SCR has various meanings in the Scientific & Educational category. Discover the full forms, definitions, and usage contexts of SCR in Scientific & Educational.
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.
Scientific & EducationalIs a four-layer solid-state current-controlling device. The principle of four-layer p–n–p–n switching was developed by Moll, Tanenbaum, Goldey and Holonyak of Bell Laboratories in 1956.
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