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{{short description|Measure of the ability of a porous material to allow fluids to pass through it}} ...monly symbolized as ''k'') is a measure of the ability of a [[porous media|porous material]] (often, a [[Rock (geology)|rock]] or an unconsolidated material) ...

| rowspan="4" | Aerostatic || Porous Media || Gas flow is controlled through porous material * Porous Surface ...

...xtremely low transmission rates. Special care has to be taken in measuring porous substances such as fabrics, as some techniques are not appropriate. For ver "Institute of Materials Research and Engineering (IMRE) MEDIA RELEASE, 29 April 2008, Singapore research produces world's best protection ...

...as |first2=Hywel R. |last3=Li |first3=Chenfeng |title=Tortuosity of porous media: Image analysis and physical simulation |journal=Earth-Science Reviews |dat ...to be confused with [[Permeability (earth sciences)]] due to fluid flow in porous solids measured in Darcy.<ref>Carley, James F. Whittington's dictionary of ...

...ng |journal=Nature Communications |publisher=Springer Science and Business Media LLC |volume=2 |issue=1 |date=2011-08-23 |issn=2041-1723 |doi=10.1038/ncomms ...aging |journal=Scientific Reports |publisher=Springer Science and Business Media LLC |volume=4 |issue=1 |date=2014-10-30 |issn=2045-2322 |doi=10.1038/srep06 ...

...aterial behavior is termed [[linear elasticity]], which (for [[isotropic]] media) is called the generalized [[Hooke's law]]. [[Cauchy elastic material]]s an ...Solution Methods |date=2 June 2009 |publisher=Springer Science & Business Media |isbn=978-90-481-2330-8 |pages=20–26 |url=https://books.google.com/books?id ...

...tion to the smart grid revolution. GTM Research (a division of [[Greentech Media]]) expects strong growth from the U.S. market for transformer monitoring ha ...n transformer, the utility operator's power theft detection system remains porous, inefficient, and unreliable. ...

...ulation also avoids approximating weakly collisional plasmas as continuous media. An N-body calculation reveals that the bare Coulomb acceleration of a part .... J. |title=Characterization of liquids, nano- and micro- particulates and porous bodies using Ultrasound |publisher=Elsevier |year=2017 |isbn=978-0-444-6390 ...

...rol | journal=Scientific Reports | publisher=Springer Science and Business Media LLC | volume=11 | issue=1 | date=2021-06-14 | issn=2045-2322 | doi=10.1038/ ...

| ''[[Crystal optics#Anisotropic media|Anisotropy]]'' (such as ''[[birefringence]]'' or ''[[dichroism]]'') which o ...modeled. Further, real materials are not [[continuum mechanics|continuous media]]; the local fields of real materials vary wildly on the atomic scale. The ...

Aquifers may be classified as porous or [[karst]], where a porous aquifer contains the water in the spaces between the grains of a loose sedi ...clopedia of Environmental Science| publisher = [[Springer Science+Business Media|Springer]]| date = 1 May 1999| isbn = 0-412-74050-8 }}</ref> ...

...?id=kH8gcJvVWfIC&pg=PA110 |year=2002|publisher=Springer Science & Business Media|isbn=978-3-540-44253-0|page=110}}</ref> "there was a three-storey building ...title=Temperature influence on the physical and mechanical properties of a porous rock: San Julian's calcarenite|journal=Engineering Geology|volume=167|issue ...

The line is porous; [[military invention]]s have been brought into civilian use throughout his ...eds. ''Science, technology and the military'' (Springer Science & Business Media, 2013).</ref> ...

...n 1957 when H. Becker developed a "Low voltage electrolytic capacitor with porous carbon electrodes".<ref name="Boggs"/><ref>{{cite patent |country=US |numbe ...rical insulator material known as a [[dielectric]]. Examples of dielectric media are glass, air, paper, plastic, ceramic, and even a [[semiconductor]] [[dep ...

...ser''. This is a half-open pipe with a heat differential across a special porous material inserted in the pipe. Much like a light laser, a thermoacoustic SA ...ASER,<ref>L. D. Landau and E. M. Lifshitz, ''Electrodynamics of Continuous Media'', Pergamon Press, N. Y. Russian Original, Nauka, Moscow (1982)</ref> the a ...

...imarily of [[methane]] (97%)<ref>{{cite web | url=https://group.met.com/en/media/energy-insight/composition-of-natural-gas | title=Composition of natural ga ...bout-how-we-talk-about-natural-gas |access-date=2023-07-27 |website=Canary Media |language=en}}</ref> Unlike coal gas, which is manufactured by heating coal ...

...|date=2002 |first=G.|last=Gautschi |publisher=[[Springer Science+Business Media|Springer]]}}</ref> The piezoelectric effect is a [[reversible process (ther ...mers exhibit the piezoelectric effect due to charge induced by poling of a porous polymeric film. Under an electric field, charges form on the surface of the ...

...and outlet of product. The membrane used in the process is a generally non-porous layer, so there will not be a severe leakage of gas through the membrane. T .... Spacesuits |date=23 November 2011 |publisher=Springer Science & Business Media}}</ref> ...

...3=Allan|last3=Pinhas|first4=R. Marshall|last4= Wilson|year=2005|url=http://media.wiley.com/product_data/excerpt/81/04716802/0471680281.pdf|title= Atomic Orb ...in a thin tube, in porous materials such as paper and plaster, in some non-porous materials such as sand and liquefied [[carbon fiber]], or in a cell. It occ ...

...romagnetic) has a certain energy. Mechanical waves can be produced only in media which possess [[Elasticity (physics)|elasticity]] and [[inertia]].}} ...tailed understanding of the physical behavior of oil, water and gas within porous rock at very high pressure.}} ...