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SI_BaseUnits1.omcd
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<OMOBJ xmlns:om="http://www.openmath.org/OpenMath"
xmlns="http://www.openmath.org/OpenMath">
<OMA>
<OMS cd="meta" name="CD"/>
<OMA>
<OMS cd="meta" name="CDComment"/>
<OMSTR>This document is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. The copyright holder grants you permission to redistribute this document freely as a verbatim copy. Furthermore, the copyright holder permits you to develop any derived work from this document provided that the following conditions are met. a) The derived work acknowledges the fact that it is derived from this document, and maintains a prominent reference in the work to the original source. b) The fact that the derived work is not the original OpenMath document is stated prominently in the derived work. Moreover if both this document and the derived work are Content Dictionaries then the derived work must include a different CDName element, chosen so that it cannot be confused with any works adopted by the OpenMath Society. In particular, if there is a Content Dictionary Group whose name is, for example, `math' containing Content Dictionaries named `math1', `math2' etc., then you should not name a derived Content Dictionary `mathN' where N is an integer. However you are free to name it `private_mathN' or some such. This is because the names `mathN' may be used by the OpenMath Society for future extensions. c) The derived work is distributed under terms that allow the compilation of derived works, but keep paragraphs a) and b) intact. The simplest way to do this is to distribute the derived work under the OpenMath license, but this is not a requirement. If you have questions about this license please contact the OpenMath society at http://www.openmath.org. Author: Joseph B. Collins (2009), Naval Research Laboratory, Washington, DC. Copyright Notice: This is a work of the U.S. Government and is not subject to copyright protection in the United States. Foreign copyrights may apply.</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="CDName"/>
<OMSTR>SI_BaseUnits1</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="CDURL"/>
<OMSTR>http://www.openmath.org/cd/SI_BaseUnits1.ocd</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="CDReviewDate"/>
<OMSTR>2009-04-01</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="CDStatus"/>
<OMSTR>experimental</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="CDDate"/>
<OMSTR>2009-01-10</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="CDVersion"/>
<OMSTR>1</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="CDRevision"/>
<OMSTR>1</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="Description"/>
<OMSTR>This CD defines symbols to represent the seven base units of the SI (Syst\'eme International) system of units. (DRAFT INTERNATIONAL STANDARD ISO/DIS 80000-1 - "Quantities and units", 2008). Each unit refers to a corresponding base quantity in SI_BaseQuantities.ocd.</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="CDDefinition"/>
<OMA>
<OMS cd="meta" name="Name"/>
<OMSTR>one</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="Role"/>
<OMSTR>constant</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="Description"/>
<OMSTR>This symbol represents the dimensionless unit corresponding to the dimensionless quantity dimension. It has the short symbol form, "1".</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="CMP"/>
<OMSTR>one = unit(one) = 1</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="FMP"/>
<OMA>
<OMS cd="relation4" name="eqs"/>
<OMS cd="SI_BaseUnits1" name="one"/>
<OMA>
<OMS cd="SI_Functions1" name="unit"/>
<OMS cd="SI_BaseQuantities1" name="one"/>
</OMA>
<OMS name="one" cd="alg1"/>
</OMA>
</OMA>
</OMA>
<OMA>
<OMS cd="meta" name="CDDefinition"/>
<OMA>
<OMS cd="meta" name="Name"/>
<OMSTR>second</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="Role"/>
<OMSTR>constant</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="Description"/>
<OMSTR>This symbol represents the measure of one second of time, the standard SI unit of measure for quantities of time. It has the short symbol form, "s", in upright roman font.</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="CMP"/>
<OMSTR>This is a base unit for the SI system. It is defined physically 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 [13th CGPM (1967)]. This definition refers to a caesium atom at rest at a temperature of 0 kelvin (absolute zero). The ground state is defined at zero magnetic field [1997 meeting of the BIPM].</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="CMP"/>
<OMSTR>second = unit(time)</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="FMP"/>
<OMA>
<OMS cd="relation1" name="eq"/>
<OMS cd="SI_BaseUnits1" name="second"/>
<OMA>
<OMS cd="SI_Functions1" name="unit"/>
<OMS cd="SI_BaseQuantities1" name="time"/>
</OMA>
</OMA>
</OMA>
</OMA>
<OMA>
<OMS cd="meta" name="CDDefinition"/>
<OMA>
<OMS cd="meta" name="Name"/>
<OMSTR>metre</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="Role"/>
<OMSTR>constant</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="Description"/>
<OMSTR>This symbol represents the measure of one metre of length, the standard SI unit of measure for quantities of length or physical distance. It has the short symbol form, "m", in upright roman font.</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="CMP"/>
<OMSTR>This is a base unit for the SI system. It is defined physically as the length of the path travelled by light in vacuum during a time interval of 1/299 792 458 of a second. This definition was provided in 1983 by the seventeenth General Conference on Weights and Measures (CGPM) [17th CGPM (1983)].</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="CMP"/>
<OMSTR>metre = unit(length)</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="FMP"/>
<OMA>
<OMS cd="relation1" name="eq"/>
<OMS cd="SI_BaseUnits1" name="metre"/>
<OMA>
<OMS cd="SI_Functions1" name="unit"/>
<OMS cd="SI_BaseQuantities1" name="length"/>
</OMA>
</OMA>
</OMA>
</OMA>
<OMA>
<OMS cd="meta" name="CDDefinition"/>
<OMA>
<OMS cd="meta" name="Name"/>
<OMSTR>kilogram</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="Role"/>
<OMSTR>constant</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="Description"/>
<OMSTR>This symbol represents the measure of one kilogram of mass, the standard SI unit of measure for quantities of mass. It has the short symbol form, "kg", in upright roman font.</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="CMP"/>
<OMSTR>This is a base unit for the SI system. It is defined physically as the mass of the International Prototype Kilogram stored at the International Bureau of Weights and Measures (BIPM) in in Sèvres, France [3rd CGPM (1901)]. A proposal is pending to redefine the standard mass in terms of natural constants.</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="CMP"/>
<OMSTR>kilogram = unit(mass)</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="FMP"/>
<OMA>
<OMS cd="relation1" name="eq"/>
<OMS cd="SI_BaseUnits1" name="kilogram"/>
<OMA>
<OMS cd="SI_Functions1" name="unit"/>
<OMS cd="SI_BaseQuantities1" name="mass"/>
</OMA>
</OMA>
</OMA>
</OMA>
<OMA>
<OMS cd="meta" name="CDDefinition"/>
<OMA>
<OMS cd="meta" name="Name"/>
<OMSTR>ampere</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="Role"/>
<OMSTR>constant</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="Description"/>
<OMSTR>This symbol represents the measure of one ampere, the standard SI unit of measure for quantities of electric current. It has the short symbol form, "A", in upright roman font.</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="CMP"/>
<OMSTR>This is a base unit for the SI system. It is defined physically as that constant electric current which, if maintained in two parallel conductors of infinite length, of negligible circular cross-section, and placed 1 metre apart in vacuum, would produce between these conductors a force equal to 2 × 10–7 newton per metre of length [9th CGPM (1948)].</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="CMP"/>
<OMSTR>ampere = unit(current)</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="FMP"/>
<OMA>
<OMS cd="relation1" name="eq"/>
<OMS cd="SI_BaseUnits1" name="ampere"/>
<OMA>
<OMS cd="SI_Functions1" name="unit"/>
<OMS cd="SI_BaseQuantities1" name="current"/>
</OMA>
</OMA>
</OMA>
</OMA>
<OMA>
<OMS cd="meta" name="CDDefinition"/>
<OMA>
<OMS cd="meta" name="Name"/>
<OMSTR>kelvin</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="Role"/>
<OMSTR>constant</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="Description"/>
<OMSTR>This symbol represents the measure of one kelvin, the standard SI unit of measure for quantities of thermodynamic temperature. It has the short symbol form, "K", in upright roman font.</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="CMP"/>
<OMSTR>This is a base unit for the SI system. It is defined physically as equal to the fraction 1/273.16 of the thermodynamic temperature of the triple point of water [International Temperature Scale of 1990, ITS-90, adopted by CIPM in 1989]. The isotopic composition of the water is defined by Vienna Standard Mean Ocean Water.</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="CMP"/>
<OMSTR>kelvin = unit(temperature)</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="FMP"/>
<OMA>
<OMS cd="relation1" name="eq"/>
<OMS cd="SI_BaseUnits1" name="kelvin"/>
<OMA>
<OMS cd="SI_Functions1" name="unit"/>
<OMS cd="SI_BaseQuantities1" name="temperature"/>
</OMA>
</OMA>
</OMA>
</OMA>
<OMA>
<OMS cd="meta" name="CDDefinition"/>
<OMA>
<OMS cd="meta" name="Name"/>
<OMSTR>mole</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="Role"/>
<OMSTR>constant</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="Description"/>
<OMSTR>This symbol represents the measure of one mole, the standard SI unit measure for quantities of amount of substance. It has the short symbol form, "mol", in upright roman font.</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="CMP"/>
<OMSTR>This is a base unit for the SI system. It is defined physically as the amount of substance of a system which contains as many "elemental entities" as there are atoms in 12 grams of carbon-12 [14th CGPM (1971)].</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="CMP"/>
<OMSTR>mole = unit(amount-of-substance)</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="FMP"/>
<OMA>
<OMS cd="relation1" name="eq"/>
<OMS cd="SI_BaseUnits1" name="mole"/>
<OMA>
<OMS cd="SI_Functions1" name="unit"/>
<OMS cd="SI_BaseQuantities1" name="amount-of-substance"/>
</OMA>
</OMA>
</OMA>
</OMA>
<OMA>
<OMS cd="meta" name="CDDefinition"/>
<OMA>
<OMS cd="meta" name="Name"/>
<OMSTR>candela</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="Role"/>
<OMSTR>constant</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="Description"/>
<OMSTR>This symbol represents the measure of one candela, the standard SI unit measure for quantities of luminous intensity. It has the short symbol form, "cd", in upright roman font.</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="CMP"/>
<OMSTR>This is a base unit for the SI system. It is defined physically as the luminous intensity, in a given direction, of a source that emits monochromatic radiation of frequency 540×10^12 hertz and that has a radiant intensity in that direction of 1/683 watt per steradian [16th CGPM (1979)].</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="CMP"/>
<OMSTR>candela = unit(luminous-intensity)</OMSTR>
</OMA>
<OMA>
<OMS cd="meta" name="FMP"/>
<OMA>
<OMS cd="relation1" name="eq"/>
<OMS cd="SI_BaseUnits1" name="candela"/>
<OMA>
<OMS cd="SI_Functions1" name="unit"/>
<OMS cd="SI_BaseQuantities1" name="luminous-intensity"/>
</OMA>
</OMA>
</OMA>
</OMA>
</OMA>
</OMOBJ>