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Nitrous oxide (dinitrogen oxide or dinitrogen monoxide), commonly known as laughing gas, nitrous, or factitious air, among others, [4] is a chemical compound, an oxide of nitrogen with the formula N
Scrubber systems (e.g. chemical scrubbers, gas scrubbers) are a diverse group of air pollution control devices that can be used to remove some particulates and/or gases from industrial exhaust streams.
Nitenpyram ( (E)-N-(6-Chloro-3-pyridylmethyl)- N-ethyl-N'-methyl-2-nitrovinylidenediamine) is an open-chain chloropyridyl neonicotinoid. Nitenpyram consists of a chloronicotinyl heterocyclic group common to all first generation neonicotinoids and a pharmacophore, the reactive group of the molecule.
Though sudden and violent purges are notable, most purges do not involve immediate execution or imprisonment, for example the periodic massive purges of the Communist Party of Czechoslovakia on grounds of apathy or dereliction, or the purge of Jews and political dissenters from the German Civil Service in 1933–1934.
Jobber is a professional wrestling term used to describe a wrestler who is routinely defeated by main eventers, mid-carders, or low-carders. Most promoters do not use the term because of the negative connotation. Jobbers have been used since the 1950s, and they were popular in promotions of the United States and Canada around this time.
The Higgs boson, sometimes called the Higgs particle, [9] [10] is an elementary particle in the Standard Model of particle physics produced by the quantum excitation of the Higgs field, [11] [12] one of the fields in particle physics theory. [12]