The packing possesses large specific pore volume, high column efficiency, wide separation range of molecular weight and long life time.
该种填料孔容大，拄效高，分离范围广，使用寿命长。
The fractal characteristics of petroleum coke combustion are validated, which proves that the change of surface fractal dimension differs from that of specific surface area and pore volume.
石油焦的燃烧具有分形动力学的行为特征，且表面分形维数的变化趋势和比表面积和孔容积不同。
According to measurements, the specific pore surface area and pore volume of petroleum coke (PC) during combustion were found to: first increase, then decrease and increase again.
通过对石油焦燃烧过程中不同燃尽率焦样的比表面积和孔容积的测定，表明石油焦的比表面积和孔容积先增大，后减小到一定数值，最后再增大。
The results showed that Y-CTS possessed large specific surface, pore volume, pore diameter and a certain of acidity distribution.
结果表明，Y-CTS复合载体具有较大的比表面积、孔容和孔径，以及一定的酸性分布。
In this dissertation, a series of high specific surface area, large pore volume and low Ce content OSMs were precipitated with mixed ammonia-ammonium carbonate solution, and assisted by PEG and PVA.
本文采用氨水-碳酸铵混合溶液作沉淀剂，通过添加聚乙二醇（PEG）和聚乙烯醇（PVA）制备了高比表面积，大孔容的低铈型储氧材料。
It was showed that iron had no obvious influence on the distribution of micropore, while it made the specific surface area and pore volume of micropore decrease slightly.
结果表明，铁的存在对活性炭的微孔分布没有明显影响，但却使活性炭微孔的比表面积和孔容有所下降。
The characterization of pre-curing catalyst show that the pore volume and specific surface area had little change after vulcanization.
预硫化催化剂的表征结果表明，催化剂硫化前后孔容和比表面积变化不大。
The results showed that after modification, the specific area and pore volume of ACs decreased while the content of oxygen functional groups, especially which of hydroxyl, increased obviously.
研究表明氧化处理后活性炭的比表面积和孔容虽有减小，但炭表面的含氧官能团数量大幅增加，其中羟基的增幅最明显。
The obtained catalyst has high specific surface area, pore volume and content of the zero-valent iron; and the iron is uniformly distributed on the surface of carbon and has favorable stability.
得到的催化剂具有高比表面积、孔容和高零价铁含量，铁均匀分散在炭的表面并具有良好的稳定性。
The specific surface area and pore volume increase with carbon conversion during steam gasification.
不同孔隙率和比表面积的石油焦，其气化反应速率曲线变化趋势不同；
A method for measuring the specific surface area and pore volume of ion-exchange resin by N_2 absorption apparatus is introduced.
介绍了用氮吸附仪测定离子交换树脂的比表面、孔容的方法。
A method for measuring the specific surface area and pore volume of ion-exchange resin by N_2 absorption apparatus is introduced.
介绍了用氮吸附仪测定离子交换树脂的比表面、孔容的方法。
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