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Pore Size and Pore-Size Distribution in Microfiltration Membranes

Separation Science and Technology, 1991
Abstract This paper deals with the characterization of microfiltration membranes by porosimetric measurements. Different methods have been used to test the membranes: the Poiseuille-Knudsen method, the mercury intrusion method, and liquid displacement porometry. Membranes were also examined with the aid of a scanning electron microscope.
BOTTINO, ALDO   +5 more
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Pore Size Distribution in Foams

Key Engineering Materials, 2011
Physical properties of polymer foams depend on their macrostructure. In this paper, we study a range of polyuretane foams from the stereological point of view. Images of plane surfaces of studied samples were created by printing them on a sheet of paper and scanning these imprints.
Matoušek, Tomáš   +2 more
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Pore size distribution and accessible pore size distribution in bituminous coals

International Journal of Coal Geology, 2012
The porosity and pore size distribution of coals determine many of their properties, from gas release to their behavior on carbonization, and yet most methods of determining pore size distribution can only examine a restricted size range. Even then, only accessible pores can be investigated with these methods.
Sakurovs, Richard   +6 more
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Pore size and pore-size distribution control of porous silica

Sensors and Actuators B: Chemical, 1995
Abstract Porous silica is a unique matrix material for chemical sensors. In this paper, porous silica is prepared via the sol-gel technique. The porosity, pore size, pore shape and pore-size distribution can be controlled by catalysts and preparation conditions. A porosity as high as 60−70% can be reached. The pore size can be controlled in the range
Yao Xi, Zhang Liangying, Wang Sasa
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Relationship between pore fluid velocity distribution and pore size distribution

AIChE Journal, 2022
AbstractThis study investigated the normalized velocity magnitude distribution and normalized pore volume distribution in different porous media with porosity between 13.5% and 85%, including sandstones, carbonates, synthetic silica, sphere packings and fiber scaffolds.
Vi T. Nguyen   +2 more
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Pore Size Distribution Studies

Journal of the Soil Mechanics and Foundations Division, 1971
Pore-size distribution data for pores of diameters down to 0.016 μm were obtained by mercury porosimetry for a number of laboratory-prepared specimens. Statically-compacted specimens of a kaolinite, an illite, and Boston Blue Clay were evaluated, and changes in the pore-size distribution of the kaolinite were followed as a function of increasing amount
Asuri Sridharan   +2 more
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PORE-SIZE DISTRIBUTIONS AND INFILTRATION

Soil Science, 1986
This paper presents a quantitative assessment of the dependence of infiltration rate on changes in pore-size distribution of soils. It summarizes concepts of pore-size distribution, displacement pressure head, and relative permeability in the context of a capillary model of soil.
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