<http://webisa.webdatacommons.org/prov/290824259>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/18822776> .
<http://webisa.webdatacommons.org/18822776>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/18822776>	<http://www.w3.org/ns/prov#value>	"Also, long term exposure to heat and other conditions may create undesired geometric deformations of the membrane and result in change of conversion factor over the age of a single transducer." .
<http://webisa.webdatacommons.org/18822776>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com.au> .