| Acronym | Meaning |
| ASAXS | Anomalous Small-angle X-ray Scattering |
| VGO | Vacuum Gas Oil |
| TIC | Total Ion Current |
| PTMT | Poly (tetramethylene Terephthalate) |
| CP | Chemically Pure |
| DEM | Discrete Element Method |
| AWM | Average Wave Function Method (in Calcns. On Scattering) |
| IBICVD | Ion Beam Induced Chemical Vapor Deposition |
| GPT | Generalized Pseudopotential Theory |
| ADPIC | Atmospheric Dispersion Particle-in-Cell |