1) Abbreviation: selective catalytic reduction
2) Combustion gas turbines: SCR system, SCR technology, selective catalytic reagent (for abatement of NOx in power station emissions)
3) Electrical engineering: semiconductor-controlled rectifier, silicon-controlled rectifier, three-terminal thyristor, trinistor, triode thyristor
Универсальный русско-английский словарь. Академик.ру. 2011.