This HTML5 document contains 5 embedded RDF statements represented using HTML+Microdata notation.

The embedded RDF content will be recognized by any processor of HTML5 Microdata.

PrefixNamespace IRI
n5google.
isaphttp://webisa.webdatacommons.org/prov/
isahttp://webisa.webdatacommons.org/
rdfhttp://www.w3.org/1999/02/22-rdf-syntax-ns#
provhttp://www.w3.org/ns/prov#
xsdhhttp://www.w3.org/2001/XMLSchema#
Subject Item
isa:12049371
rdf:type
prov:Entity
prov:value
Furthermore, when it is intended to obtain a sharp directivity with such device as shown in FIG. 1, use of larger laminated piezo-electric element 1, larger diaphragm 3, and larger supports 4 must be made much large, and pure piston disc motion of such large diaphragm, if used, become hard to realize.
prov:wasQuotedFrom
n5:com
Subject Item
isap:214262428
prov:wasDerivedFrom
isa:12049371
Subject Item
isap:215284197
prov:wasDerivedFrom
isa:12049371