.
"2006-09-26 18:12:43.0" .
"" .
"deprecated"@en .
"SDN:P07::CFSNA022" .
"true" .
.
.
.
"2006-09-26 18:12:43.0" .
.
"SDN:P07::CFSNA022" .
"1" .
.
"mass_fraction_of_o3_in_air"@en .
.
"1" .
"SDN:P07::CFSNA022" .
.
.
"Mass fraction is used in the construction mass_fraction_of_X_in_Y, where X is a material constituent of Y. It means the ratio of the mass of Y to the mass of X (including Y)."@en .