略語大辞典 [Phys] 18 RIDIRS resonant ion-dip infra-red spectroscopy 共鳴イオン ディップ赤外分光法.resonant ion-dip infra-red spectroscopy; the IR(infra-red) spectra are taken in a dual beam arrangement in which the ultra-violet laser is passed twice through the ion source region of the TOF(time-of-flight) mass spectrometer; ref. R2 丸善「略語大辞典」JLogosID : 11857796