Nóta "A variety of processes can result in quenching, such as excited state reactions, energy transfer, complex-formation and collisional quenching. As a consequence, quenching is often heavily dependent on pressure and temperature. Molecular oxygen, iodide ions and acrylamide are common chemical quenchers. The chloride ion is a well known quencher for quinine fluorescence. Quenching poses a problem for non-instant spectroscopic methods, such as laser-induced fluorescence. Note reference:Wikipedia > Quenching (fluorescence), http://en.wikipedia.org/wiki/Quenching_%28fluorescence%29 [28.3.2018]"
Sainmhíniú diminution du rendement ou de la durée de la fluorescence du composé due à une interaction de la molécule fluorescente avec le solvant ou avec un autre soluté, signifiant que le composé est moins fluorescent en présence d’une substance inhibitrice Tagairt "COM-FR d'après le site de la plate-forme d'imagerie et de biophysique cellulaire et tissulaire de Nancy > Notions Diverses > Facteurs influençant la fluorescence, http://www.ptibc-imaging.fr/notions-diverses/facteurs-influencant-la-fluorescence/ [30.10.2015]"
ENVIRONMENT|environmental policy|pollution control measures · INDUSTRY|chemistry|chemical industry
Sainmhíniú schnelle Beendigung einer Reaktion durch Abschreckung, Desaktivierung oder Einfrieren, z. B. die schnelle Abkühlung der Pyrolysegase bei der Ethinerzeugung (Pyrolyse) Tagairt "Lexikon der Chemie, s. v. ""Quenchen"", http://www.spektrum.de/lexikon/chemie/quenchen/7764 (15.7.2015)"
Sainmhíniú cooling of a hot exhaust gas before it enters a pollution scrubber Tagairt "COM-Terminology Coordination, based on:Wikipedia, Quenching (scrubber), https://en.wikipedia.org/wiki/Quenching_(scrubber) [28.10.2015]"
Nóta Hot gases (those above ambient temperature) are often cooled to near the saturation level. If not cooled, the hot gas stream can evaporate a large portion of the scrubbing liquor, adversely affecting collection efficiency and damaging scrubber internal parts. If the gases entering the scrubber are too hot, some liquid droplets may evaporate before they have a chance to contact pollutants in the exhaust stream, and others may evaporate after contact, causing captured particles to become reentrained. In some cases, quenching can actually save money. Cooling the gases reduces the temperature and, therefore, the volume of gases, permitting the use of less expensive construction materials and a smaller scrubber vessel and fan.
Sainmhíniú quenching carried out in a medium at a temperature between the solution heat treatment temperatur and room temperature and at which the metal is held for a prescribed time to induce precipitation Tagairt Multilingual Aeronautical Dictionary(AGARD,1980)
Sainmhíniú bath containing a fluid into which hot metal is placed for hardening Tagairt "COM-Terminology Coordination, based on: Croda International Plc. 'Quenching fluid additives' (13.5.2022)"
Nóta Common media for quenching include special-purpose polymers, forced air convection, freshwater, saltwater, and oil.
Sainmhíniú bain liquide dans lequel est plongé le métal chaud pour le refroidir rapidement en vue d'en changer la structure et par suite les propriétés mécaniques Tagairt "COM-FR d'après: Commission européenne - Document de référence sur les meilleures techniques disponibles Transformation des métaux ferreux (23.9.2022) (Décembre 2001)"