This pore space is known as porosity and is expressed as a percentage of the total rock volume.
这个孔隙空间被称为孔隙度，用岩石总体积的百分比表示。
As the intensity of air—oxidation treatment increased, the surface area of the PSAC decreased, but its total pore volume increased.
并且随着氧化强度的增强，沥青基球状活性炭的比表面积减小，但总孔容增加。
A technique for measuring the pore volume of a core sample from the difference in its weight when dry and when saturated with a liquid.
测量岩心样品被烘干后的体积以及被一种液体充满后的体积之差从而确定岩心样品孔隙体积的一种方法。
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 sensitivity of the injection water is evaluated based on permeability changes of rock samples as water injected with different multiples of pore volume.
根据注入不同孔隙体积倍数汪入水时岩样渗透率的变化，评价了注入水的敏感性。
The results show that the surface area, pore volume and pore distribution are the main factors for water vapor adsorption properties of sepiolite.
结果表明：影响海泡石吸湿性能的主要因素是其比表面积、孔容积和孔径分布。
The difference in weight divided by the density of the liquid is the connected, or effective, pore volume.
前后两次重量的差值除以流体密度就得到样品中连通孔隙（也就是有效孔隙）的体积。
The consumed charge of exhaustive electrolysis of oxygen in the pores of TLGE in cyclic voltammetry is used to measure the total hydrophobic pore volume of both catalytic and non catalytic membranes.
采用循环伏安法，对位于疏水孔内的氧气进行耗尽式电化学还原反应，其所消耗的电量用于对膜疏水孔体积及孔率的测定。
The surface area, the pore volume and the activity of isopropanol decomposition reaction are only a function of exchange degree and are not affected by the exchange methods.
固相交换样品的比表面、孔容变化和异丙醇分解反应活性都与液相交换样品相同，只是交换度的函数，与交换方法无关。
Based on SAXS theory and fractal theory, we obtain the calculating method and calculating formulas of the pore size, pore volume percentage and the fractal of pore surface in PAN - based carbon fiber.
基于小角X射线散射理论，利用逐级切线法和材料分形理论中的散射强度法，分别计算PAN基炭纤维内微孔大小、体积分数及微孔表面分形维数。
With economic factors taken into account, the appropriate amount of plugging agent is about 15% of the pore volume of high permeable formations.
考虑到经济效益，最适宜的堵剂用量为高渗带孔隙体积的15 %。
The new domestic made catalyst was characterized by large pore volume and large pore diameter.
该催化剂具有大孔体积、大孔径等特点。
As the content of metallic chloride is increased, the pore volume and pore diameter of the material increase.
所得材料的孔体积、平均孔径随着金属氯化物添加量的增大而增大。
Because of its high surface area, basal spacing and pore volume, it has good capability of adsorption and catalysis.
由于大的比表面积、层间距以及孔容积，而具有良好的吸附与催化性能。
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。
So the effective porosity is drawn from the matrix volume and effective pore volume.
然后由岩样的有效孔隙体积和骨架体积计算出岩样的有效孔隙度。
The high purity, high surface area, large pore volume and proper pore structure of active carbon as a support for ruthenium catalyst usually lead to high catalytic activity for ammonia synthesis.
具有高纯度、高比表面、大孔容及合理孔分布的活性炭载体有利于活性组分有效均匀的分散，制备出高活性的氨合成钌催化剂。
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。
Filtration media is required to have suitable pore size, pore size distribution, pore volume, pore surface area and permeability for performing satisfactorily in applications.
为使过滤材料在使用中达到令人满意的性能，要求过滤介质具有适宜的孔径尺寸、孔径分布、孔体积、孔表面积及渗透性。
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 serial catalyst is characterized by large pore volume and pore diameter, high activity bud stability.
该系列催化剂的主要特点是大孔容、大孔径、活性和稳定性高。
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。
The results showed that under certain condition, the trend of the properties of Kaolin Clays, such as surface area, pore volume, pore size distribution and cracking activity etc.
在不同的温度、时间、酸浓度等条件下，用不同的无机酸对高岭土进行改性处理，考察其改性后的比表面、孔容、孔径分布及裂化活性的变化。
Based on sandstone pore throat model to study inherent regularities among sandstone throat pore diameter ratio, throat pore volume ratio and throat pore coordination number.
根据砂岩孔喉模型，研究砂岩孔喉直径、孔喉体积比、孔喉配位数之间内在的规律。
The resu1ts show that the larger the pore volume and surface area based on loading volume of hydrotreating catalyst, the higher of the catalyst activity based on LHSV.
实验结果表明，单位装填体积催化剂的孔穿和比表面越大，则对应体积空速的催化剂活性越高。
The variation of medium pore diameter and porosity factor is in accordance with that of the pore volume, showing a high permeability of low rank coal reservoirs.
中值孔径、孔隙率的变化特征与孔容一致，预示了低煤级煤储层较高的基岩渗透率。
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。
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 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。
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