SCR NASA Abbreviation

SCR has various meanings in the NASA category. Discover the full forms, definitions, and usage contexts of SCR in NASA.

Selective Catalytic Reduction

This after–treatment technology reduces NOx emissions by using a urea–based additive, sometimes referred to as DEF. The ammonia in the urea mixes with engine exhaust gases in the SCR catalyst, converting NOx to nitrogen and water vapor.

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Software Change Request
NASA
SOMO Change Request
NASA
Strip Chart Recorder
NASA
Schedule Confirmation Request
NASA

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