2 Adsorption isobars, isotherms and isoteric 制 冷 x2=( 争 原 Adsorption system 理 与 x= f e Isotherms 技 术 X=f( Isobars 04 p=f(7 X Isotersis° 4命制 冷 原 理 与 技 术 2、Adsorption isobars,isotherms and isotersis x fpT ∞ = ( , ) Adsorption system x fp( ) ∞ T = x fT( ) ∞ p = p fT( )x = Isotherms Isobars Isotersis