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1)  Pore size distribution
孔径分布
1.
Variation of pore structure of semi-coke with temperature and spatial location during pyrolysis ——Porosity,specific surface area and pore size distribution;
焦化过程半焦孔隙结构时空变化规律的实验研究——孔隙率、比表面积、孔径分布的变化
2.
Effect of pore size distribution on mass transfer in direct contact membrane distillation;
孔径分布对直接接触式膜蒸馏传质速率的影响
3.
The Measurement of the Specific Surface Area and Pore Size Distribution of a kind of cayalyst;
一种工业用微球硅胶比表面积和孔径分布的测定
2)  pore distribution
孔径分布
1.
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
3)  pore diameter distribution
孔径分布
1.
The results indicate that γ Al 2O 3 and ( γ+θ) Al 2O 3 are suitable for carriers, its selectivity both depends significantly on the pore diameter distribution of the carriers and is also improved by adding copper, and the best mol ratio o.
结果表明:载体可以采用γ-Al2O3或(γ+θ)-Al2O3,载体的孔径分布对催化剂的选择性影响极大,最佳孔径分布为孔径>10nm的孔占80%左右;在镍基催化剂中加入铜,可显著提高选择性,CuO与NiO最佳摩尔比为0。
2.
A cylindrical pore model is used to calculate the pore diameter distribution.
用双气路色谱法测定N2吸附的SiO2负载型催化剂的吸附等温线及吸附回线;用多项式对吸附(脱附)曲线进行拟合;用圆筒孔模型和脱附分支进行此类催化剂的孔径分布计算。
3.
Based on the results of mecury injection and gas absorption analytical methods of caprock,the complete pore diameter distribution diagram of caprock and the capillary pressure curve can be obtained.
将压汞法和气体吸附法2种测定结果换算相衔接可得到完整的盖层全孔隙结构孔径分布图及其毛细管压力曲线,结合全驱岩样饱和水模拟实验即可直接测定岩样突破压力。
4)  Distribution of pore diameter
孔径分布
1.
The variation of the mass loss, packing density, surface area, distribution of pore diameter, amount of ash with the cyclical numbers were researched.
考察了活性炭的失重率、堆密度、比表面、孔径分布及灰分含量随活化次数的增加而变化的情况。
5)  pore size and pore size distribution
孔径及孔径分布
1.
By liquid-liquid displacement method the pore size and pore size distribution were measured with the system of isobutanol-distilled water.
本文对工业化多通道陶瓷超滤膜进行了研究 ,以异丁醇 -蒸馏水体系用液 -液排除法测定了超滤膜的孔径及孔径分布 ,对同一膜管及体系 ,进行了重复性实验 ,测定了膜的截留率 ,比较了截留率与孔径及孔径分布的关系 ,讨论了操作条件对截留率的影响 ,为工业化膜的制备及选取提供指
6)  pore size and distribution
孔径及分布
补充资料:催化剂孔径分布
分子式:
CAS号:

性质:催化剂各种大小的孔占孔体积的体积百分数。它对催化剂的选择性和再生性能有显著影响。在固相催化反应中,主要在催化剂的内表面进行,反应物的分子必须扩散到催化剂微孔内才能进行反应,合适的孔径可以只让某些所希望的反应分子扩散进去,以利于反应。通常将孔半径在200~10000nm的孔称为大孔,10~200nm的孔为过渡孔,1~l0nm的孔称微孔。

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