| Acronym | Meaning |
| BS | Backscattering Spectroscopy |
| PF | Pulverized Fuel |
| FGDIS | Flue Gas Desulfurization Information System |
| GPD | Gallons Per Day |
| OPO | Optical Parametric Oscillator |
| BFGF | Basic Fibroblast Growth Factor |
| IECSC | Inventory Of Existing Chemical Substance In China |
| MIG | Metal Inert Gas (welding) |
| EMA | Effective Mass Approxn. (for Impurity Energy Levels) |
| MAXI | Monitor Of All-sky X-ray Image |