From: <car...@us...> - 2012-04-25 21:44:17
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Revision: 10328 http://octave.svn.sourceforge.net/octave/?rev=10328&view=rev Author: carandraug Date: 2012-04-25 21:44:08 +0000 (Wed, 25 Apr 2012) Log Message: ----------- physical_constant: move function into miscellaneous package Modified Paths: -------------- trunk/octave-forge/main/miscellaneous/NEWS trunk/octave-forge/main/physical-constants/DESCRIPTION Added Paths: ----------- trunk/octave-forge/main/miscellaneous/inst/physical_constant.m trunk/octave-forge/main/miscellaneous/inst/physical_constant.py trunk/octave-forge/main/physical-constants/inst/dummy Removed Paths: ------------- trunk/octave-forge/main/physical-constants/inst/physical_constant.m trunk/octave-forge/main/physical-constants/inst/physical_constant.py Modified: trunk/octave-forge/main/miscellaneous/NEWS =================================================================== --- trunk/octave-forge/main/miscellaneous/NEWS 2012-04-25 21:29:49 UTC (rev 10327) +++ trunk/octave-forge/main/miscellaneous/NEWS 2012-04-25 21:44:08 UTC (rev 10328) @@ -12,7 +12,15 @@ partcnt partint + ** The function `physical_constant' has been imported from the + physicalconstants package. + ** The values returned by `physical_constant' have been adjusted to the + latest (2010) recommended values by CODATA. + + ** The function `physical_constant' has a new API and should also + perform faster. + =============================================================================== miscellaneous-1.1.0 Release Date: 2012-03-24 Release Manager: =============================================================================== Copied: trunk/octave-forge/main/miscellaneous/inst/physical_constant.m (from rev 10326, trunk/octave-forge/main/physical-constants/inst/physical_constant.m) =================================================================== --- trunk/octave-forge/main/miscellaneous/inst/physical_constant.m (rev 0) +++ trunk/octave-forge/main/miscellaneous/inst/physical_constant.m 2012-04-25 21:44:08 UTC (rev 10328) @@ -0,0 +1,2078 @@ +## Copyright (C) 2007 Muthiah Annamalai <mut...@ut...> +## Copyright (C) 2012 Carnë Draug <car...@gm...> +## +## This program is free software; you can redistribute it and/or modify it under +## the terms of the GNU General Public License as published by the Free Software +## Foundation; either version 3 of the License, or (at your option) any later +## version. +## +## This program 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. See the GNU General Public License for more +## details. +## +## You should have received a copy of the GNU General Public License along with +## this program; if not, see <http://www.gnu.org/licenses/>. + +## -*- texinfo -*- +## @deftypefn {Function File} {[@var{names}] =} physical_constant +## @deftypefnx {Function File} {[@var{val}, @var{uncertainty}, @var{unit}] =} physical_constant (@var{name}) +## @deftypefnx {Function File} {[@var{constants}] =} physical_constant ("all") +## Get physical constant @var{arg}. +## +## If no arguments are given, returns a cell array with all possible @var{name}s. +## Alternatively, @var{name} can be `all' in which case @var{val} is a structure +## array with 4 fields (name, value, uncertainty, units). +## +## Since the long list of values needs to be parsed on each call to this function +## it is much more efficient to store the values in a variable rather make multiple +## calls to this function with the same argument +## +## The values are the ones recommended by CODATA. This function was autogenerated +## on Wed Apr 25 22:17:07 2012 from NIST database at @uref{http://physics.nist.gov/constants} +## @end deftypefn + +## DO NOT EDIT THIS FILE +## This function file is generated automatically by physical_constant.py + +function [rval, uncert, unit] = physical_constant (arg) + + persistent unit_data; + if (isempty(unit_data)) + unit_data = get_data; + endif + + if (nargin > 1 || (nargin == 1 && !ischar (arg))) + print_usage; + elseif (nargin == 0) + rval = reshape ({unit_data(:).name}, size (unit_data)); + return + elseif (nargin == 1 && strcmpi (arg, "all")) + rval = unit_data; + return + endif + + val = reshape ({unit_data(:).name}, size (unit_data)); + map = strcmpi (val, arg); + if (any (map)) + val = unit_data(map); + rval = val.value; + uncert = val.uncertainty; + unit = val.units; + else + error ("No constant with name '%s' found", arg) + endif +endfunction + +function unit_data = get_data + unit_data(1).name = "Angstrom star"; + unit_data(1).value = 1.00001495e-10; + unit_data(1).uncertainty = 0.00000090e-10; + unit_data(1).units = "m"; + + unit_data(2).name = "Avogadro constant"; + unit_data(2).value = 6.02214129e23; + unit_data(2).uncertainty = 0.00000027e23; + unit_data(2).units = "mol^-1"; + + unit_data(3).name = "Bohr magneton"; + unit_data(3).value = 927.400968e-26; + unit_data(3).uncertainty = 0.000020e-26; + unit_data(3).units = "J T^-1"; + + unit_data(4).name = "Bohr magneton in Hz/T"; + unit_data(4).value = 13.99624555e9; + unit_data(4).uncertainty = 0.00000031e9; + unit_data(4).units = "Hz T^-1"; + + unit_data(5).name = "Bohr magneton in K/T"; + unit_data(5).value = 0.67171388; + unit_data(5).uncertainty = 0.00000061; + unit_data(5).units = "K T^-1"; + + unit_data(6).name = "Bohr magneton in eV/T"; + unit_data(6).value = 5.7883818066e-5; + unit_data(6).uncertainty = 0.0000000038e-5; + unit_data(6).units = "eV T^-1"; + + unit_data(7).name = "Bohr magneton in inverse meters per tesla"; + unit_data(7).value = 46.6864498; + unit_data(7).uncertainty = 0.0000010; + unit_data(7).units = "m^-1 T^-1"; + + unit_data(8).name = "Bohr radius"; + unit_data(8).value = 0.52917721092e-10; + unit_data(8).uncertainty = 0.00000000017e-10; + unit_data(8).units = "m"; + + unit_data(9).name = "Boltzmann constant"; + unit_data(9).value = 1.3806488e-23; + unit_data(9).uncertainty = 0.0000013e-23; + unit_data(9).units = "J K^-1"; + + unit_data(10).name = "Boltzmann constant in Hz/K"; + unit_data(10).value = 2.0836618e10; + unit_data(10).uncertainty = 0.0000019e10; + unit_data(10).units = "Hz K^-1"; + + unit_data(11).name = "Boltzmann constant in eV/K"; + unit_data(11).value = 8.6173324e-5; + unit_data(11).uncertainty = 0.0000078e-5; + unit_data(11).units = "eV K^-1"; + + unit_data(12).name = "Boltzmann constant in inverse meters per kelvin"; + unit_data(12).value = 69.503476; + unit_data(12).uncertainty = 0.000063; + unit_data(12).units = "m^-1 K^-1"; + + unit_data(13).name = "Compton wavelength"; + unit_data(13).value = 2.4263102389e-12; + unit_data(13).uncertainty = 0.0000000016e-12; + unit_data(13).units = "m"; + + unit_data(14).name = "Compton wavelength over 2 pi"; + unit_data(14).value = 386.15926800e-15; + unit_data(14).uncertainty = 0.00000025e-15; + unit_data(14).units = "m"; + + unit_data(15).name = "Cu x unit"; + unit_data(15).value = 1.00207697e-13; + unit_data(15).uncertainty = 0.00000028e-13; + unit_data(15).units = "m"; + + unit_data(16).name = "Faraday constant"; + unit_data(16).value = 96485.3365; + unit_data(16).uncertainty = 0.0021; + unit_data(16).units = "C mol^-1"; + + unit_data(17).name = "Faraday constant for conventional electric current"; + unit_data(17).value = 96485.3321; + unit_data(17).uncertainty = 0.0043; + unit_data(17).units = "C_90 mol^-1"; + + unit_data(18).name = "Fermi coupling constant"; + unit_data(18).value = 1.166364e-5; + unit_data(18).uncertainty = 0.000005e-5; + unit_data(18).units = "GeV^-2"; + + unit_data(19).name = "Hartree energy"; + unit_data(19).value = 4.35974434e-18; + unit_data(19).uncertainty = 0.00000019e-18; + unit_data(19).units = "J"; + + unit_data(20).name = "Hartree energy in eV"; + unit_data(20).value = 27.21138505; + unit_data(20).uncertainty = 0.00000060; + unit_data(20).units = "eV"; + + unit_data(21).name = "Josephson constant"; + unit_data(21).value = 483597.870e9; + unit_data(21).uncertainty = 0.011e9; + unit_data(21).units = "Hz V^-1"; + + unit_data(22).name = "Loschmidt constant (273.15 K, 100 kPa)"; + unit_data(22).value = 2.6516462e25; + unit_data(22).uncertainty = 0.0000024e25; + unit_data(22).units = "m^-3"; + + unit_data(23).name = "Loschmidt constant (273.15 K, 101.325 kPa)"; + unit_data(23).value = 2.6867805e25; + unit_data(23).uncertainty = 0.0000024e25; + unit_data(23).units = "m^-3"; + + unit_data(24).name = "Mo x unit"; + unit_data(24).value = 1.00209952e-13; + unit_data(24).uncertainty = 0.00000053e-13; + unit_data(24).units = "m"; + + unit_data(25).name = "Newtonian constant of gravitation"; + unit_data(25).value = 6.67384e-11; + unit_data(25).uncertainty = 0.00080e-11; + unit_data(25).units = "m^3 kg^-1 s^-2"; + + unit_data(26).name = "Newtonian constant of gravitation over h-bar c"; + unit_data(26).value = 6.70837e-39; + unit_data(26).uncertainty = 0.00080e-39; + unit_data(26).units = "(GeV/c^2)^-2"; + + unit_data(27).name = "Planck constant"; + unit_data(27).value = 6.62606957e-34; + unit_data(27).uncertainty = 0.00000029e-34; + unit_data(27).units = "J s"; + + unit_data(28).name = "Planck constant in eV s"; + unit_data(28).value = 4.135667516e-15; + unit_data(28).uncertainty = 0.000000091e-15; + unit_data(28).units = "eV s"; + + unit_data(29).name = "Planck constant over 2 pi"; + unit_data(29).value = 1.054571726e-34; + unit_data(29).uncertainty = 0.000000047e-34; + unit_data(29).units = "J s"; + + unit_data(30).name = "Planck constant over 2 pi in eV s"; + unit_data(30).value = 6.58211928e-16; + unit_data(30).uncertainty = 0.00000015e-16; + unit_data(30).units = "eV s"; + + unit_data(31).name = "Planck constant over 2 pi times c in MeV fm"; + unit_data(31).value = 197.3269718; + unit_data(31).uncertainty = 0.0000044; + unit_data(31).units = "MeV fm"; + + unit_data(32).name = "Planck length"; + unit_data(32).value = 1.616199e-35; + unit_data(32).uncertainty = 0.000097e-35; + unit_data(32).units = "m"; + + unit_data(33).name = "Planck mass"; + unit_data(33).value = 2.17651e-8; + unit_data(33).uncertainty = 0.00013e-8; + unit_data(33).units = "kg"; + + unit_data(34).name = "Planck mass energy equivalent in GeV"; + unit_data(34).value = 1.220932e19; + unit_data(34).uncertainty = 0.000073e19; + unit_data(34).units = "GeV"; + + unit_data(35).name = "Planck temperature"; + unit_data(35).value = 1.416833e32; + unit_data(35).uncertainty = 0.000085e32; + unit_data(35).units = "K"; + + unit_data(36).name = "Planck time"; + unit_data(36).value = 5.39106e-44; + unit_data(36).uncertainty = 0.00032e-44; + unit_data(36).units = "s"; + + unit_data(37).name = "Rydberg constant"; + unit_data(37).value = 10973731.568539; + unit_data(37).uncertainty = 0.000055; + unit_data(37).units = "m^-1"; + + unit_data(38).name = "Rydberg constant times c in Hz"; + unit_data(38).value = 3.289841960364e15; + unit_data(38).uncertainty = 0.000000000017e15; + unit_data(38).units = "Hz"; + + unit_data(39).name = "Rydberg constant times hc in J"; + unit_data(39).value = 2.179872171e-18; + unit_data(39).uncertainty = 0.000000096e-18; + unit_data(39).units = "J"; + + unit_data(40).name = "Rydberg constant times hc in eV"; + unit_data(40).value = 13.60569253; + unit_data(40).uncertainty = 0.00000030; + unit_data(40).units = "eV"; + + unit_data(41).name = "Sackur-Tetrode constant (1 K, 100 kPa)"; + unit_data(41).value = -1.1517078; + unit_data(41).uncertainty = 0.0000023; + unit_data(41).units = ""; + + unit_data(42).name = "Sackur-Tetrode constant (1 K, 101.325 kPa)"; + unit_data(42).value = -1.1648708; + unit_data(42).uncertainty = 0.0000023; + unit_data(42).units = ""; + + unit_data(43).name = "Stefan-Boltzmann constant"; + unit_data(43).value = 5.670373e-8; + unit_data(43).uncertainty = 0.000021e-8; + unit_data(43).units = "W m^-2 K^-4"; + + unit_data(44).name = "Thomson cross section"; + unit_data(44).value = 0.6652458734e-28; + unit_data(44).uncertainty = 0.0000000013e-28; + unit_data(44).units = "m^2"; + + unit_data(45).name = "Wien frequency displacement law constant"; + unit_data(45).value = 5.8789254e10; + unit_data(45).uncertainty = 0.0000053e10; + unit_data(45).units = "Hz K^-1"; + + unit_data(46).name = "Wien wavelength displacement law constant"; + unit_data(46).value = 2.8977721e-3; + unit_data(46).uncertainty = 0.0000026e-3; + unit_data(46).units = "m K"; + + unit_data(47).name = "alpha particle mass"; + unit_data(47).value = 6.64465675e-27; + unit_data(47).uncertainty = 0.00000029e-27; + unit_data(47).units = "kg"; + + unit_data(48).name = "alpha particle mass energy equivalent"; + unit_data(48).value = 5.97191967e-10; + unit_data(48).uncertainty = 0.00000026e-10; + unit_data(48).units = "J"; + + unit_data(49).name = "alpha particle mass energy equivalent in MeV"; + unit_data(49).value = 3727.379240; + unit_data(49).uncertainty = 0.000082; + unit_data(49).units = "MeV"; + + unit_data(50).name = "alpha particle mass in u"; + unit_data(50).value = 4.001506179125; + unit_data(50).uncertainty = 0.000000000062; + unit_data(50).units = "u"; + + unit_data(51).name = "alpha particle molar mass"; + unit_data(51).value = 4.001506179125e-3; + unit_data(51).uncertainty = 0.000000000062e-3; + unit_data(51).units = "kg mol^-1"; + + unit_data(52).name = "alpha particle-electron mass ratio"; + unit_data(52).value = 7294.2995361; + unit_data(52).uncertainty = 0.0000029; + unit_data(52).units = ""; + + unit_data(53).name = "alpha particle-proton mass ratio"; + unit_data(53).value = 3.97259968933; + unit_data(53).uncertainty = 0.00000000036; + unit_data(53).units = ""; + + unit_data(54).name = "atomic mass constant"; + unit_data(54).value = 1.660538921e-27; + unit_data(54).uncertainty = 0.000000073e-27; + unit_data(54).units = "kg"; + + unit_data(55).name = "atomic mass constant energy equivalent"; + unit_data(55).value = 1.492417954e-10; + unit_data(55).uncertainty = 0.000000066e-10; + unit_data(55).units = "J"; + + unit_data(56).name = "atomic mass constant energy equivalent in MeV"; + unit_data(56).value = 931.494061; + unit_data(56).uncertainty = 0.000021; + unit_data(56).units = "MeV"; + + unit_data(57).name = "atomic mass unit-electron volt relationship"; + unit_data(57).value = 931.494061e6; + unit_data(57).uncertainty = 0.000021e6; + unit_data(57).units = "eV"; + + unit_data(58).name = "atomic mass unit-hartree relationship"; + unit_data(58).value = 3.4231776845e7; + unit_data(58).uncertainty = 0.0000000024e7; + unit_data(58).units = "E_h"; + + unit_data(59).name = "atomic mass unit-hertz relationship"; + unit_data(59).value = 2.2523427168e23; + unit_data(59).uncertainty = 0.0000000016e23; + unit_data(59).units = "Hz"; + + unit_data(60).name = "atomic mass unit-inverse meter relationship"; + unit_data(60).value = 7.5130066042e14; + unit_data(60).uncertainty = 0.0000000053e14; + unit_data(60).units = "m^-1"; + + unit_data(61).name = "atomic mass unit-joule relationship"; + unit_data(61).value = 1.492417954e-10; + unit_data(61).uncertainty = 0.000000066e-10; + unit_data(61).units = "J"; + + unit_data(62).name = "atomic mass unit-kelvin relationship"; + unit_data(62).value = 1.08095408e13; + unit_data(62).uncertainty = 0.00000098e13; + unit_data(62).units = "K"; + + unit_data(63).name = "atomic mass unit-kilogram relationship"; + unit_data(63).value = 1.660538921e-27; + unit_data(63).uncertainty = 0.000000073e-27; + unit_data(63).units = "kg"; + + unit_data(64).name = "atomic unit of 1st hyperpolarizability"; + unit_data(64).value = 3.206361449e-53; + unit_data(64).uncertainty = 0.000000071e-53; + unit_data(64).units = "C^3 m^3 J^-2"; + + unit_data(65).name = "atomic unit of 2nd hyperpolarizability"; + unit_data(65).value = 6.23538054e-65; + unit_data(65).uncertainty = 0.00000028e-65; + unit_data(65).units = "C^4 m^4 J^-3"; + + unit_data(66).name = "atomic unit of action"; + unit_data(66).value = 1.054571726e-34; + unit_data(66).uncertainty = 0.000000047e-34; + unit_data(66).units = "J s"; + + unit_data(67).name = "atomic unit of charge"; + unit_data(67).value = 1.602176565e-19; + unit_data(67).uncertainty = 0.000000035e-19; + unit_data(67).units = "C"; + + unit_data(68).name = "atomic unit of charge density"; + unit_data(68).value = 1.081202338e12; + unit_data(68).uncertainty = 0.000000024e12; + unit_data(68).units = "C m^-3"; + + unit_data(69).name = "atomic unit of current"; + unit_data(69).value = 6.62361795e-3; + unit_data(69).uncertainty = 0.00000015e-3; + unit_data(69).units = "A"; + + unit_data(70).name = "atomic unit of electric dipole mom."; + unit_data(70).value = 8.47835326e-30; + unit_data(70).uncertainty = 0.00000019e-30; + unit_data(70).units = "C m"; + + unit_data(71).name = "atomic unit of electric field"; + unit_data(71).value = 5.14220652e11; + unit_data(71).uncertainty = 0.00000011e11; + unit_data(71).units = "V m^-1"; + + unit_data(72).name = "atomic unit of electric field gradient"; + unit_data(72).value = 9.71736200e21; + unit_data(72).uncertainty = 0.00000021e21; + unit_data(72).units = "V m^-2"; + + unit_data(73).name = "atomic unit of electric polarizability"; + unit_data(73).value = 1.6487772754e-41; + unit_data(73).uncertainty = 0.0000000016e-41; + unit_data(73).units = "C^2 m^2 J^-1"; + + unit_data(74).name = "atomic unit of electric potential"; + unit_data(74).value = 27.21138505; + unit_data(74).uncertainty = 0.00000060; + unit_data(74).units = "V"; + + unit_data(75).name = "atomic unit of electric quadrupole mom."; + unit_data(75).value = 4.486551331e-40; + unit_data(75).uncertainty = 0.000000099e-40; + unit_data(75).units = "C m^2"; + + unit_data(76).name = "atomic unit of energy"; + unit_data(76).value = 4.35974434e-18; + unit_data(76).uncertainty = 0.00000019e-18; + unit_data(76).units = "J"; + + unit_data(77).name = "atomic unit of force"; + unit_data(77).value = 8.23872278e-8; + unit_data(77).uncertainty = 0.00000036e-8; + unit_data(77).units = "N"; + + unit_data(78).name = "atomic unit of length"; + unit_data(78).value = 0.52917721092e-10; + unit_data(78).uncertainty = 0.00000000017e-10; + unit_data(78).units = "m"; + + unit_data(79).name = "atomic unit of mag. dipole mom."; + unit_data(79).value = 1.854801936e-23; + unit_data(79).uncertainty = 0.000000041e-23; + unit_data(79).units = "J T^-1"; + + unit_data(80).name = "atomic unit of mag. flux density"; + unit_data(80).value = 2.350517464e5; + unit_data(80).uncertainty = 0.000000052e5; + unit_data(80).units = "T"; + + unit_data(81).name = "atomic unit of magnetizability"; + unit_data(81).value = 7.891036607e-29; + unit_data(81).uncertainty = 0.000000013e-29; + unit_data(81).units = "J T^-2"; + + unit_data(82).name = "atomic unit of mass"; + unit_data(82).value = 9.10938291e-31; + unit_data(82).uncertainty = 0.00000040e-31; + unit_data(82).units = "kg"; + + unit_data(83).name = "atomic unit of mom.um"; + unit_data(83).value = 1.992851740e-24; + unit_data(83).uncertainty = 0.000000088e-24; + unit_data(83).units = "kg m s^-1"; + + unit_data(84).name = "atomic unit of permittivity"; + unit_data(84).value = 1.112650056e-10; + unit_data(84).uncertainty = 0.0; + unit_data(84).units = "F m^-1"; + + unit_data(85).name = "atomic unit of time"; + unit_data(85).value = 2.418884326502e-17; + unit_data(85).uncertainty = 0.000000000012e-17; + unit_data(85).units = "s"; + + unit_data(86).name = "atomic unit of velocity"; + unit_data(86).value = 2.18769126379e6; + unit_data(86).uncertainty = 0.00000000071e6; + unit_data(86).units = "m s^-1"; + + unit_data(87).name = "characteristic impedance of vacuum"; + unit_data(87).value = 376.730313461; + unit_data(87).uncertainty = 0.0; + unit_data(87).units = "ohm"; + + unit_data(88).name = "classical electron radius"; + unit_data(88).value = 2.8179403267e-15; + unit_data(88).uncertainty = 0.0000000027e-15; + unit_data(88).units = "m"; + + unit_data(89).name = "conductance quantum"; + unit_data(89).value = 7.7480917346e-5; + unit_data(89).uncertainty = 0.0000000025e-5; + unit_data(89).units = "S"; + + unit_data(90).name = "conventional value of Josephson constant"; + unit_data(90).value = 483597.9e9; + unit_data(90).uncertainty = 0.0; + unit_data(90).units = "Hz V^-1"; + + unit_data(91).name = "conventional value of von Klitzing constant"; + unit_data(91).value = 25812.807; + unit_data(91).uncertainty = 0.0; + unit_data(91).units = "ohm"; + + unit_data(92).name = "deuteron g factor"; + unit_data(92).value = 0.8574382308; + unit_data(92).uncertainty = 0.0000000072; + unit_data(92).units = ""; + + unit_data(93).name = "deuteron mag. mom."; + unit_data(93).value = 0.433073489e-26; + unit_data(93).uncertainty = 0.000000010e-26; + unit_data(93).units = "J T^-1"; + + unit_data(94).name = "deuteron mag. mom. to Bohr magneton ratio"; + unit_data(94).value = 0.4669754556e-3; + unit_data(94).uncertainty = 0.0000000039e-3; + unit_data(94).units = ""; + + unit_data(95).name = "deuteron mag. mom. to nuclear magneton ratio"; + unit_data(95).value = 0.8574382308; + unit_data(95).uncertainty = 0.0000000072; + unit_data(95).units = ""; + + unit_data(96).name = "deuteron mass"; + unit_data(96).value = 3.34358348e-27; + unit_data(96).uncertainty = 0.00000015e-27; + unit_data(96).units = "kg"; + + unit_data(97).name = "deuteron mass energy equivalent"; + unit_data(97).value = 3.00506297e-10; + unit_data(97).uncertainty = 0.00000013e-10; + unit_data(97).units = "J"; + + unit_data(98).name = "deuteron mass energy equivalent in MeV"; + unit_data(98).value = 1875.612859; + unit_data(98).uncertainty = 0.000041; + unit_data(98).units = "MeV"; + + unit_data(99).name = "deuteron mass in u"; + unit_data(99).value = 2.013553212712; + unit_data(99).uncertainty = 0.000000000077; + unit_data(99).units = "u"; + + unit_data(100).name = "deuteron molar mass"; + unit_data(100).value = 2.013553212712e-3; + unit_data(100).uncertainty = 0.000000000077e-3; + unit_data(100).units = "kg mol^-1"; + + unit_data(101).name = "deuteron rms charge radius"; + unit_data(101).value = 2.1424e-15; + unit_data(101).uncertainty = 0.0021e-15; + unit_data(101).units = "m"; + + unit_data(102).name = "deuteron-electron mag. mom. ratio"; + unit_data(102).value = -4.664345537e-4; + unit_data(102).uncertainty = 0.000000039e-4; + unit_data(102).units = ""; + + unit_data(103).name = "deuteron-electron mass ratio"; + unit_data(103).value = 3670.4829652; + unit_data(103).uncertainty = 0.0000015; + unit_data(103).units = ""; + + unit_data(104).name = "deuteron-neutron mag. mom. ratio"; + unit_data(104).value = -0.44820652; + unit_data(104).uncertainty = 0.00000011; + unit_data(104).units = ""; + + unit_data(105).name = "deuteron-proton mag. mom. ratio"; + unit_data(105).value = 0.3070122070; + unit_data(105).uncertainty = 0.0000000024; + unit_data(105).units = ""; + + unit_data(106).name = "deuteron-proton mass ratio"; + unit_data(106).value = 1.99900750097; + unit_data(106).uncertainty = 0.00000000018; + unit_data(106).units = ""; + + unit_data(107).name = "electric constant"; + unit_data(107).value = 8.854187817e-12; + unit_data(107).uncertainty = 0.0; + unit_data(107).units = "F m^-1"; + + unit_data(108).name = "electron charge to mass quotient"; + unit_data(108).value = -1.758820088e11; + unit_data(108).uncertainty = 0.000000039e11; + unit_data(108).units = "C kg^-1"; + + unit_data(109).name = "electron g factor"; + unit_data(109).value = -2.00231930436153; + unit_data(109).uncertainty = 0.00000000000053; + unit_data(109).units = ""; + + unit_data(110).name = "electron gyromag. ratio"; + unit_data(110).value = 1.760859708e11; + unit_data(110).uncertainty = 0.000000039e11; + unit_data(110).units = "s^-1 T^-1"; + + unit_data(111).name = "electron gyromag. ratio over 2 pi"; + unit_data(111).value = 28024.95266; + unit_data(111).uncertainty = 0.00062; + unit_data(111).units = "MHz T^-1"; + + unit_data(112).name = "electron mag. mom."; + unit_data(112).value = -928.476430e-26; + unit_data(112).uncertainty = 0.000021e-26; + unit_data(112).units = "J T^-1"; + + unit_data(113).name = "electron mag. mom. anomaly"; + unit_data(113).value = 1.15965218076e-3; + unit_data(113).uncertainty = 0.00000000027e-3; + unit_data(113).units = ""; + + unit_data(114).name = "electron mag. mom. to Bohr magneton ratio"; + unit_data(114).value = -1.00115965218076; + unit_data(114).uncertainty = 0.00000000000027; + unit_data(114).units = ""; + + unit_data(115).name = "electron mag. mom. to nuclear magneton ratio"; + unit_data(115).value = -1838.28197090; + unit_data(115).uncertainty = 0.00000075; + unit_data(115).units = ""; + + unit_data(116).name = "electron mass"; + unit_data(116).value = 9.10938291e-31; + unit_data(116).uncertainty = 0.00000040e-31; + unit_data(116).units = "kg"; + + unit_data(117).name = "electron mass energy equivalent"; + unit_data(117).value = 8.18710506e-14; + unit_data(117).uncertainty = 0.00000036e-14; + unit_data(117).units = "J"; + + unit_data(118).name = "electron mass energy equivalent in MeV"; + unit_data(118).value = 0.510998928; + unit_data(118).uncertainty = 0.000000011; + unit_data(118).units = "MeV"; + + unit_data(119).name = "electron mass in u"; + unit_data(119).value = 5.4857990946e-4; + unit_data(119).uncertainty = 0.0000000022e-4; + unit_data(119).units = "u"; + + unit_data(120).name = "electron molar mass"; + unit_data(120).value = 5.4857990946e-7; + unit_data(120).uncertainty = 0.0000000022e-7; + unit_data(120).units = "kg mol^-1"; + + unit_data(121).name = "electron to alpha particle mass ratio"; + unit_data(121).value = 1.37093355578e-4; + unit_data(121).uncertainty = 0.00000000055e-4; + unit_data(121).units = ""; + + unit_data(122).name = "electron to shielded helion mag. mom. ratio"; + unit_data(122).value = 864.058257; + unit_data(122).uncertainty = 0.000010; + unit_data(122).units = ""; + + unit_data(123).name = "electron to shielded proton mag. mom. ratio"; + unit_data(123).value = -658.2275971; + unit_data(123).uncertainty = 0.0000072; + unit_data(123).units = ""; + + unit_data(124).name = "electron volt"; + unit_data(124).value = 1.602176565e-19; + unit_data(124).uncertainty = 0.000000035e-19; + unit_data(124).units = "J"; + + unit_data(125).name = "electron volt-atomic mass unit relationship"; + unit_data(125).value = 1.073544150e-9; + unit_data(125).uncertainty = 0.000000024e-9; + unit_data(125).units = "u"; + + unit_data(126).name = "electron volt-hartree relationship"; + unit_data(126).value = 3.674932379e-2; + unit_data(126).uncertainty = 0.000000081e-2; + unit_data(126).units = "E_h"; + + unit_data(127).name = "electron volt-hertz relationship"; + unit_data(127).value = 2.417989348e14; + unit_data(127).uncertainty = 0.000000053e14; + unit_data(127).units = "Hz"; + + unit_data(128).name = "electron volt-inverse meter relationship"; + unit_data(128).value = 8.06554429e5; + unit_data(128).uncertainty = 0.00000018e5; + unit_data(128).units = "m^-1"; + + unit_data(129).name = "electron volt-joule relationship"; + unit_data(129).value = 1.602176565e-19; + unit_data(129).uncertainty = 0.000000035e-19; + unit_data(129).units = "J"; + + unit_data(130).name = "electron volt-kelvin relationship"; + unit_data(130).value = 1.1604519e4; + unit_data(130).uncertainty = 0.0000011e4; + unit_data(130).units = "K"; + + unit_data(131).name = "electron volt-kilogram relationship"; + unit_data(131).value = 1.782661845e-36; + unit_data(131).uncertainty = 0.000000039e-36; + unit_data(131).units = "kg"; + + unit_data(132).name = "electron-deuteron mag. mom. ratio"; + unit_data(132).value = -2143.923498; + unit_data(132).uncertainty = 0.000018; + unit_data(132).units = ""; + + unit_data(133).name = "electron-deuteron mass ratio"; + unit_data(133).value = 2.7244371095e-4; + unit_data(133).uncertainty = 0.0000000011e-4; + unit_data(133).units = ""; + + unit_data(134).name = "electron-helion mass ratio"; + unit_data(134).value = 1.8195430761e-4; + unit_data(134).uncertainty = 0.0000000017e-4; + unit_data(134).units = ""; + + unit_data(135).name = "electron-muon mag. mom. ratio"; + unit_data(135).value = 206.7669896; + unit_data(135).uncertainty = 0.0000052; + unit_data(135).units = ""; + + unit_data(136).name = "electron-muon mass ratio"; + unit_data(136).value = 4.83633166e-3; + unit_data(136).uncertainty = 0.00000012e-3; + unit_data(136).units = ""; + + unit_data(137).name = "electron-neutron mag. mom. ratio"; + unit_data(137).value = 960.92050; + unit_data(137).uncertainty = 0.00023; + unit_data(137).units = ""; + + unit_data(138).name = "electron-neutron mass ratio"; + unit_data(138).value = 5.4386734461e-4; + unit_data(138).uncertainty = 0.0000000032e-4; + unit_data(138).units = ""; + + unit_data(139).name = "electron-proton mag. mom. ratio"; + unit_data(139).value = -658.2106848; + unit_data(139).uncertainty = 0.0000054; + unit_data(139).units = ""; + + unit_data(140).name = "electron-proton mass ratio"; + unit_data(140).value = 5.4461702178e-4; + unit_data(140).uncertainty = 0.0000000022e-4; + unit_data(140).units = ""; + + unit_data(141).name = "electron-tau mass ratio"; + unit_data(141).value = 2.87592e-4; + unit_data(141).uncertainty = 0.00026e-4; + unit_data(141).units = ""; + + unit_data(142).name = "electron-triton mass ratio"; + unit_data(142).value = 1.8192000653e-4; + unit_data(142).uncertainty = 0.0000000017e-4; + unit_data(142).units = ""; + + unit_data(143).name = "elementary charge"; + unit_data(143).value = 1.602176565e-19; + unit_data(143).uncertainty = 0.000000035e-19; + unit_data(143).units = "C"; + + unit_data(144).name = "elementary charge over h"; + unit_data(144).value = 2.417989348e14; + unit_data(144).uncertainty = 0.000000053e14; + unit_data(144).units = "A J^-1"; + + unit_data(145).name = "fine-structure constant"; + unit_data(145).value = 7.2973525698e-3; + unit_data(145).uncertainty = 0.0000000024e-3; + unit_data(145).units = ""; + + unit_data(146).name = "first radiation constant"; + unit_data(146).value = 3.74177153e-16; + unit_data(146).uncertainty = 0.00000017e-16; + unit_data(146).units = "W m^2"; + + unit_data(147).name = "first radiation constant for spectral radiance"; + unit_data(147).value = 1.191042869e-16; + unit_data(147).uncertainty = 0.000000053e-16; + unit_data(147).units = "W m^2 sr^-1"; + + unit_data(148).name = "hartree-atomic mass unit relationship"; + unit_data(148).value = 2.9212623246e-8; + unit_data(148).uncertainty = 0.0000000021e-8; + unit_data(148).units = "u"; + + unit_data(149).name = "hartree-electron volt relationship"; + unit_data(149).value = 27.21138505; + unit_data(149).uncertainty = 0.00000060; + unit_data(149).units = "eV"; + + unit_data(150).name = "hartree-hertz relationship"; + unit_data(150).value = 6.579683920729e15; + unit_data(150).uncertainty = 0.000000000033e15; + unit_data(150).units = "Hz"; + + unit_data(151).name = "hartree-inverse meter relationship"; + unit_data(151).value = 2.194746313708e7; + unit_data(151).uncertainty = 0.000000000011e7; + unit_data(151).units = "m^-1"; + + unit_data(152).name = "hartree-joule relationship"; + unit_data(152).value = 4.35974434e-18; + unit_data(152).uncertainty = 0.00000019e-18; + unit_data(152).units = "J"; + + unit_data(153).name = "hartree-kelvin relationship"; + unit_data(153).value = 3.1577504e5; + unit_data(153).uncertainty = 0.0000029e5; + unit_data(153).units = "K"; + + unit_data(154).name = "hartree-kilogram relationship"; + unit_data(154).value = 4.85086979e-35; + unit_data(154).uncertainty = 0.00000021e-35; + unit_data(154).units = "kg"; + + unit_data(155).name = "helion g factor"; + unit_data(155).value = -4.255250613; + unit_data(155).uncertainty = 0.000000050; + unit_data(155).units = ""; + + unit_data(156).name = "helion mag. mom."; + unit_data(156).value = -1.074617486e-26; + unit_data(156).uncertainty = 0.000000027e-26; + unit_data(156).units = "J T^-1"; + + unit_data(157).name = "helion mag. mom. to Bohr magneton ratio"; + unit_data(157).value = -1.158740958e-3; + unit_data(157).uncertainty = 0.000000014e-3; + unit_data(157).units = ""; + + unit_data(158).name = "helion mag. mom. to nuclear magneton ratio"; + unit_data(158).value = -2.127625306; + unit_data(158).uncertainty = 0.000000025; + unit_data(158).units = ""; + + unit_data(159).name = "helion mass"; + unit_data(159).value = 5.00641234e-27; + unit_data(159).uncertainty = 0.00000022e-27; + unit_data(159).units = "kg"; + + unit_data(160).name = "helion mass energy equivalent"; + unit_data(160).value = 4.49953902e-10; + unit_data(160).uncertainty = 0.00000020e-10; + unit_data(160).units = "J"; + + unit_data(161).name = "helion mass energy equivalent in MeV"; + unit_data(161).value = 2808.391482; + unit_data(161).uncertainty = 0.000062; + unit_data(161).units = "MeV"; + + unit_data(162).name = "helion mass in u"; + unit_data(162).value = 3.0149322468; + unit_data(162).uncertainty = 0.0000000025; + unit_data(162).units = "u"; + + unit_data(163).name = "helion molar mass"; + unit_data(163).value = 3.0149322468e-3; + unit_data(163).uncertainty = 0.0000000025e-3; + unit_data(163).units = "kg mol^-1"; + + unit_data(164).name = "helion-electron mass ratio"; + unit_data(164).value = 5495.8852754; + unit_data(164).uncertainty = 0.0000050; + unit_data(164).units = ""; + + unit_data(165).name = "helion-proton mass ratio"; + unit_data(165).value = 2.9931526707; + unit_data(165).uncertainty = 0.0000000025; + unit_data(165).units = ""; + + unit_data(166).name = "hertz-atomic mass unit relationship"; + unit_data(166).value = 4.4398216689e-24; + unit_data(166).uncertainty = 0.0000000031e-24; + unit_data(166).units = "u"; + + unit_data(167).name = "hertz-electron volt relationship"; + unit_data(167).value = 4.135667516e-15; + unit_data(167).uncertainty = 0.000000091e-15; + unit_data(167).units = "eV"; + + unit_data(168).name = "hertz-hartree relationship"; + unit_data(168).value = 1.5198298460045e-16; + unit_data(168).uncertainty = 0.0000000000076e-16; + unit_data(168).units = "E_h"; + + unit_data(169).name = "hertz-inverse meter relationship"; + unit_data(169).value = 3.335640951e-9; + unit_data(169).uncertainty = 0.0; + unit_data(169).units = "m^-1"; + + unit_data(170).name = "hertz-joule relationship"; + unit_data(170).value = 6.62606957e-34; + unit_data(170).uncertainty = 0.00000029e-34; + unit_data(170).units = "J"; + + unit_data(171).name = "hertz-kelvin relationship"; + unit_data(171).value = 4.7992434e-11; + unit_data(171).uncertainty = 0.0000044e-11; + unit_data(171).units = "K"; + + unit_data(172).name = "hertz-kilogram relationship"; + unit_data(172).value = 7.37249668e-51; + unit_data(172).uncertainty = 0.00000033e-51; + unit_data(172).units = "kg"; + + unit_data(173).name = "inverse fine-structure constant"; + unit_data(173).value = 137.035999074; + unit_data(173).uncertainty = 0.000000044; + unit_data(173).units = ""; + + unit_data(174).name = "inverse meter-atomic mass unit relationship"; + unit_data(174).value = 1.33102505120e-15; + unit_data(174).uncertainty = 0.00000000094e-15; + unit_data(174).units = "u"; + + unit_data(175).name = "inverse meter-electron volt relationship"; + unit_data(175).value = 1.239841930e-6; + unit_data(175).uncertainty = 0.000000027e-6; + unit_data(175).units = "eV"; + + unit_data(176).name = "inverse meter-hartree relationship"; + unit_data(176).value = 4.556335252755e-8; + unit_data(176).uncertainty = 0.000000000023e-8; + unit_data(176).units = "E_h"; + + unit_data(177).name = "inverse meter-hertz relationship"; + unit_data(177).value = 299792458; + unit_data(177).uncertainty = 0.0; + unit_data(177).units = "Hz"; + + unit_data(178).name = "inverse meter-joule relationship"; + unit_data(178).value = 1.986445684e-25; + unit_data(178).uncertainty = 0.000000088e-25; + unit_data(178).units = "J"; + + unit_data(179).name = "inverse meter-kelvin relationship"; + unit_data(179).value = 1.4387770e-2; + unit_data(179).uncertainty = 0.0000013e-2; + unit_data(179).units = "K"; + + unit_data(180).name = "inverse meter-kilogram relationship"; + unit_data(180).value = 2.210218902e-42; + unit_data(180).uncertainty = 0.000000098e-42; + unit_data(180).units = "kg"; + + unit_data(181).name = "inverse of conductance quantum"; + unit_data(181).value = 12906.4037217; + unit_data(181).uncertainty = 0.0000042; + unit_data(181).units = "ohm"; + + unit_data(182).name = "joule-atomic mass unit relationship"; + unit_data(182).value = 6.70053585e9; + unit_data(182).uncertainty = 0.00000030e9; + unit_data(182).units = "u"; + + unit_data(183).name = "joule-electron volt relationship"; + unit_data(183).value = 6.24150934e18; + unit_data(183).uncertainty = 0.00000014e18; + unit_data(183).units = "eV"; + + unit_data(184).name = "joule-hartree relationship"; + unit_data(184).value = 2.29371248e17; + unit_data(184).uncertainty = 0.00000010e17; + unit_data(184).units = "E_h"; + + unit_data(185).name = "joule-hertz relationship"; + unit_data(185).value = 1.509190311e33; + unit_data(185).uncertainty = 0.000000067e33; + unit_data(185).units = "Hz"; + + unit_data(186).name = "joule-inverse meter relationship"; + unit_data(186).value = 5.03411701e24; + unit_data(186).uncertainty = 0.00000022e24; + unit_data(186).units = "m^-1"; + + unit_data(187).name = "joule-kelvin relationship"; + unit_data(187).value = 7.2429716e22; + unit_data(187).uncertainty = 0.0000066e22; + unit_data(187).units = "K"; + + unit_data(188).name = "joule-kilogram relationship"; + unit_data(188).value = 1.112650056e-17; + unit_data(188).uncertainty = 0.0; + unit_data(188).units = "kg"; + + unit_data(189).name = "kelvin-atomic mass unit relationship"; + unit_data(189).value = 9.2510868e-14; + unit_data(189).uncertainty = 0.0000084e-14; + unit_data(189).units = "u"; + + unit_data(190).name = "kelvin-electron volt relationship"; + unit_data(190).value = 8.6173324e-5; + unit_data(190).uncertainty = 0.0000078e-5; + unit_data(190).units = "eV"; + + unit_data(191).name = "kelvin-hartree relationship"; + unit_data(191).value = 3.1668114e-6; + unit_data(191).uncertainty = 0.0000029e-6; + unit_data(191).units = "E_h"; + + unit_data(192).name = "kelvin-hertz relationship"; + unit_data(192).value = 2.0836618e10; + unit_data(192).uncertainty = 0.0000019e10; + unit_data(192).units = "Hz"; + + unit_data(193).name = "kelvin-inverse meter relationship"; + unit_data(193).value = 69.503476; + unit_data(193).uncertainty = 0.000063; + unit_data(193).units = "m^-1"; + + unit_data(194).name = "kelvin-joule relationship"; + unit_data(194).value = 1.3806488e-23; + unit_data(194).uncertainty = 0.0000013e-23; + unit_data(194).units = "J"; + + unit_data(195).name = "kelvin-kilogram relationship"; + unit_data(195).value = 1.5361790e-40; + unit_data(195).uncertainty = 0.0000014e-40; + unit_data(195).units = "kg"; + + unit_data(196).name = "kilogram-atomic mass unit relationship"; + unit_data(196).value = 6.02214129e26; + unit_data(196).uncertainty = 0.00000027e26; + unit_data(196).units = "u"; + + unit_data(197).name = "kilogram-electron volt relationship"; + unit_data(197).value = 5.60958885e35; + unit_data(197).uncertainty = 0.00000012e35; + unit_data(197).units = "eV"; + + unit_data(198).name = "kilogram-hartree relationship"; + unit_data(198).value = 2.061485968e34; + unit_data(198).uncertainty = 0.000000091e34; + unit_data(198).units = "E_h"; + + unit_data(199).name = "kilogram-hertz relationship"; + unit_data(199).value = 1.356392608e50; + unit_data(199).uncertainty = 0.000000060e50; + unit_data(199).units = "Hz"; + + unit_data(200).name = "kilogram-inverse meter relationship"; + unit_data(200).value = 4.52443873e41; + unit_data(200).uncertainty = 0.00000020e41; + unit_data(200).units = "m^-1"; + + unit_data(201).name = "kilogram-joule relationship"; + unit_data(201).value = 8.987551787e16; + unit_data(201).uncertainty = 0.0; + unit_data(201).units = "J"; + + unit_data(202).name = "kilogram-kelvin relationship"; + unit_data(202).value = 6.5096582e39; + unit_data(202).uncertainty = 0.0000059e39; + unit_data(202).units = "K"; + + unit_data(203).name = "lattice parameter of silicon"; + unit_data(203).value = 543.1020504e-12; + unit_data(203).uncertainty = 0.0000089e-12; + unit_data(203).units = "m"; + + unit_data(204).name = "mag. constant"; + unit_data(204).value = 12.566370614e-7; + unit_data(204).uncertainty = 0.0; + unit_data(204).units = "N A^-2"; + + unit_data(205).name = "mag. flux quantum"; + unit_data(205).value = 2.067833758e-15; + unit_data(205).uncertainty = 0.000000046e-15; + unit_data(205).units = "Wb"; + + unit_data(206).name = "molar Planck constant"; + unit_data(206).value = 3.9903127176e-10; + unit_data(206).uncertainty = 0.0000000028e-10; + unit_data(206).units = "J s mol^-1"; + + unit_data(207).name = "molar Planck constant times c"; + unit_data(207).value = 0.119626565779; + unit_data(207).uncertainty = 0.000000000084; + unit_data(207).units = "J m mol^-1"; + + unit_data(208).name = "molar gas constant"; + unit_data(208).value = 8.3144621; + unit_data(208).uncertainty = 0.0000075; + unit_data(208).units = "J mol^-1 K^-1"; + + unit_data(209).name = "molar mass constant"; + unit_data(209).value = 1e-3; + unit_data(209).uncertainty = 0.0; + unit_data(209).units = "kg mol^-1"; + + unit_data(210).name = "molar mass of carbon-12"; + unit_data(210).value = 12e-3; + unit_data(210).uncertainty = 0.0; + unit_data(210).units = "kg mol^-1"; + + unit_data(211).name = "molar volume of ideal gas (273.15 K, 100 kPa)"; + unit_data(211).value = 22.710953e-3; + unit_data(211).uncertainty = 0.000021e-3; + unit_data(211).units = "m^3 mol^-1"; + + unit_data(212).name = "molar volume of ideal gas (273.15 K, 101.325 kPa)"; + unit_data(212).value = 22.413968e-3; + unit_data(212).uncertainty = 0.000020e-3; + unit_data(212).units = "m^3 mol^-1"; + + unit_data(213).name = "molar volume of silicon"; + unit_data(213).value = 12.05883301e-6; + unit_data(213).uncertainty = 0.00000080e-6; + unit_data(213).units = "m^3 mol^-1"; + + unit_data(214).name = "muon Compton wavelength"; + unit_data(214).value = 11.73444103e-15; + unit_data(214).uncertainty = 0.00000030e-15; + unit_data(214).units = "m"; + + unit_data(215).name = "muon Compton wavelength over 2 pi"; + unit_data(215).value = 1.867594294e-15; + unit_data(215).uncertainty = 0.000000047e-15; + unit_data(215).units = "m"; + + unit_data(216).name = "muon g factor"; + unit_data(216).value = -2.0023318418; + unit_data(216).uncertainty = 0.0000000013; + unit_data(216).units = ""; + + unit_data(217).name = "muon mag. mom."; + unit_data(217).value = -4.49044807e-26; + unit_data(217).uncertainty = 0.00000015e-26; + unit_data(217).units = "J T^-1"; + + unit_data(218).name = "muon mag. mom. anomaly"; + unit_data(218).value = 1.16592091e-3; + unit_data(218).uncertainty = 0.00000063e-3; + unit_data(218).units = ""; + + unit_data(219).name = "muon mag. mom. to Bohr magneton ratio"; + unit_data(219).value = -4.84197044e-3; + unit_data(219).uncertainty = 0.00000012e-3; + unit_data(219).units = ""; + + unit_data(220).name = "muon mag. mom. to nuclear magneton ratio"; + unit_data(220).value = -8.89059697; + unit_data(220).uncertainty = 0.00000022; + unit_data(220).units = ""; + + unit_data(221).name = "muon mass"; + unit_data(221).value = 1.883531475e-28; + unit_data(221).uncertainty = 0.000000096e-28; + unit_data(221).units = "kg"; + + unit_data(222).name = "muon mass energy equivalent"; + unit_data(222).value = 1.692833667e-11; + unit_data(222).uncertainty = 0.000000086e-11; + unit_data(222).units = "J"; + + unit_data(223).name = "muon mass energy equivalent in MeV"; + unit_data(223).value = 105.6583715; + unit_data(223).uncertainty = 0.0000035; + unit_data(223).units = "MeV"; + + unit_data(224).name = "muon mass in u"; + unit_data(224).value = 0.1134289267; + unit_data(224).uncertainty = 0.0000000029; + unit_data(224).units = "u"; + + unit_data(225).name = "muon molar mass"; + unit_data(225).value = 0.1134289267e-3; + unit_data(225).uncertainty = 0.0000000029e-3; + unit_data(225).units = "kg mol^-1"; + + unit_data(226).name = "muon-electron mass ratio"; + unit_data(226).value = 206.7682843; + unit_data(226).uncertainty = 0.0000052; + unit_data(226).units = ""; + + unit_data(227).name = "muon-neutron mass ratio"; + unit_data(227).value = 0.1124545177; + unit_data(227).uncertainty = 0.0000000028; + unit_data(227).units = ""; + + unit_data(228).name = "muon-proton mag. mom. ratio"; + unit_data(228).value = -3.183345107; + unit_data(228).uncertainty = 0.000000084; + unit_data(228).units = ""; + + unit_data(229).name = "muon-proton mass ratio"; + unit_data(229).value = 0.1126095272; + unit_data(229).uncertainty = 0.0000000028; + unit_data(229).units = ""; + + unit_data(230).name = "muon-tau mass ratio"; + unit_data(230).value = 5.94649e-2; + unit_data(230).uncertainty = 0.00054e-2; + unit_data(230).units = ""; + + unit_data(231).name = "natural unit of action"; + unit_data(231).value = 1.054571726e-34; + unit_data(231).uncertainty = 0.000000047e-34; + unit_data(231).units = "J s"; + + unit_data(232).name = "natural unit of action in eV s"; + unit_data(232).value = 6.58211928e-16; + unit_data(232).uncertainty = 0.00000015e-16; + unit_data(232).units = "eV s"; + + unit_data(233).name = "natural unit of energy"; + unit_data(233).value = 8.18710506e-14; + unit_data(233).uncertainty = 0.00000036e-14; + unit_data(233).units = "J"; + + unit_data(234).name = "natural unit of energy in MeV"; + unit_data(234).value = 0.510998928; + unit_data(234).uncertainty = 0.000000011; + unit_data(234).units = "MeV"; + + unit_data(235).name = "natural unit of length"; + unit_data(235).value = 386.15926800e-15; + unit_data(235).uncertainty = 0.00000025e-15; + unit_data(235).units = "m"; + + unit_data(236).name = "natural unit of mass"; + unit_data(236).value = 9.10938291e-31; + unit_data(236).uncertainty = 0.00000040e-31; + unit_data(236).units = "kg"; + + unit_data(237).name = "natural unit of mom.um"; + unit_data(237).value = 2.73092429e-22; + unit_data(237).uncertainty = 0.00000012e-22; + unit_data(237).units = "kg m s^-1"; + + unit_data(238).name = "natural unit of mom.um in MeV/c"; + unit_data(238).value = 0.510998928; + unit_data(238).uncertainty = 0.000000011; + unit_data(238).units = "MeV/c"; + + unit_data(239).name = "natural unit of time"; + unit_data(239).value = 1.28808866833e-21; + unit_data(239).uncertainty = 0.00000000083e-21; + unit_data(239).units = "s"; + + unit_data(240).name = "natural unit of velocity"; + unit_data(240).value = 299792458; + unit_data(240).uncertainty = 0.0; + unit_data(240).units = "m s^-1"; + + unit_data(241).name = "neutron Compton wavelength"; + unit_data(241).value = 1.3195909068e-15; + unit_data(241).uncertainty = 0.0000000011e-15; + unit_data(241).units = "m"; + + unit_data(242).name = "neutron Compton wavelength over 2 pi"; + unit_data(242).value = 0.21001941568e-15; + unit_data(242).uncertainty = 0.00000000017e-15; + unit_data(242).units = "m"; + + unit_data(243).name = "neutron g factor"; + unit_data(243).value = -3.82608545; + unit_data(243).uncertainty = 0.00000090; + unit_data(243).units = ""; + + unit_data(244).name = "neutron gyromag. ratio"; + unit_data(244).value = 1.83247179e8; + unit_data(244).uncertainty = 0.00000043e8; + unit_data(244).units = "s^-1 T^-1"; + + unit_data(245).name = "neutron gyromag. ratio over 2 pi"; + unit_data(245).value = 29.1646943; + unit_data(245).uncertainty = 0.0000069; + unit_data(245).units = "MHz T^-1"; + + unit_data(246).name = "neutron mag. mom."; + unit_data(246).value = -0.96623647e-26; + unit_data(246).uncertainty = 0.00000023e-26; + unit_data(246).units = "J T^-1"; + + unit_data(247).name = "neutron mag. mom. to Bohr magneton ratio"; + unit_data(247).value = -1.04187563e-3; + unit_data(247).uncertainty = 0.00000025e-3; + unit_data(247).units = ""; + + unit_data(248).name = "neutron mag. mom. to nuclear magneton ratio"; + unit_data(248).value = -1.91304272; + unit_data(248).uncertainty = 0.00000045; + unit_data(248).units = ""; + + unit_data(249).name = "neutron mass"; + unit_data(249).value = 1.674927351e-27; + unit_data(249).uncertainty = 0.000000074e-27; + unit_data(249).units = "kg"; + + unit_data(250).name = "neutron mass energy equivalent"; + unit_data(250).value = 1.505349631e-10; + unit_data(250).uncertainty = 0.000000066e-10; + unit_data(250).units = "J"; + + unit_data(251).name = "neutron mass energy equivalent in MeV"; + unit_data(251).value = 939.565379; + unit_data(251).uncertainty = 0.000021; + unit_data(251).units = "MeV"; + + unit_data(252).name = "neutron mass in u"; + unit_data(252).value = 1.00866491600; + unit_data(252).uncertainty = 0.00000000043; + unit_data(252).units = "u"; + + unit_data(253).name = "neutron molar mass"; + unit_data(253).value = 1.00866491600e-3; + unit_data(253).uncertainty = 0.00000000043e-3; + unit_data(253).units = "kg mol^-1"; + + unit_data(254).name = "neutron to shielded proton mag. mom. ratio"; + unit_data(254).value = -0.68499694; + unit_data(254).uncertainty = 0.00000016; + unit_data(254).units = ""; + + unit_data(255).name = "neutron-electron mag. mom. ratio"; + unit_data(255).value = 1.04066882e-3; + unit_data(255).uncertainty = 0.00000025e-3; + unit_data(255).units = ""; + + unit_data(256).name = "neutron-electron mass ratio"; + unit_data(256).value = 1838.6836605; + unit_data(256).uncertainty = 0.0000011; + unit_data(256).units = ""; + + unit_data(257).name = "neutron-muon mass ratio"; + unit_data(257).value = 8.89248400; + unit_data(257).uncertainty = 0.00000022; + unit_data(257).units = ""; + + unit_data(258).name = "neutron-proton mag. mom. ratio"; + unit_data(258).value = -0.68497934; + unit_data(258).uncertainty = 0.00000016; + unit_data(258).units = ""; + + unit_data(259).name = "neutron-proton mass difference"; + unit_data(259).value = 2.30557392e-30; + unit_data(259).uncertainty = 0.00000076e-30; + unit_data(259).units = ""; + + unit_data(260).name = "neutron-proton mass difference energy equivalent"; + unit_data(260).value = 2.07214650e-13; + unit_data(260).uncertainty = 0.00000068e-13; + unit_data(260).units = ""; + + unit_data(261).name = "neutron-proton mass difference energy equivalent in MeV"; + unit_data(261).value = 1.29333217; + unit_data(261).uncertainty = 0.00000042; + unit_data(261).units = ""; + + unit_data(262).name = "neutron-proton mass difference in u"; + unit_data(262).value = 0.00138844919; + unit_data(262).uncertainty = 0.00000000045; + unit_data(262).units = ""; + + unit_data(263).name = "neutron-proton mass ratio"; + unit_data(263).value = 1.00137841917; + unit_data(263).uncertainty = 0.00000000045; + unit_data(263).units = ""; + + unit_data(264).name = "neutron-tau mass ratio"; + unit_data(264).value = 0.528790; + unit_data(264).uncertainty = 0.000048; + unit_data(264).units = ""; + + unit_data(265).name = "nuclear magneton"; + unit_data(265).value = 5.05078353e-27; + unit_data(265).uncertainty = 0.00000011e-27; + unit_data(265).units = "J T^-1"; + + unit_data(266).name = "nuclear magneton in K/T"; + unit_data(266).value = 3.6582682e-4; + unit_data(266).uncertainty = 0.0000033e-4; + unit_data(266).units = "K T^-1"; + + unit_data(267).name = "nuclear magneton in MHz/T"; + unit_data(267).value = 7.62259357; + unit_data(267).uncertainty = 0.00000017; + unit_data(267).units = "MHz T^-1"; + + unit_data(268).name = "nuclear magneton in eV/T"; + unit_data(268).value = 3.1524512605e-8; + unit_data(268).uncertainty = 0.0000000022e-8; + unit_data(268).units = "eV T^-1"; + + unit_data(269).name = "nuclear magneton in inverse meters per tesla"; + unit_data(269).value = 2.542623527e-2; + unit_data(269).uncertainty = 0.000000056e-2; + unit_data(269).units = "m^-1 T^-1"; + + unit_data(270).name = "proton Compton wavelength"; + unit_data(270).value = 1.32140985623e-15; + unit_data(270).uncertainty = 0.00000000094e-15; + unit_data(270).units = "m"; + + unit_data(271).name = "proton Compton wavelength over 2 pi"; + unit_data(271).value = 0.21030891047e-15; + unit_data(271).uncertainty = 0.00000000015e-15; + unit_data(271).units = "m"; + + unit_data(272).name = "proton charge to mass quotient"; + unit_data(272).value = 9.57883358e7; + unit_data(272).uncertainty = 0.00000021e7; + unit_data(272).units = "C kg^-1"; + + unit_data(273).name = "proton g factor"; + unit_data(273).value = 5.585694713; + unit_data(273).uncertainty = 0.000000046; + unit_data(273).units = ""; + + unit_data(274).name = "proton gyromag. ratio"; + unit_data(274).value = 2.675222005e8; + unit_data(274).uncertainty = 0.000000063e8; + unit_data(274).units = "s^-1 T^-1"; + + unit_data(275).name = "proton gyromag. ratio over 2 pi"; + unit_data(275).value = 42.5774806; + unit_data(275).uncertainty = 0.0000010; + unit_data(275).units = "MHz T^-1"; + + unit_data(276).name = "proton mag. mom."; + unit_data(276).value = 1.410606743e-26; + unit_data(276).uncertainty = 0.000000033e-26; + unit_data(276).units = "J T^-1"; + + unit_data(277).name = "proton mag. mom. to Bohr magneton ratio"; + unit_data(277).value = 1.521032210e-3; + unit_data(277).uncertainty = 0.000000012e-3; + unit_data(277).units = ""; + + unit_data(278).name = "proton mag. mom. to nuclear magneton ratio"; + unit_data(278).value = 2.792847356; + unit_data(278).uncertainty = 0.000000023; + unit_data(278).units = ""; + + unit_data(279).name = "proton mag. shielding correction"; + unit_data(279).value = 25.694e-6; + unit_data(279).uncertainty = 0.014e-6; + unit_data(279).units = ""; + + unit_data(280).name = "proton mass"; + unit_data(280).value = 1.672621777e-27; + unit_data(280).uncertainty = 0.000000074e-27; + unit_data(280).units = "kg"; + + unit_data(281).name = "proton mass energy equivalent"; + unit_data(281).value = 1.503277484e-10; + unit_data(281).uncertainty = 0.000000066e-10; + unit_data(281).units = "J"; + + unit_data(282).name = "proton mass energy equivalent in MeV"; + unit_data(282).value = 938.272046; + unit_data(282).uncertainty = 0.000021; + unit_data(282).units = "MeV"; + + unit_data(283).name = "proton mass in u"; + unit_data(283).value = 1.007276466812; + unit_data(283).uncertainty = 0.000000000090; + unit_data(283).units = "u"; + + unit_data(284).name = "proton molar mass"; + unit_data(284).value = 1.007276466812e-3; + unit_data(284).uncertainty = 0.000000000090e-3; + unit_data(284).units ... 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