| Acronym | Meaning |
| NSSTC | National Space Science And Technology Center |
| MESI | Membrane Extn. With A Sorbent Interface |
| MEPAS | Multimedia Environmental Pollution Assessment System |
| SHRS | Stimulated Hyper Raman Scattering |
| CIHT | Configuration-interaction Hylleraas-type (wave Function) |
| FIMS | Field Ionization Mass Spectrometry |
| SSSP | Solid-state Shear Pulverization |
| CMBR | Cosmic Microwave Background Radiation |
| FLMS | Femtosecond Laser Mass Spectrometry |
| SRPS | Synchrotron Radiation Photoelectron Spectroscopy |