatacommons.org/449972908>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<science.gov> .
<http://webisa.webdatacommons.org/prov/445440556>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/449972908> .
<http://webisa.webdatacommons.org/449972908>	<http://www.w3.org/ns/prov#value>	"Grain design, structure design and prediction of interior ballistic performance were described, and problem which need mainly considered in design were analyzed comprehensively." .
<http://webisa.webdatacommons.org/449972908>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .