.Physiolibrary.Media.Air.X

Interface

function X
  input Types.AmountOfSubstance tO2 = 0.21, tCO2 = 0.0003, tH2O = 0.06, tN2 = 1 - tO2 - tCO2 - tH2O;
  output Types.MassFraction X[nS];
end X;