| Acronym | Meaning |
| BTB | Bromothymol Blue |
| ADGIXA | Angular-dependent Glancing-incidence X-ray Analysis |
| LDC | Less Developed Countries |
| RTDF | Remediation Technologies Development Forum |
| CRF | Chronic Renal Failure |
| PNH | Paroxysmal Nocturnal Hemoglobinuria |
| NEDO | The New Energy Development Organization (Japan) |
| GQDPT | Generalized Quasidegenerate Perturbation Theory |
| OECD | Organization For Economic Cooperation And Development |
| PSPR | Perfectly Stirred Pulsed Reactor |