(c)a=k。/kb=f(T) △H2:等压吸附热(adsorption heat at constant pressure) In general △H<0 T个，a↓，T(c) a k / k f (T) = a b = ) ln ( 2 RT H T a a p  =   ΔHa : 等压吸附热(adsorption heat at constant pressure) In general ΔHa< 0 T↑ ， a↓， Γ↓