<http://purl.oclc.org/NET/ssnx/cf/cf-property#mass_concentration_of_molecular_hydrogen_in_air>	<http://purl.oclc.org/NET/ssnx/qu/qu#generalQuantityKind>	<http://purl.oclc.org/NET/ssnx/qu/quantity#density> .
<http://purl.oclc.org/NET/ssnx/cf/cf-property#mass_concentration_of_molecular_hydrogen_in_air>	<http://purl.oclc.org/NET/ssnx/ssn#isPropertyOf>	<http://purl.oclc.org/NET/ssnx/cf/cf-feature#air> .
<http://purl.oclc.org/NET/ssnx/cf/cf-property#mass_concentration_of_molecular_hydrogen_in_air>	<http://www.w3.org/2000/01/rdf-schema#comment>	" Mass concentration means mass per unit volume and is used in the construction mass_concentration_of_X_in_Y, where X is a material constituent of Y.  A chemical species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. The chemical formula for molecular hydrogen is H2." .
<http://purl.oclc.org/NET/ssnx/cf/cf-property#mass_concentration_of_molecular_hydrogen_in_air>	<http://purl.org/dc/elements/1.1/source>	"Climate and Forecast (CF)" .
<http://purl.oclc.org/NET/ssnx/cf/cf-property#mass_concentration_of_molecular_hydrogen_in_air>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://purl.oclc.org/NET/ssnx/qu/dim#Density> .
<http://purl.oclc.org/NET/ssnx/cf/cf-property#mass_concentration_of_molecular_hydrogen_in_air>	<http://www.w3.org/2000/01/rdf-schema#label>	"mass concentration of molecular hydrogen in air" .