1) pore distribution
孔分布
1.
However, the relationship between pore parameters, such as pore volume and pore distribution, and catalyst accessibility is not clear.
针对孔分布和孔径等孔结构参数与活性中心可接近性的关系 ,以及如何评价催化剂活性中心可接近性不十分清楚的情况 ,建立了一种较为可行的研究重油裂化催化剂活性中心可接近性的简便方法 ,并用它考察了催化剂基质孔分布对活性中心可接近性的影响。
2.
The result showed that the USY rich in secondary pores or mesopores can be prepared by chemical hydrothermal treatment of NaY under certain conditions, and the secondary pore distribution can be flexibly adjusted to meet the application demand.
采用全自动吸附仪考察了化学超稳分子筛的孔结构，结果表明，ＮａＹ分子筛经一定条件改性处理后，可以制得具有发达二次孔结构的超稳分子筛，并且其二次孔分布可以灵活调整，满足不同需要；考察结果还表明：化学脱铝是分子筛造孔的必要条件，水热处理是分子筛造孔的关键步骤。
3.
The results of a series of experiments indicated that 3932 and 3933 catalysts hadhigher mechanical strength, better medium pore distribution and better thermal stability compared withother extruded Pt-Re reforming catalysts in the world market.
实验室研究结果表明，与国外同类型条状催化剂相比，３９３２、３９３３催化剂强度高、中孔分布集中、铂金属的热稳定性好。
2) pore size distribution
孔分布
1.
PAN-ACF (polyacrylonitrile activated carbon fiber) was activated by potassium hydroxide, which has narrow pore size distribution than activated carbon even though its specific surface area exceeds 2000 m 2/g.
研究表明即使比表面积超过 30 0 0 m2 / g时 ,PAN- ACF的孔分布仍然很窄 ,并且含有大量的分子筛型孔。
2.
The conventional adsorption performances,BET surface area,pore size distribution and adsorption isotherm of CO 2 of the activated carbon,which was imported from abroad and used for refining hydrogen in large scale domestic petrochemical plants,were determined,and compared those with typical domestic activated carbon sample.
测定了国内大型石化厂制氢装置中使用的、从国外进口的活性炭的常规吸附性能及ＢＥＴ比表面积、孔分布曲线及对ＣＯ２ 的吸附平衡曲线，并同典型的国产炭试样进行了对比分析，指出孔分布规律（ 孔的大小分布及孔的形状结构） 是影响该型活性炭吸附效率的主要因素。
3.
The pore size distribution and crystallinity of KL zeolite treated with ammonium hexafluorosilicate (AFS) are dependent on the preparation conditions.
（ＮＨ４）２ＳｉＦ６处理对ＫＬ沸石孔分布的影响＊何农跃曹洁明鲍书林须沁华＊＊（南京大学化学系，南京２１００９３）关键词氟硅酸铵，ＫＬ沸石，脱铝，中孔材料，孔分布中孔材料的制备一直是材料化学和沸石分子筛化学的前沿课题之一。
3) macro-pore size dis-tribution
大孔孔分布
4) 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。
5) 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。
6) 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;
膜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
补充资料：孔分布
分子式：
CAS号：
性质：孔分布又称孔容分布，指催化剂孔体积随孔径大小变化而改变的分布规律。一般以ΔV/Δr对孔半径r作图，用曲线描述孔径分布规律。其中ΔV是孔容增量。孔径在10nm以下的细孔用气体吸附法，大孔用压汞法测定。
CAS号：
性质：孔分布又称孔容分布，指催化剂孔体积随孔径大小变化而改变的分布规律。一般以ΔV/Δr对孔半径r作图，用曲线描述孔径分布规律。其中ΔV是孔容增量。孔径在10nm以下的细孔用气体吸附法，大孔用压汞法测定。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条