There are multiple definitions:
false-positive fraction(English)
- FNF, FP, TNF, TPF
- Statistics
fine powder fraction(English)
- one of many factors that determines drug delivery via dry powder inhaler
- API, CFD, DEM, DF, DPI, FPFED, FPFLD
- Pharmacology / pharmaceutics, Ratio-based metric, Materials science
- https://doi.org…arm.2023.122871