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运用密度函数理论和杜比宁方程对氮吸附等温线进行解析，经过两种处理的比较分析，验证了活性炭纤维上的多段吸附机理。山密度函数理论得出的孔径分布图直观地验证了活性炭纤维成孔机理假设部分的合理性，在此基础上，更客观地描述了微孔吸附剂的多段填充机理。
The nitrogen adsorption isotherms were analyzed by density function theory and Dubinine equation. After comparing the two treatments, the multi-stage adsorption mechanism on activated carbon fibers was verified. The pore size distribution obtained from the theory of mountain density function directly verifies the rationality of the hypothetical part of the pore forming mechanism of activated carbon fibers. On this basis, the multi-stage filling mechanism of the microporous adsorbent is more objectively described.