deactivation


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deactivation

[dē‚ak·tə′vā·shən]
(chemistry)
Rendering inactive, as of a catalyst.
Loss of radioactivity.
(metallurgy)
Chemical removal of the active constituents of a corrosive liquid.
(mining engineering)
Treatment of one or more species of mineral particles to reduce floating during froth flotation.

deactivation

The reduction or removal of the corrosive qualities of water, usually by passing the water through a deactivator while hot.
References in periodicals archive ?
One area of technology receiving attention is cylinder deactivation as a means of reducing the effective cylinder displacement for light load operation.
For this specific type of adolescent, Apsche (2005) operationalized Beck's Theory of Modes, into an applied methodology known as Mode Deactivation Therapy (MDT).
To enable cylinder deactivation to take place at a wider range of engine loads and speeds they developed a new dual mass flywheel which also minimized noise, vibration and harshness levels.
Deactivation of refugee status happens when someone registered as a refugee is removed from UNHCR's active registration lists.
Moylan has promised, however, that the activation of the new traffic signal and deactivation of the old one will be done in a "careful and thoughtful sequence.''
Features like front passenger airbag deactivation - for installing a rear-facing child seat - helped achieve the child occupant score.
Deactivation and regeneration of zeolite catalysts.
On the issue of the deactivation of the biometric chips, she added: "As the report acknowledges this is one of a number of checks which Border Force officers conduct to verify identity.
Auto Business News-October 22, 2012--Volkswagen to equip Polo with ACT cylinder deactivation system(C)1994-2012 ENPublishing - http://www.enpublishing.co.uk
Patent Office has approved a patent application assigned to the Gas Technology Institute, Des Plaines, Ill., for the "electrochemical capacitive concentration and deactivation of actinide nuclear materials."
The procedure for a Section to request and implement voluntary deactivation of the Section shall be in accordance with policies set forth by Council.
Some clinicians or ethicists argue against deactivation of a LVAD; the two most common arguments are presented.