Units of Permeability
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Description
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Permeability has the dimension time per length. The SI composite unit of permeability is the kilogram per pascal meter squared second or second per meter.
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Maple knows the units of permeability listed in the following table.
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Name
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Symbols
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Context
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Alternate Spellings
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Prefixes
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perm
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`0degC` *
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perms
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SI
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`23degC`
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SI
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An asterisk ( * ) indicates the default context, an at sign (@) indicates an abbreviation, and under the prefixes column, SI indicates that the unit takes all SI prefixes, IEC indicates that the unit takes IEC prefixes, and SI+ and SI- indicate that the unit takes only positive and negative SI prefixes, respectively. Refer to a unit in the Units package by indexing the name or symbol with the context, for example, perm[`0degC`]; or, if the context is indicated as the default, by using only the unit name or symbol, for example, perm.
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The units of permeability are defined as follows.
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A 0 degree Celsius perm is defined as approximately kilogram per pascal square meter second.
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A 23 degree Celsius perm is defined as approximately kilogram per pascal square meter second.
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Examples
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