以下为句子列表：
英文: The progress of synthesis of silica-alumina catalysts with the range of the pore diameter increases from micropore to mesopore and application of sol-gel method are reviewed.
中文: 摘要本文综述了矽铝催化材料合成方面的最新进展即所合成的催化剂的孔径从微孔向中孔发展以及利用以溶胶－凝胶法爲代表的新制备技术。
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英文: For the relative pressure P/P_0≥0. (pore radium r>. nm), the BJH method is used for the calculation of mesopore size distribution, for P/P_0≤0. , the MMP method is used for the calculation of micropore size distribution.
中文: 对相对压力P/P_0≥0. (孔径r>.mm)段,可采用BJH法计算中孔孔径分布; 对P/P_0≤0. 段,可采用MMP法计算微孔孔径分布。
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