| Acronym | Meaning |
![](file.png) | SONEX | Subsonic Assessment Ozone And Nitrogen Oxide Experiment |
![](file.png) | SONN | Self-organizing Neural Network |
![](file.png) | SOP | Second-order Potential (method For Positron-atom Scattering) |
![](file.png) | SOP | Split-operator Propagator |
![](file.png) | SOP | Standard Operating Procedure |
![](file.png) | SOP/EA | Split-operator Propagator (for) Electronically Adiabatic (phenomena) |
![](file.png) | SOP/ED | Split-operator Propagator (for) Electronically Diabatic (phenomena) |
![](file.png) | SOPHF | Spin And Orbital Polarized Hartree-Fock |
![](file.png) | SOPHIA | System For Organic Reaction Prediction By Heuristic Approach |
![](file.png) | SOPITA | South Pacific Isotopic And Thermal Anomaly |
![](file.png) | SOPPA | Second-order Polarization Propagator Approxn. |
![](file.png) | SOR | Surface Overflow Rate |
![](file.png) | SORC | Strong Off-resonant Comb |
![](file.png) | SORCE | Solar Radiation And Climate Experiment |
![](file.png) | SORG | Stratospheric Ozone Review Group |
![](file.png) | SORI | Sustained Off-resonance Irradn. |
![](file.png) | SORI-CID | Sustained Off-resonance Irradn. Collision-induced Dissocn. |
![](file.png) | SORP | Southern Oxidants Research Program |
![](file.png) | SOS | Southern Oxidant Study |
![](file.png) | SOS | Surfaces Of Section Method (semiclassical Calcn. Of Eigenvalues) |
![](file.png) | SOTE | Standard Oxygen Transfer Efficiency (of Aeration Diffusers) |
![](file.png) | SOUR | Specific Oxygen Uptake Rate |
![](file.png) | SOW | Statement Of Work |
![](file.png) | SP | Surface Potential |
![](file.png) | SP-RPAE | Spin Polarized-random Phase Approxn. (with) Exchange |
![](file.png) | SPA | Scintillation-proximity Assay |
![](file.png) | SPA | Self-consistent Phonon Approximation |
![](file.png) | SPA | Separated Pair Approxn. (wave Function) |
![](file.png) | SPA | Shielded-potential Approxn. (in Electronic Structure) |
![](file.png) | SPACE | Spatial And Chemical Shift-encoded Excitation |
![](file.png) | SPAD | Single Photon Avalanche Diode |
![](file.png) | SPADA | Simulation Program For Air Dust Concentration Analysis |
![](file.png) | SPADE | Stratospheric Photochemistry |
![](file.png) | SPAES | Spin Polarized Auger Electron Spectroscopy |
![](file.png) | SPAG | Small Particle Aerosol Generator |
![](file.png) | SPALEED | Spot Profile Analysis Low Energy Electron Diffraction |
![](file.png) | SPARC | Scholarly Publishing & Academic Resources Coalition |
![](file.png) | SPARC | Stratospheric Processes And Their Role In Climate |
![](file.png) | SPARC | Secreted Protein Acidic And Rich In Cysteine |
![](file.png) | SPARHEED | Spot Profile Analysis Reflection High-energy Electron Diffraction |
![](file.png) | SPARPES | Spin Polarized Angle-resolved Photoelectron Spectroscopy |
![](file.png) | SPARS | Spatially Resolved Spectroscopy |
![](file.png) | SPASE | South Pole Air Shower Expt. |
![](file.png) | SPB | Strong-potential Born (approxn. For At. Collision Calcns.) |
![](file.png) | SPC | Solid Phase Crystallization |
![](file.png) | SPC | Statistical Process Control |
![](file.png) | SPCC | Spill Prevention Control And Countermeasures |
![](file.png) | SPCC | System Performance Check Compound |
![](file.png) | SPCE | Screen-printed Carbon Electrode |
![](file.png) | SPCE | Surface Plasmon-coupled Emission |