该源代源是用于做第一性原理计算时晶格常数的优化以及求材料的体弹性模量.EOS即状态方程-The source code source is used for first-principles calculations of lattice constant optimization and find the material bulk modulus. EOS equation of state that

PT状态方程计算天然气相态，平衡常数的计算(PT EOS for calculate phase behavior)