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词汇 deuteron
释义

Definition of deuteron in English:

deuteron

noun ˈdjuːtərɒnˈd(j)udəˌrɑn
  • The nucleus of a deuterium atom, consisting of a proton and a neutron.

    氘核,重氢核

    Example sentencesExamples
    • If the laser frequencies are high enough, the deuteron effectively feels the proton's force in all directions, and the repulsion cancels itself.
    • The wave functions of both the deuteron and the alpha particle are invariant under the interchange of up and down quarks but recall that the pion wave function is not.
    • Tritium was discovered by physicists Ernest Rutherford, M.L. Oliphant, and Paul Harteck, in 1934, when they bombarded deuterium (a hydrogen isotope with mass number 2) with high-energy deuterons (nuclei of deuterium atoms).
    • In this energy range, there is no reason, in principle, to have a different scattering behavior for protons and deuterons.
    • In the second step, a deuteron combines with a proton to form the nucleus of helium - 3, which contains two protons and one neutron.

Origin

1930s: from Greek deuteros 'second', on the pattern of proton.

Definition of deuteron in US English:

deuteron

nounˈd(y)o͞odəˌränˈd(j)udəˌrɑn
  • The nucleus of a deuterium atom, consisting of a proton and a neutron.

    氘核,重氢核

    Example sentencesExamples
    • If the laser frequencies are high enough, the deuteron effectively feels the proton's force in all directions, and the repulsion cancels itself.
    • Tritium was discovered by physicists Ernest Rutherford, M.L. Oliphant, and Paul Harteck, in 1934, when they bombarded deuterium (a hydrogen isotope with mass number 2) with high-energy deuterons (nuclei of deuterium atoms).
    • The wave functions of both the deuteron and the alpha particle are invariant under the interchange of up and down quarks but recall that the pion wave function is not.
    • In this energy range, there is no reason, in principle, to have a different scattering behavior for protons and deuterons.
    • In the second step, a deuteron combines with a proton to form the nucleus of helium - 3, which contains two protons and one neutron.

Origin

1930s: from Greek deuteros ‘second’, on the pattern of proton.

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