| RNAA | radiochemical neutron activation analysis |
|---|---|
| RPHAMFCA | reversed passive hemagglutination by miniature centrifugal fast analysis |
| RSA | rabbit serum albumin; regular spiking activity; relative specific activity; relative standard accura... |
| SAI | Self-Analysis Inventory; Sexual Arousability Inventory; Social Adequacy Index; suppressor of anchora... |
| SMA | sequential multiple analysis or analyzer; sequential multichannel autoanalyzer; simultaneous multich... |