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permeability

   Also found in: Dictionary/thesaurus, Medical, Legal, Financial, Acronyms, Wikipedia 0.01 sec.
permeability [‚pər·mē·ə′bil·əd·ē]
(electromagnetism)
A factor, characteristic of a material, that is proportional to the magnetic induction produced in a material divided by the magnetic field strength; it is a tensor when these quantities are not parallel. Also known as magnetic permeability.
(fluid mechanics)
The ability of a membrane or other material to permit a substance to pass through it.
Quantitatively, the amount of substance which passes through the material under given conditions.
(geology)
The capacity of a porous rock, soil, or sediment for transmitting a fluid without damage to the structure of the medium. Also known as conductivity; perviousness.
(naval architecture)
The percentage of a given space in a ship that can be occupied by water.
permeability
1. The property of a porous material which permits the passage of water vapor through it. Also See permeance.
2. The property of soil, rock, or mantle which permits water to flow through it.
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Based on these tests, use of FMP, even at high levels, produced compounds with levels of fuel vapor permeation no different from conventional FKM, with traditional relationships between compounding and permeability are maintained in this system.
FKM micropowder effects on fuel vapor permeation by Shell, James A. / Rubber World
The Nanovate process achieves high magnetic permeability by reducing the crystalline grain structure of the metal to the nanometer scale, as opposed to other processes that rely on extremely large grain sizes to achieve shielding, according to the company.
Integran introduces Nanovate by Coatings World
He describes multi-phase flow, including relative permeability and situations in fractured reservoirs, and natural drainage mechanisms of hydrocarbon reservoirs.
Essentials of reservoir engineering by SciTech Book News
 
 
 
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