| Acronym | Meaning |
![](file.png) | SEMPA | Scanning Electron Microscopy With Polarization Analysis |
![](file.png) | SEMPI | Singly Excited Modified Perturbation Theory |
![](file.png) | SEN | Submerged Entry Nozzle |
![](file.png) | SENB | Single Edge Notched Beam |
![](file.png) | SEND | Surfaces Enhanced For Neat Desorption |
![](file.png) | SENSOR | Sentinel Event Notification Systems For Occupational Risks |
![](file.png) | SEP | Solar Energetic Particle (event) |
![](file.png) | SEP | Standard Error Of Prediction |
![](file.png) | SEP | Stimulated Emission Pumping |
![](file.png) | SEPA | State Environmental Policy Act |
![](file.png) | SEPAR | Surfaces Enhanced For Photolabile Attachment And Release |
![](file.png) | SEPP | State Environmental Protection Plan |
![](file.png) | SEPT | Secular Equation (with) Perturbation Theory |
![](file.png) | SERA | Sequential Electrochemical Reduction Analysis |
![](file.png) | SERC | State Emergency Response Commission |
![](file.png) | SERDP | Strategic Environmental Research And Development Program |
![](file.png) | SERDS | Shifted Excitation Raman Difference Spectroscopy |
![](file.png) | SEREX | Serological Identification Of Antigens By Recombinant Expre |
![](file.png) | SERHF | Symmetry-equivalenced Restricted Hartree-Fock |
![](file.png) | SERI | Solar Energy Research Institute |
![](file.png) | SERM | Selective Estrogen Receptor Modulator |
![](file.png) | SERODS | Surface-Enhanced Raman Optical Data Storage |
![](file.png) | SERON | Southern Regional Oxidant Network |
![](file.png) | SERRS | Surface-Enhanced Resonance Raman Spectroscopy |
![](file.png) | SERS | Surface Enhanced Raman Spectroscopy |
![](file.png) | SERT | Serotonin Transporter |
![](file.png) | SES | Surface Electronic State |
![](file.png) | SESAM | Semiconductor Saturable Absorber Mirror |
![](file.png) | SESAME | Second European Stratospheric Arctic And Midlatitude Experiment |
![](file.png) | SESAME | Simulation Of Electron Transport Supporting Analysis Of Materials |
![](file.png) | SESAO | Semiempirical Scaled Atomic Orbital |
![](file.png) | SESCA | Scanning Electron Spectroscopy For Chemical Applications |
![](file.png) | SESF | Superlattice Extrinsic Stacking Fault |
![](file.png) | SESFOD | Selective Excitation With Single Frequency Off Resonance Decoupling |
![](file.png) | SESMO | Semiempirical Scaled Molecular Orbital |
![](file.png) | SESR | Solvent Extraction And Soil Remediation |
![](file.png) | SET | Single Electron Transfer |
![](file.png) | SET | Single Electron Transistor |
![](file.png) | SET | Single Electron Tunneling |
![](file.png) | SETAC | Society Of Environmental Toxicology And Chemistry |
![](file.png) | SETB | Semiempirical Tight Binding |
![](file.png) | SETM | Statistical Electron Transfer Model (for Electron-exchange Collisions) |
![](file.png) | SETOC | International Sediment Exchange For Tests On Organic Contaminants |
![](file.png) | SETS | Superfund Enforcement Tracking System |
![](file.png) | SEU | Selective Excitation Unit |
![](file.png) | SEU | Single Event Upset (in Spacecraft Power Systems) |
![](file.png) | SEVB | Semiempirical Valence Bond |
![](file.png) | SEW | Site Electron-density Wave |
![](file.png) | SEXAFS | Surface-extended X-ray Absorption Fine Structure |
![](file.png) | SF CC | Space-fixed Close-coupled (equation |