| Acronym | Meaning |
| SMA | Specific Methanogenic Activity |
| AB | Arc Brazing |
| LRS | Laser Raman Spectroscopy |
| DWA | Distorted Wave Approximation |
| CESE | Complex Eigenvalue Shroedinger Equation |
| ESI | Ease-of-separation Index |
| MRSI | Magnetic Resonance Spectroscopic Imaging |
| ARM | Atmospheric Radiation Measurement |
| EFOCS | Evanescent Fiber Optic Chemical Sensors |
| NASC | North American Shale Composite |