... For those who is interested in thermodynamic modeling . Yuri Shvarov . This page is aimed mainly at the users of the software package HCh for thermodynamic (equilibrium) modeling of (geo)chemical systems and processes. However, some files presented here may also be of some interest to those who do not use HCh. ... HCh for DOS . ... User's guide for the Unitherm program intended for maintaining thermodynamic databases and calculation of thermodynamic properties of substances . ...