| XES | x-ray energy spectrometry |
|---|---|
| API | alkaline protease inhibitor; Analytical Profile Index; arterial pressure index; atmospheric pressure... |
| FI | fasciculus intrafascicularis; fever caused by infection; fibrinogen; fixed interval; flame ionizatio... |
| FID | flame ionization detector; free induction decay; fungal immunodiffusion |
| IP | icterus praecox; imaging plate; immune precipitate; immunoblastic plasma; immunoperoxidase technique... |