树脂的吸附活性中心是自由胺基。
The adsorption active center of D354 resins is the free surface amino group.
这些层状粘土矿物具有取代结构和断面余键两个吸附活性中心。
The layered clay minerals have two active adsorptive centers, i. e. the replacing structure and the residual bond on fractured surface.
工业试验结果表明，大分子有机物吸附和覆盖了催化剂活性中心是催化剂暂时性失活的主要原因。
The results of commercial tests showed that the main reason of temporary deactivation of catalyst was the adsorption of organics and covering of organics on the active sites of the catalyst.
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