| Acronym | Meaning |
 | AMPD | AMP Deaminase |
| PPIC | Pollution Prevention Information Clearinghouse |
| PPD | Purified Protein Derivative |
| HY-CI | Hylleraas-configuration Interaction |
| LAO | London Atomic Orbital |
| EMIC | Electromagnetic Ion Cyclotron (waves) |
| YSZ | Yttria-stabilized Zirconia |
| NRMA | Nonresonant Microwave Absorption |
| SAQM | SARMAP Air Quality Model |
| MRS | Micro-Raman Spectroscopy |
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