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  2. Selective non-catalytic reduction - Wikipedia

    en.wikipedia.org/wiki/Selective_non-catalytic...

    Selective non-catalytic reduction (SNCR) is a method to lessen nitrogen oxide emissions in conventional power plants that burn biomass, waste and coal.The process involves injecting either ammonia or urea into the firebox of the boiler at a location where the flue gas is between 1,400 and 2,000 °F (760 and 1,090 °C) to react with the nitrogen oxides formed in the combustion process.

  3. Maser - Wikipedia

    en.wikipedia.org/wiki/Maser

    The first prototype ammonia maser in front of its inventor Charles H. Townes. The ammonia nozzle is at left in the box, the four brass rods at center are the quadrupole state selector, and the resonant cavity is at right. The 24 GHz microwaves exit through the vertical waveguide Townes is adjusting. At bottom are the vacuum pumps.

  4. Commandant of Indian Naval Academy - Wikipedia

    en.wikipedia.org/wiki/Commandant_of_Indian_Naval...

    The Naval Academy (NAVAC) was set up in Cochin in 1969 as a temporary institution, to train officers for the Navy. The first Officer-in-charge (OIC) was Commander Laxminarayan Ramdas. The title of the head of the institution changed to commandant in 1980. The academy moved to Goa in 1986 under Commandants Captain M.S. Bedi and Captain O.P ...

  5. Cells all over the body store 'memories': What does this mean ...

    www.aol.com/cells-over-body-store-memories...

    The “spacing effect” refers to a phenomenon whereby learning, or the creation of a memory, occurs more effectively when information, or exposure to a stimulus, is spaced out.

  6. From passwords to medical records,10 things to never say to ...

    www.aol.com/passwords-medical-records-10-things...

    The best way to protect yourself is to be careful about what info you offer up. Be careful: ChatGPT likes it when you get personal. 10 things not to say to AI

  7. What food is Miami known for? Try the city's top 10 most ...

    www.aol.com/food-miami-known-try-citys-150000900...

    Pair your taco with a mojito and salsa—of the dancing kind—at Mango's, or check out the other top taquerias in town. You'll find great taco trucks on Miami Beach and in Downtown Miami too. 2.

  8. Recirculating aquaculture system - Wikipedia

    en.wikipedia.org/wiki/Recirculating_aquaculture...

    Water is pumped through the filter, and ammonia is utilized by the bacteria for energy. In recirculating systems, daily water exchanges are commonly used to control nitrogen levels. Stable environmental conditions and regular maintenance are required to ensure the biofilter is operating efficiently.

  9. BMA process - Wikipedia

    en.wikipedia.org/wiki/BMA_process

    The reaction mixture contains around 23 Vol.-% HCN and 72 Vol.-% H 2 as well as minor quantities of ammonia, nitrogen, and unreacted methane. [ 2 ] The gaseous mixture is introduced in a scrubber and treated with an ammonia solution (producing ammonium cyanide ) allowing the other gaseous components: H 2 , CH 4 , and N 2 to pass through.