| Acronym | Meaning |
| SRBSN | Sintered Reaction-bonded Silicon Nitride |
| HSAB | Hard And Soft Acids And Bases |
| PTSPGF | Perturbative-type Single-particle Green Function |
| I AND C | Instrumentation And Control |
| AXAF | Advanced X-ray Astrophysics Facility |
| MEBES | Micro-electron Beam Evaporation Source |
| HMBP | Hazardous Materials Business Plan |
| DBE | Distorted-wave Born Exchange |
| HCI | Human-Computer Interface |
| CPFD | Coupled-pair Functional With Double Excitation |