"single turnover fast repetition rate (FRR) fluorometry"@en . . "SDN:S04::S041090" . "An active fluorescence technique using the fast repetition rate method with a single turnover flash protocol that uses a sequence of short flashes (e.g. <200 microseconds flashlets) to reach maximum fluorescence; each flashlet only allows one single reduction of the primary electron acceptors of PSII, Qa."@en . .