The pore volume of spherical aluminum oxide can be effectively improved by activated carbon powder.
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2. 该种填料孔容大，拄效高，分离范围广，使用寿命长。
The packing possesses large specific pore volume, high column efficiency, wide separation range of molecular weight and long life time.
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3. 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 effect of the pore volume and surface area of hydrotreating catalyst on its activity was studied.
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4. 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 and stability.
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5. 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.
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6. 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 serial catalyst is characterized by large pore volume and pore diameter, high activity bud stability.
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7. 结果表明，制得的活性焦比表面积、微孔孔容随活化时间增加而增加。
The experimental results show that the surface area and micropore area of the active coke increases with activating time.
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8. 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 characterization of pre-curing catalyst show that the pore volume and specific surface area had little change after vulcanization.
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9. 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。
As the intensity of air—oxidation treatment increased, the surface area of the PSAC decreased, but its total pore volume increased.
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10. 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。
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.
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11. 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。
The results showed that Y-CTS possessed large specific surface, pore volume, pore diameter and a certain of acidity distribution.
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12. 而空气氧化处理则会导致活性炭的中孔面积和孔容显著增大，但对表面含氧基团的影响较小。
Air oxidation treatment leads to a remarkable increase in the surface area and mesopore volume of ac samples but little change in the quantity of surface oxygen groups.
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13. 对活性炭不同孔径区间的孔容和甲苯吸附量进行线性回归分析，并对分析结果进行显著性检验。
Linearregression analysis between the pore volume of different aperture and the adsorption capacity for toluene was conducted and checked by linear correlation r.
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14. 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 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.
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15. 结果表明：苯蒸汽在活性炭上的吸脱附性能明显与吸附剂的比表面、孔容、孔径与孔径分布直接相关。
The result shows that adsorption and desorption performance of Benzene vapour by activated carbon are related to the specific surface, hole volume, hole diameter and distribution of hole.
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.
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.
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.
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.
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.
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.
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22. 根据设置压力和节流孔通径来确定阀门的流容。
Set pressure and orifice size determine valve capacity.
Turbulent characteristics of different frequency band in constant volume combustion bomb can be realized by changing the structure of the perforated plate and the velocity of driving motor.
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24. 本文对末端为容腔和节流孔的简单管路提出了一套对谐振频率和峰值的估算方法。
This article puts forward a complete set of evaluating method of resonance frequency and its peak in simple line with a chamber and restriction orifice at the end.
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25. 安装到瓶帽孔顶部的阀的特征在于：它具有小通风帽（3），该帽容 纳倒转的柔性容器（4）。
A valve attached to the top of the cap port is characterised in that it has a small ventilated cap (3) housing an upside-down flexible vessel (4).
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26. 该控制杆，它从上往下插接进该容置通孔，而且，它下端抵靠在可熔体上。
The control rod is inserted into the containing via hole from top to bottom, and the lower end of the control rod supports against on the fusible body.
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27. 一反射元件，设置于该灯座并形成一容置空间，该反射元件具有至少一开孔；
The reflecting element is arranged on the lamp holder, forms an accommodating space and provided with at least one open pore.
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28. 以及一封盖于容置区的盖体，该盖体的一面具有一活动穿设于推动单元所设长孔中的心轴。
The push unit is further provided with a cover which is covering the capacity area. One side of the covering body is arranged with a movable mandrel which passes through the push unit's long hole.
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29. 以及一封盖于容置区的盖体，该盖体的一面具有一活动穿设于推动单元所设长孔中的心轴。
The push unit is further provided with a cover which is covering the capacity area. One side of the covering body is arranged with a movable mandrel which passes through the push unit's long hole.
