At the same time, the equilibrium point is also the turning point of competitive adsorption, from positive adsorption to negative adsorption or from negative absorption to positive adsorption;
同时，该平衡点也是两组分竞争吸附的转折点，从正吸附变为负吸附或从负吸附变为正吸附；
A cationic polymeric flocculant was chosen because its hydrolysate with positive ammonium group enhanced the adsorption of residual COD and improved the flocculation efficiency.
选择阳离子高分子絮凝剂，由于其水解产物带有正电荷铵盐基团，加强了残存COD的吸附，完善了絮凝分离过程。
The phenol adsorption changes also from positive temperature effect to negative temperature effect with increase of SDS concentration when the temperature rises.
随sds浓度的增加，土对苯酚的吸附也由增温正效应向增温负效应转变。
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