Other Units
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Description
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The following units are in the Units package.
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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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brewster
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standard *
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brewsters
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SI
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talbot
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standard *
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talbots
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lumberg
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standard *
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lumbergs
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strontium_unit
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standard *
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strontium_units
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dozen
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standard
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part_per_billion
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ppb
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EU
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parts_per_billion
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US
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part_per_million
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ppm
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standard
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parts_per_million
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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, brewster[standard]; or, if the context is indicated as the default, by using only the unit name or symbol, for example, brewster.
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The units are defined as follows.
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A brewster has the dimension length time squared per mass. It is defined as a square micrometer per newton.
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A talbot has the dimension luminous flux time. It is defined as a lumen second. It is also known as a lumberg.
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A strontium unit has the dimension inverse time mass. It is defined as becquerels per kilogram.
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Examples
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