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:20549034
rdf:type
prov:Entity
prov:value
Gases such as argon or helium are not useful at the lower pressing temperatures, i.e. below about 1750??? C. because they are too expensive for commercial use, and at temperatures close to or above 1750??? C. they would not prevent thermal decomposition of silicon nitride.
prov:wasQuotedFrom
n5:com
Subject Item
isap:324463258
prov:wasDerivedFrom
isa:20549034
Subject Item
isap:404614569
prov:wasDerivedFrom
isa:20549034