symbols of properties?

[longemen3000]

This issue is for requesting new symbols for thermodynamic properties used in the construction of a thermodynamic state. at the moment, the symbols are contained in the KW_TO_SPEC constant:

const KW_TO_SPEC = IdDict{Symbol,Any}(
:h =>  Enthalpy{MOLAR}()
,:g =>  Gibbs{MOLAR}()
,:a =>  Helmholtz{MOLAR}()
,:u =>  InternalEnergy{MOLAR}()

,:mol_h =>  Enthalpy{MOLAR}()
,:mol_g =>  Gibbs{MOLAR}()
,:mol_a =>  Helmholtz{MOLAR}()
,:mol_u =>  InternalEnergy{MOLAR}()

,:mass_h =>  Enthalpy{MASS}()
,:mass_g =>  Gibbs{MASS}()
,:mass_a =>  Helmholtz{MASS}()
,:mass_u =>  InternalEnergy{MASS}()

,:total_h =>  Enthalpy{TOTAL}()
,:total_g =>  Gibbs{TOTAL}()
,:total_a =>  Helmholtz{TOTAL}()
,:total_u =>  InternalEnergy{TOTAL}()

,:s =>  Entropy{MOLAR}()
,:mol_s =>  Entropy{MOLAR}()
,:mass_s =>  Entropy{MASS}()
,:total_s =>  Entropy{TOTAL}()

,:p =>  Pressure()
,:P =>  Pressure()
,:t =>  Temperature()
,:T => Temperature()

,:v =>  VolumeAmount{MOLAR,VOLUME}()
,:mol_v =>  VolumeAmount{MOLAR,VOLUME}()
,:mass_v =>  VolumeAmount{MASS,VOLUME}()
,:total_v =>  VolumeAmount{TOTAL,VOLUME}()
,:V =>  VolumeAmount{TOTAL,VOLUME}()


,:rho =>  VolumeAmount{MOLAR,DENSITY}() 
,:mol_rho =>  VolumeAmount{MOLAR,DENSITY}() 
,:mass_rho =>  VolumeAmount{MASS,DENSITY}() 

,:ρ =>  VolumeAmount{MOLAR,DENSITY}()
,:mol_ρ =>  VolumeAmount{MOLAR,DENSITY}()
,:mass_ρ =>  VolumeAmount{MASS,DENSITY}() 
,:mass =>  MaterialAmount{MASS}()
,:moles =>  MaterialAmount{MOLAR}()
,:xn =>  MaterialCompounds{MOLAR,FRACTION}()
,:xm =>   MaterialCompounds{MASS,FRACTION}()
,:n =>  MaterialCompounds{MOLAR,TOTAL_AMOUNT}()
,:m =>   MaterialCompounds{MASS,TOTAL_AMOUNT}()


,:mw =>  MolecularWeight()

,:quality=>  VaporQuality() #changed in 0.4
,:phase_fracs =>  PhaseFractions() #looking for better name

,:phase =>PhaseTag()

,:sat => TwoPhaseEquilibrium()
#,:vle => TwoPhaseEquilibrium() removed in 0.4
#,:lle => TwoPhaseEquilibrium() removed in 0.4

,:single_component => SingleComponent()
,:one_mol => OneMol()
,:options => Options()