| 释义 |
ion-cyclotron-resonance mass spectrometer ion-cyclotron-resonance mass spectrometer[′ī‚än ′sī·klə‚trän ′rez·ən·əns ′mas spek′träm·əd·ər] (spectroscopy) A device for detecting and measuring the mass distribution of ions orbiting in an applied magnetic field, either by applying a constant radio-frequency signal and varying the magnetic field to bring ion frequencies equal to the applied radio frequency sequentially into resonance, or by rapidly varying the radio frequency and applying Fourier transform techniques. |