one
type: Concept
definition: Synonym: unit
in scheme: unit-of-measure
notation: C62
conversion multiplier: 1.0
dimension vector: 1
rec20 quantity: (rest) mass of electron, (rest) mass of proton, (rest) mass of neutron
rec20 quantity: Alfven number
rec20 quantity: CIE colorimetric functions
rec20 quantity: Cowling number
rec20 quantity: Debye-Walle factor
rec20 quantity: Euler number
rec20 quantity: Fourier number
rec20 quantity: Fourier number for mass transfer
rec20 quantity: Froude number
rec20 quantity: Grashof number
rec20 quantity: Grashof number for mass transfer
rec20 quantity: Grüneisen parameter
rec20 quantity: Hartmann number
rec20 quantity: Knudsen number
rec20 quantity: Landau-Ginzburg number
rec20 quantity: Lewis number
rec20 quantity: Mach number
rec20 quantity: Madelung constant
rec20 quantity: Nusselt number
rec20 quantity: Nusselt number for mass transfer
rec20 quantity: Peclet number
rec20 quantity: Peclet number for mass transfer
rec20 quantity: Prandtl number
rec20 quantity: Rayleigh number
rec20 quantity: Reynolds number
rec20 quantity: Schmidt number
rec20 quantity: Stanton number
rec20 quantity: Stanton number for mass transfer
rec20 quantity: Strouhal number
rec20 quantity: Weber number
rec20 quantity: absolute activity
rec20 quantity: activity coefficient of B (in a liquid as a solid mixture)
rec20 quantity: activity coefficient of solute B (especially in a dilute solution),standard absolute activity of solute B (especially in a dilute solution)
rec20 quantity: activity of solvent A, relative activity of solvent A (especially in a dilute solution), osmotic coefficient of the solvent A (especially in a dilute solution), standard absolute activity of solvent A (especially in a dilute solution)
rec20 quantity: average logarithmic energy decrement
rec20 quantity: charge number of ion
rec20 quantity: coordinates trichromatic
rec20 quantity: coupling coefficient, leakage coefficient
rec20 quantity: degree of dissociation
rec20 quantity: dissipation factor, dissipance, reflection factor, reflectance, transmission factor, transmittance, absorption factor, absorbance
rec20 quantity: electric susceptibility
rec20 quantity: emissivity, spectral emissivity, emissivity at a specified wavelength, directional spectral emissivity
rec20 quantity: fast fission factor
rec20 quantity: fine structure constant
rec20 quantity: friction factor, coefficient of friction
rec20 quantity: g-factor of atom or electron, g-factor of nucleus
rec20 quantity: hyperfine structure quantum number
rec20 quantity: internal conversion factor
rec20 quantity: lethargy
rec20 quantity: linear strain, relative elongation, shear strain, volume or bulk strain
rec20 quantity: luminous efficiency, spectral luminous efficiency,luminous efficiency at a specified wavelength
rec20 quantity: magnetic Reynolds number
rec20 quantity: magnetic quantum number
rec20 quantity: magnetic susceptibility
rec20 quantity: microcanonical partition function, canonical partition function, grand-canonical partition function, grand partition function, molecular partition function, partition function of a molecule
rec20 quantity: mobility ratio
rec20 quantity: mole fraction of B, mole ratio of solute B
rec20 quantity: multiplication factor, infinite medium multiplication factor, effective multiplication factor
rec20 quantity: neutron number
rec20 quantity: neutron yield per fission, neutron yield per absorption
rec20 quantity: non leakage probability
rec20 quantity: nuclear spin quantum number
rec20 quantity: nucleon number, mass number
rec20 quantity: number of molecules or other elementary entities
rec20 quantity: number of turns in a winding, number of phases, number of pairs of poles
rec20 quantity: optical density
rec20 quantity: orbital angular momentum quantum number
rec20 quantity: order of reflexion
rec20 quantity: packing fraction, binding fraction
rec20 quantity: poisson ratio, poisson number
rec20 quantity: principle quantum number
rec20 quantity: proton number
rec20 quantity: proton number, atomic number