multimolecular

But for benzene, when treated with SDM-A there was a turning point in its adsorption isotherm, which corresponding to the dividing point between monomolecular and multimolecular layer adsorption.

在用SDM-A处理苯吸时，出现线形吸等温线，线点正好是分子层吸分子层吸分界点。