at equilibriu m ra =rd kmp(1-0)=k0 Langmuir isothermal adsorption equation ap 1+ap p 或 max max 1+p a=k,/ku:吸附系数(adsorption coefficient) 吸附平衡常数) (1 ) at equilibriu m a  d  a d k p k r r − = = 1 ap ap +  = 或 max max 1 q V ap q V ap = = + Langmuir isothermal adsorption equation a= ka /kd : 吸附系数(adsorption coefficient) (吸附平衡常数）