| h_pT_derDerivative function of h_pT |  | 
| p | Type: Pressure (Pa) Description: Pressure | 
|---|---|
| T | Type: Temperature (K) Description: Temperature | 
| aux | Type: AuxiliaryProperties Description: Auxiliary record | 
| p_der | Type: Real Description: Derivative of pressure | 
| T_der | Type: Real Description: Derivative of temperature | 
| h_der | Type: Real Description: Derivative of specific enthalpy | 
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