Company Writer's Guide
Unit | Symbol | Notes |
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bel | B |
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becquerel | Bq | SI unit of activity of a radionuclide. |
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billion electronvolts | GeV | The name gigaelectronvolt is preferred for this |
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| unit. |
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bit | b | In information theory, the bit is a unit of |
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| information content equal to the information |
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| content of a message the a priori probability of |
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| which is one half. |
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| In computer science, the bit is a unit of storage |
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| capacity. The capacity, in bits, of a storage |
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| device is the logarithm to the base two of the |
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| number of possible states of the device. |
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bit per second | b/s |
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British thermal unit | Btu |
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calorie | calIT | 1 calIT = 4.1868 J (deprecated, see ANSI Z210.1- |
(International Table calorie) |
| 1976) |
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calorie | cal | 1 cal = 4.1840 J (deprecated, |
(thermochemical calorie) |
| see ANSI |
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candela | cd | SI unit of luminous intensity. |
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candela per square inch | cd/in2 | Use of the SI unit, cd/m2, is preferred. |
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candela per square meter | cd/m2 | SI unit of luminance. The name nit is sometimes |
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| used for this unit. |
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candle | cd | The unit of luminous intensity has been given |
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| the name candela; use of the name candle for this |
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| unit is deprecated. |
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centi | c | SI prefix for |
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centimeter | cm |
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[For Illustration Only] |