略語大辞典 [Phys] 21 R2PI resonant two-photon ionization 共鳴二光子イオン化. resonant two-photon ionization; by light; e.g. R2PI-TOFMS(time-of-flight mass spectroscopy); ref. RIDIRS(resonant ion-dip infra-red spectroscopy); [Phys:Chem:Opt:L]. 丸善「略語大辞典」JLogosID : 11857323