]> Dumontier Lab 2007-10-01 Michel Dumontier This ontology is populated with SI unit instances. en Unit Ontology (individuals) application/rdf+xml 2.0 bit The bit is a binary digit holding the values of 0 or 1. byte The byte is an information unit comprising of 8 bits. 8 'degree The degree is a plane angle unit. The ampere (symbol: A) is an SI base unit of electric current, or amount of electric charge per second. ampere per ampere -1 per ampere squared -2 Ampere per meter is the SI derived unit for magnetic field strength. ampere per meter ampere per square meter The ampere per square meter is the SI derived unit for current density. ampere squared 2 becquerel The becquerel (symbol: Bq) is the SI derived unit of radioactivity. candela The candela (symbol: Cd) is the SI unit of luminous intensity. It is defined as the luminous intensity, in a given direction, of a source that emits monochromatic radiation of frequency 540×1012 hertz and that has a radiant intensity in that direction of 1/683 watt per steradian. The candela per square meter is the SI derived unit for luminance. candela per square meter celcius The celcius (symbol: C) is a unit of temperature. 273 coulomb The coulomb is a unit of electric charge. coulomb per kilogram The coulomb per kilogram is the SI derived unit for exposure to x and gamma rays. The coulomb per square meter is the SI derived unit for electric charge density. coulomb per square meter The coulomb per cubic meter is the SI derived unit for electric charge density. coulomb per cubic meter A unit of molecular mass approximately equal to the mass of a hydrogen atom. dalton fahrenheit The fahrenheit (symbol: F) is a unit of temperature. farad The farad (symbol: F) is a unit of capacitance. farad per meter The farad per meter is the SI derived unit for permittivity. gray The gray (symbol:Gy) is a unit of absorbed dose. gray per second The gray per second is the SI derived unit for absorbed dose rate. The henry (symbol: H) is a unit of inductance. henry henry per meter The henry per meter is the SI derived unit for permeability. hertz The Hertz (symbol: Hz) is an SI derived unit for frequency. -1 The joule is a unit of energy. joule joule per kelvin The joule per kelvin is the SI derived unit for entropy or heat capacity. joule per kilogram The joule per kilogram is the SI derived unit for specific energy. The joule per kilogram per kelvin is the SI derived unit for specific entropy or specific heat capacity. joule per kilogram per kelvin joule per cubic meter The joule per cubic meter is the SI derived unit for energy density. The joule per mole is the SI derived unit for molar energy. joule per mole The joule per mole per kelvin is the SI derived unit for molar entropy. joule per mole per kelvin The katal (symbol: kat) is a unit of catalytic activity. katal katal per cubic meter The katal per cubic meter is the SI derived unit for catalytic concentration. kelvin The kelvin (symbol: K) is an SI base unit increment of temperature. The Kelvin scale is a thermodynamic (absolute) temperature scale where absolute zero—the coldest possible temperature—is defined as being equivalent to zero kelvin (0 K). -1 The kilogram (symbol: kg) is the SI base unit of mass. It is defined as being equal to the mass of the international prototype of the kilogram. kilogram 10E3 per kilogram -1 The m-2·kg-1·s3·A2 is the SI derived unit for electric conductance. m-2·kg-1·s3·A2 m-2·kg-1·s4·A2 The m-2·kg-1·s4·A2 is the SI derived unit for capacitance. per kilogram squared -2 per kilogram cubed -3 The kilogram per kilogram is the SI derived unit for mass fraction. kilogram per kilogram The kilogram per meter per second squared is the SI derived unit for pressure. kilogram per meter per second squared kilogram per cubic meter The kilogram per cubic meter is the SI derived unit for density. kilogram squared meter per second squared The m2·kg·s-2 is the SI derived unit for energy. The m2·kg·s-2·A-1 is the SI derived unit for magnetic flux. m2·kg·s-2·A-1 The m2·kg·s-2·A-2 is the SI derived unit for inductance. m2·kg·s-2·A-2 kilogram meter squared per second cubed The m2·kg·s-3 is the SI derived unit for power. The m2·kg·s-3·A-1 is the SI derived unit for potential difference. m2·kg·s-3·A-1 m2·kg·s-3·A-2 The m2·kg·s-3·A-2 is the SI derived unit for electric resistance. kg·s-2·A-1 The kg·s-2·A-1 is the SI derived unit for magnetic flux density. The lumen (symbol:lm) is a unit of luminous flux. lumen lux The lux (symbol: lx) is a unit of illuminance. The meter (symbol m) is an SI unit of length. It is defined as the distance travelled by light in absolute vacuum in 1/299,792,458 of a second. meter per meter -1 per squared meter -2 per cubic meter -3 per meter power 4 -4 The meter kilogram per second squared is the SI derived unit for force. meter kilogram per second squared meter per second The meter per second is the SI derived unit for speed or velocity. meter per second squared The meter per second squared is the SI derived unit for acceleration. meter squared The squared meter is an SI derived unit for area. 2 The m2·m-2 is the SI derived unit for solid angle. m2·m-2 m2·m-2·cd The m2·m-2·cd is the SI derived unit for luminous flux. The m2·m-4·cd is the SI derived unit of illuminance. m2·m-4·cd The m2·s-2 is the SI derived unit for absorbed dose. m2·s-2 The cubic meter is the SI derived unit for volume. cubic meter 3 cubic meter per kilogram The cubic meter per kilogram is the SI derived unit for specific volume. mole The mole (symbol: mol) is the SI base unit for an amount of substance. One mole contains Avogadro's number (approximately 6.022×1023) entities. per mole -1 mole per cubic meter The mole per cubic meter is the SI derived unit for amount of substance concentration. The second per mole is the SI derived unit for catalytic activity. second per mole The newton (symbol: N) is a unit for force. newton newton per meter The newton per meter is the SI derived unit for surface tension. The newton meter is the SI derived unit for moment of force. newton meter The ohm is a unit of electric resistance. ohm pascal The pascal is a unit of pressure. The pascal per second is the SI derived unit for dynamic viscosity. pascal per second The radian (symbol: rad) is a unit for plane angle. radian radian per second The radian per second is the SI derived unit for angular velocity. The radian per second squared is the SI derived unit for angular acceleration. radian per second squared second The second (symbol: s), is a SI base unit of time. It is defined as the duration of 9,192,631,770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium-133 atom. reciprocal second -1 per second squared -2 -3 second ampere The second ampere is the SI derived unit for electric charge. per second squared 2 second cubed 3 second power 4 4 siemens The siemens is a unit of electric conductance. The sievert (symbol: Sv) is a unit of dose equivalence. sievert steradian The steradian is the SI derived unit for solid angle. per steradian -1 tesla The tesla (symbol: T) is a unit of magnetic flux density. The volt is a unit of potential difference. volt per volt -1 The volt per meter is the SI derived unit for electric field strength. volt per meter watt The watt (symbol: W) is a unit of power. watt per meter per kelvin The watt per meter per kelvin is the SI derived unit for thermal conductivity. watt per square meter The watt per square meter is the SI derived unit for irradiance. watt per square meter per steradian The watt per square meter per steradian is the SI derived unit for radiance. The watt per steradian is the SI derived unit for radiant intensity. watt per steradian The weber (symbol:Wb) is a unit of magnetic flux. weber