226 triton mass in u 3,01550071632000000E+00

1 2 3

227 alpha particle-proton mass ratio 3,9725996890700000E+00

228 alpha particle mass in u 4,0015061791270000E+00 u

229 proton g factor 5,5856947020000000E+00

230 triton g factor 5,95792492000000000E+00

231 nuclear magneton in MHz/T 7,6225932850000000E+00 MHz T^-1

232 molar gas constant 8,31445980000000000E+00 J mol^-1 K^-1

233 proton-muon mass ratio 8,8802433800000000E+00

234 neutron-muon mass ratio 8,8924840800000000E+00

235 standard acceleration of gravity * 9,8066500000000000E+00 m s^-2

236 Rydberg constant times hc in eV 1,3605693009000000E+01 eV

237 tau-muon mass ratio 1,68167000000000000E+01

238 Hartree energy in eV (atomic unit of electr.potent.(V), hartree-electron volt relationship) 2,7211386020000000E+01 eV

239 neutron gyromag. ratio over 2 p 2,9164693300000000E+01 MHz T^-1

240 shielded helion gyromag. ratio over 2 pi 3,2434099660000000E+01 MHz T^-1

241 shielded proton gyromag. ratio over 2 pi 4,2576385070000000E+01 MHz T^-1

242 proton gyromag. ratio over 2 pi 4,2577478920000000E+01 MHz T^-1

243 Bohr magneton in inverse meters per tesla 4,6686448140000000E+01 m^-1 T^-1

244 Boltzmann constant in inverse meters per kelvin (kelvin-inverse meter relationship) 6,9503457000000000E+01 m^-1 K^-1

245 muon mass energy equivalent in MeV 1,0565837450000000E+02 MeV

246 inverse fine-structure constant 1,3703599913900000E+02

247 Planck constant over 2 pi times c in MeV fm 1,9732697880000000E+02 MeV fm

248 electron-muon mag. mom. ratio 2,0676698800000000E+02

249 muon-electron mass ratio 2,0676828260000000E+02

250 characteristic impedance of vacuum * 3,7673031346100000E+02 ohm

251 electron to shielded helion mag. mom. ratio 8,6405825700000000E+02

252 atomic mass constant energy equivalent in MeV 9,3149409540000000E+02 MeV

253 proton mass energy equivalent in MeV 9,3827208130000000E+02 MeV

254 neutron mass energy equivalent in MeV 9,3956541330000000E+02 MeV

255 electron-neutron mag. mom. ratio 9,6092050000000000E+02

256 tau mass energy equivalent in MeV 1,77682000000000000E+03 MeV

257 proton-electron mass ratio 1,8361526738900000E+03

258 neutron-electron mass ratio 1,8386836615800000E+03

259 deuteron mass energy equivalent in MeV 1,8756129280000000E+03 MeV

260 helion mass energy equivalent in MeV 2,8083915860000000E+03 MeV

261 triton mass energy equivalent in MeV 2,80892111200000000E+03 MeV

262 tau-electron mass ratio 3,47715000000000000E+03

263 deuteron-electron mass ratio 3,6704829678500000E+03

264 alpha particle mass energy equivalent in MeV 3,7273793780000000E+03 MeV

265 helion-electron mass ratio 5,49588527922000000E+03

266 triton-electron mass ratio 5,49692153588000000E+03

267 alpha particle-electron mass ratio 7,2942995413600000E+03

268 electron volt-kelvin relationship 1,1604522100000000E+04 K

269 inverse of conductance quantum 1,2906403727800000E+04 ohm

270 von Klitzing constant 2,5812807455500000E+04 Ohm

271 electron gyromag. ratio over 2 pi 2,8024951640000000E+04 MHz T^-1