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1)  pore radiuses and distribution
孔径大小和分布
1.
The principle of production and the effects of glass composite, the temperature and time of heating treatment, acid treatment and additive on pore radiuses and distribution of porous glass are studied.
对多孔玻璃的制备工艺原理作了论述 ,并从玻璃组成、热处理时间和温度、酸度处理以及掺杂等角度阐述了制备工艺中影响孔径大小和分布的因素 。
2)  radius particle pore distribution
粒径和孔径分布
3)  size and distribution
粒径大小与分布
1.
The influence factors of the types of organic solvents, emulsifier type, stability agent and shearing rate on the size and distribution of microcapsules were studied.
研究了有机溶剂种类、乳化剂种类以及剪切分散速率等因素对微胶囊粒径大小与分布的影响,并分别用光学显微镜和扫描电镜观察分析了微胶囊的形貌。
4)  pore size distribution
孔隙大小分布
5)  pore size
孔径大小
1.
Effect of support pore size on integrity of Al_2O_3 micro-filtration membranes;
支撑体孔径大小对Al_2O_3微滤膜完整性的影响
2.
A method based on the surface force pore flow model to characterize the pore size and pore size distribution of polymer porous filtration membranes was reviewed.
综述了一种建立在表面作用力孔流通模型基础上计算高分子多孔滤过膜孔径大小及分布的方法。
3.
The results demonstrate that the average pore size of nature.
5nm的沉积物体系中甲烷水合物的分解平衡温度和压力条件(即相平衡)进行了测定,结果表明,近自然沉积物的平均孔径大小会影响甲烷水合物的相平衡条件。
6)  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。
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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