quenching

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quenching

[′kwench·iŋ]
(atomic physics)
Phenomenon in which a very strong electric field, such as a crystal field, causes the orbit of an electron in an atom to precess rapidly so that the average magnetic moment associated with its orbital angular momentum is reduced to zero.
(electronics)
The process of terminating a discharge in a gas-filled radiation-counter tube by inhibiting reignition.
Reduction of the intensity of resonance radiation resulting from deexcitation of atoms, which would otherwise have emitted this radiation, in collisions with electrons or other atoms in a gas.
(engineering)
Shock cooling by immersing liquid or molten material into a cooling medium (liquid or gas); used in metallurgy, plastics forming, and petroleum refining.
(immunology)
An adaptation of immunofluorescence that uses two fluorochromes, one of which absorbs light emitted by the other; one fluorochrome labels that antigen, another the antibody, and the antigen-antibody complexes retain both; the initially emitted light is absorbed and so quenched by the second compound.
(mechanical engineering)
Rapid removal of excess heat from the combustion chamber of an automotive engine.
(solid-state physics)
Reduction in the intensity of sensitized luminescence radiation when energy migrating through a crystal by resonant transfer is dissipated in crystal defects or impurities rather than being reemitted as radiation.
References in periodicals archive ?
About quench With a mission to be the most innovative, passionate food and beverage brand-building boutique, quench delivers the knowledge, capabilities and results of the biggest full-service agencies through a nimble, collaborative and consumer-focused approach that only a boutique firm can offer.
FEM Simulation of quenching process in A357 aluminum alloy cylindrical bars and reduction of quench residual stress through cold stretching process, Computational Materials Science 69: 396-413.
Quenches aren't an accident, failure or defect--they are part of the life of a, superconducting magnet and the latter must be designed to withstand them," says Felix Rodriguez-Mateos, the quench detection responsible engineer in the Magnet Division.
Mr McCarthy, 58, of Moreton, Wirral, agreed to sell his Threshers franchise back to First Quench last year for just under pounds 31,000.
Mr McCarthy bought the Threshers franchise in 2007, but says he soon became frustrated with First Quench about issues including the quality of its till system.
1 device, the entry-level Motorola Quench XT3 comes with a disappointing Android version 1.
Administrators of Threshers' owner First Quench has announced the loss of more than 2,000 jobs following another raft of store closures.
First Quench, which was backed by private equity firm Vision Capital, went into administration in October and an initial 373 stores were closed shortly afterwards, with the loss of over 1,829 jobs.
The future of the former First Quench store trading under the Wine Rack brand in Stokesley remains unclear after Venus Wine & Spirit Merchants bought 13 of the best-performing outlets - all in London and the South-east.
The depot was the hub from which all the drinks sold by First Quench Retailing--which owned the Threshers, The Local and Wine Rack fascias--were delivered.
ADMINISTRATORS for failed drinks retailer First Quench reported "overwhelming" interest from potential buyers of its stores.
INTEREST in the failed Threshers and Wine Rack group has been "overwhelming", as potential buyers line up ahead of yesterday's deadline for bids, said administrators for parent firm First Quench.