释义 |
nuclear spin
nuclear spin[′nü·klē·ər ′spin] (nuclear physics) The total angular momentum of an atomic nucleus, resulting from the coupled spin and orbital angular momenta of its constituent nuclei. Also known as nuclear angular momentum. Symbolized I. nuclear spin
nuclear spin An MRI term referring to an intrinsic property of nuclei with an odd numbers of protons and/or neutrons to exhibit angular momentum and a magnetic moment; even-numbered nuclei do not produce NMR signals. |