sm's types (sm)

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SI Base Unit

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This type identifies the seven base units described in the International System of Units (SI)

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Ampere Unit of Electric Current electric current A
The ampere, in practice often shortened to amp, (symbol: A) is a unit of electric current, or amount of electric charge per second. The ampere is an SI base unit, and is named after André-Marie Ampère, one of the main discoverers of electromagnetism...
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Meter Unit Of Length length m
The metre or meter is a measure of length. It is the basic unit of length in the metric system and in the International System of Units (SI), used around the world for general and scientific purposes. Historically, the metre was defined by the...
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Kilogram Unit of Mass mass kg
The kilogram or kilogramme (symbol: kg) is the base unit of mass in the International System of Units (known also by its French-language initials “SI”). The kilogram is defined as being equal to the mass of the International Prototype Kilogram (IPK;...
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Second   Unit Of Time time s
The second (SI symbol: s), sometimes abbreviated sec., is the name of a unit of time, and is the International System of Units (SI) base unit of time. SI prefix are frequently combined with the word second to denote subdivisions of the second, e.g....
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Kelvin William Thomson alias Lord Kelvin Unit Of Temperature thermodynamic temperature K
The kelvin (symbol: K) is a unit increment of temperature and is one of the seven SI base unit. The Kelvin scale is a thermodynamic (absolute) temperature scale where absolute zero, the theoretical absence of all thermal energy, is zero (0 K). The...
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Mole August Wilhelm von Hofmann01 Unit of Amount of Substance amount of substance mol
A mole of any substance consists of Avogadro's number of the constituent entities of that substance. Entities are typically molecules but may also be atoms, ions, atomic particles, etc. Avogadro's number, approximately 6.02214, makes the weight of a...
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Candela Unit of Luminous Intensity luminous intensity cd
The candela (, /-ˈdiːlə/, symbol: cd) is the SI base unit of luminous intensity; that is, power emitted by a light source in a particular direction, weighted by the luminosity function (a standardized model of the sensitivity of the human eye to...
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