| Acronym | Meaning |
| VMO | Virtual Molecular Orbital |
| USP | United States Pharmacopeia |
| IX | Ion Exchange |
| IAEA | International Atomic Energy Agency |
| BLAISE | British Library Automated Information Service |
| ADCL | Accredited Dosimetry Calibration Laboratory |
| RDH | Rapid Displacement Heating (pulping - For Paper) |
| APU | Acid Purification Unit (acid Recovery System) |
| EAA | Environmental Assessment Association |
| DDTA | Derivative Differential Thermal Analysis |