Flux
From Online Dictionary of Crystallography
تدفق (Ar). Flux (Fr). Fluss (Ge). Flusso (It). 流速 (Ja). Flujo (Sp).
Flux represents the integrated intensity of an X-ray beam and is defined as the number of X-ray photons emitted per unit time. The unit for flux is photons per second (p.p.s.).