| Acronym | Meaning |
| CFB | Circulating Fluidized Bed |
| HDTBPB | Hexadecyltributylphosphonium Bromide |
| API | Atmosheric Pressure Ionization |
| GWP | Global Warming Potential(s) |
| PWM | Pokeweed Mitogen |
| CHEC | Commonwealth Human Ecology Council |
| DCTS | Discharging Current Transient Spectroscopy |
| SDW | Spin Density Wave |
| SAW | Submerged Arc Welding |
| IHSS | International Humic Substances Society |