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单词 magneton
释义
magneton

Physics
  • A unit for measuring magnetic moments of nuclear, atomic, or molecular magnets. The Bohr magneton μ‎B has the value of the classical magnetic moment of an electron, given by

    μB=eh/4πme=9.274×10-24Am2,

    where e and me are the charge and mass of the electron and h is the Planck constant. The nuclear magneton μ‎N is obtained by replacing the mass of the electron by the mass of the proton and is therefore given by

    μN=μBme/mp=5.505×10-27Am2.


Chemistry
  • A unit for measuring magnetic moments of nuclear, atomic, or molecular magnets. The Bohr magneton μ‎B has the value of the classical magnetic moment of an electron, given by

    μB=eh/4πme=9.274×10-24Am2,

    where e and me are the charge and mass of the electron and h is the Planck constant. The nuclear magneton, μ‎N is obtained by replacing the mass of the electron by the mass of the proton and is therefore given by

    μN=μB.me/mp=5.05×10-27Am2.


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