| Acronym | Meaning |
| JI | Joint Implementation [with Regard To Greenhouse Gas Emission Redn.] |
| LHDC | Lube Hydrocracking Distillate Catalyst |
| TCA | Total Constituent Analysis |
| AMS | Accelerator Mass Spectrometry |
| DTUL | Deflection Temperature Under Load |
| XRMA | X-ray Microanalysis |
| LOI | Limiting Oxygen Index [of Fire Retardant] |
| TIME | Transferred Ionized Molten Energy Process (for Metal Arc Welding) |
| CASSCF | Complete Active Space-self Consistent Field |
| THC | Total Hydrocarbon |