| Acronym | Meaning |
| PDVSA | Petroleos De Venezuela |
| TCJJP | Tech. Committee For Juice And Juice Products |
| HIS | High Intensity Spectrometer |
| RUP | Restricted Use Pesticide |
| LAS | Linear Alkylbenzene Sulfonates (anionic Surfactants) |
| ES | Electrospray [used Before MS For Mass Spectrometry] |
| ORSTB | Overlap-reduced Semiempirical Tight-binding |
| MS X(ALPHA) | Multiple-scattering X(alpha) Exchange Method |
| ADWIOS | Adiabatic Distorted Wave Infinite Order Sudden |
| MOVPE | Metallo-organic Vapor-phase Epitaxy |