micropore

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micropore

[′mī·krə‚pȯr]
(chemistry)
A pore in a catalytic material whose diameter is less than 2 nanometers.
(geology)
A pore small enough to hold water against the pull of gravity and to retard water flow.
References in periodicals archive ?
It was reported that the first stage was corresponded to macropores or mesopores diffusion and the second stage was ascribed to micropores diffusion [27] for the porous materials.
Any free hydroxide solutions within the fiber micropores on cooling produce nanocrys-tals that rapidly absorb carbon dioxide from the atmosphere to form the corresponding insoluble carbonates, ready to trap acidic odors and release carbon dioxide.
The smaller the ionic radius makes it easier to penetrate into the micropores of activated carbon (Jusoh et al.
In this study, we analyse aggregates of soil in which the original structure has been maintained and thin sections of undisturbed soil at [micro]m-scale in order to resolve the distribution of Ca, Fe, Mn, Zn, and Cu around micropores by [mu]-XRF and their speciation by XANES.
During the initial operation at the time of the plate 5 and 6 is geometrically adjusted so that the adjacent micropores or notches do not overlap and flow control membrane permeability would be minimal or zero.
The t-plot method was applied to calculate the micropore volume and external surface area.
On the other hand, a significant amount of micropores was observed on a relatively smooth surface when we deposited the PS layer with a smaller flexibility of polymer macromolecules (Fig.
Mao and colleagues demonstrated that when human mesenchymal stem/progenitor cells were seeded in micropores of 3D calcium phosphate scaffolds, followed by infusion of gel-suspended CD34+ hematopoietic cells, greater vascularization was seen in mice than when mesenchymal cells were used alone.
These areas have micropores in the top laminate, the result of copper foil being pressed into the butter coat of the laminate, then etching.
However, Bandosz (1999) observed that heterogeneous carbon having both micropores and mesopores perform better than predominantly microporous material with high surface area.
Designed and manufactured in Italy, the entire line of men's and women's leather footwear, including the horseshoe-buckled New Alexa ($140), sports micropores in the rubber outsole.
The process creates micropores or imperceptible tread patterns, rendering tile and stone floors safer to walk on when wet.