| Acronym | Meaning |
| MCFC | Molten Carbonate Fuel Cells |
| EPCE-F2(SIGM | Effective Pair Correlation Energy Method With The Factor-two (f2) Approximation For Sigma-electron Systems |
| HSDP | Hawaiian Scientific Drilling Project |
| SA-LCAO | Symmetry-adapted Linear Combination Of Atomic Orbitals |
| NAS | National Academy Of Science |
| RNAA | Radiochemical Neutron Activation Analysis |
| MSMO | Multiple Scattering Molecular Orbital Method (also Known As X(alpha) Scattered-wave) |
| SPLP | Synthetic Pptn. Leaching Procedure |
| MSIP | Magnetron Sputtering Ion Plating |
| SMT | Standards |