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- Keywords frontal chromatography;specific pore volume;mean pore radii;specific surface; 比孔容;平均孔径;比表面;迎头色潜法;
- specific pore volume 比孔容
- BET specific surface area,pore diameter and pore volume of the synthesized molecular sieves were 197?m~2/g,about 4.80?nm and 0.23?cm~3/g,respectively. 合成的介孔氧化锆分子筛在450℃焙烧后;其BET比表面积达到197 m2/g;孔分布集中在4.;80 nm左右;孔体积为0
- Good relationship exists among total pore volume, specific surface area and aromatic microcrystallite size in coal char. 煤焦的总孔容、比表面积和芳核大小之间有很好的对应关系。
- The physical properties of catalysts such as specific surface area, pore volume, stacking density and crushing strength were tested. 测定了催化剂的比表面积、比孔体积、堆积密度和压碎强度等物理性质参数。
- After the precursors of alumina were treated in different solvents, the changes of crystal type, specific surface area, pore volume, magnetic property of the alumina were studied. 实验中发现，溶剂热处理过程不仅有利于油中成型的无定形氢氧化铝微球向拟薄水铝石转化，而且可以增大载体的比表面积和孔体积。
- The analysis results of specific surface area, pore size and pore volume showed that the microstructure of the regenerated molecular sieves was close to that of the fresh one. 通过比表面积、孔径、孔体积分布等微结构分析可知，经过再生之后的分子筛基本恢复了新鲜分子筛的结构特征。
- The oil absorbing capacity of modifying products is within 2.567~2.175 cm~(3)/g,the largest specific surface area and pore volume are 271.105 m~(2)/g and 0.53 cm~(3)/g respectively. 试验结果为:改性白炭黑产品的吸油值在2.;175~2
- Through SEM the powder can be identified to porous structure, with specific surface areas of about 11.6m2/g, total pore volume of 0.034cc/g and average pore diameter of 1 1 .9nm by BET method. 通过扫描电子显微镜(SEM)观察其形貌为多孔质，BET(N_2吸附)法测定比表面积为11.;6m~2/g，平均孔容量0
- Study reveals that calcines of atmospheric hydrated lime and lime hydrated with the addition of additives have much higher specific surface area and much larger pore volume than over-sintered lime. 研究发现，常压水合及有添加剂的水合石灰煅烧后有较高的比表面积和很大的孔体积；过烧后的生石灰比表面积和孔体积均大大减少。
- Spherical and porous PAM beads with different diameter and specific pore sizes were prepared and characterized. 所得微球的检测结果表明,产物具有不同粒径和特定孔径的规则球形结构。
- 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。
- The serial catalyst is characterized by large pore volume and pore diameter, high activity and stability. 该系列催化剂的主要特点是大孔容、孔径、性和稳定性高。
- The impact of injection rate of polymer flooding on the inaccessible pore volume is studied by the numerical method. 利用数值模拟方法，研究聚合物驱注入速度对不可及孔隙体积的影响。
- The effect of the pore volume and surface area of hydrotreating catalyst on its activity was studied. 考察了加氢精制催化剂的孔容和比表面对其活性的影响。
- In addition,the use of the oxalic acid as the catalyzer resulted in the decrease of pore volume of t... 而对于草酸,它的使用使得沸石的微孔骨架被部分破坏,从而使制备得到的多孔炭的微孔容积减小。
- The results show that PSW can increase pore volume of coal and can enhance permeability of coalbed methane (CBM) in coal. 结果表明 ,功率声波能够增加煤的孔隙体积 ,提高甲烷在煤层中的渗透率 ;
- This pore volume serves as storage for a fluid lubricant with which the part has been impregnated during its manufacture. 这个孔隙容积可用来贮存流体润滑剂,流体润滑剂是在轴承的制造过程中含浸于其中的。
- The method has no harm for the surface properties and pore size distribution of GAC. 78% of BET surface area and total pore volume were recovered. 方法对活性炭表面性质无损害,再生炭的BET比表面积和总孔容积可恢复到新炭的78%25,孔径分布基本无变化。
- The oil shale on the surface show opening foliation, abundant pore volume and low density because of less overburden pressure. 地表油页岩由于覆压减小等影响，页理张开、孔隙增加、密度减小。
