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porosity

n. 多孔性,有孔性

多孔性,有孔性

WordNet (r) 3.0 (2006) (WordNet)

porosity
n 1: the property of being porous; being able to absorb fluids
[synonym: {porosity}, {porousness}] [ant: {solidity},
{solidness}]

The Collaborative International Dictionary of English v.0.48 (gcide)

Porosity \Po*ros"i*ty\, n. [Cf. F. porosit['e].]
The quality or state of being porous; -- opposed to density.
[1913 Webster]

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Porosity - Wikipedia
Porosity or void fraction is a measure of the void (i e "empty") spaces in a material, and is a fraction of the volume of voids over the total volume, between 0 and 1, or as a percentage between 0% and 100%
Reading: Porosity and Permeability | Geology - Lumen Learning
In a soil or rock the porosity (empty space) exists between the grains of minerals In a material like gravel the grains are large and there is lots of empty space between them since they don’t fit together very well
Porosity Explained: Definition, Types, and Importance
Porosity is an important property of a material, describing the ratio of voids to the total volume This property is important in many fields, including geology, materials science, environmental studies, and engineering
What Is Porosity and Why Does It Matter? - Biology Insights
Porosity is a fundamental property of materials describing the amount of void space, or empty volume, contained within a solid structure It is a universal characteristic found in everything from subterranean rock layers to human bone tissue and engineered filtration devices
Porosity - an overview | ScienceDirect Topics
In general, the porosity of reservoir rocks ranges from 5% to 30%, and typical range of porosity is between 10% and 20% (Tiab and Donaldson, 2015) The pore types are classified by both morphological and geological features (Selley, 1998; Hook, 2003)
3. 1 Total Porosity – Hydrogeologic Properties of Earth . . .
Water below the land surface occurs in the spaces between solid particles of sediment and within fractures of rocks (Figure 3) Total porosity (n) is the ratio of the volume of void space (VV) in a sample of earth material to the total volume of the sample (VT) including solids and void space
Porosity | Fundamentals of Fluid Flow in Porous Media
From the reservoir engineering standpoint, porosity is one of the most important rock properties, a measure of space available for storage of hydrocarbons Quantitatively, porosity is the ratio of the pore volume to the total volume (bulk volume)

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