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reduction
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reduction

In chemistry, the gain of electrons, loss of oxygen, or gain of hydrogen by an atom, ion, or molecule during a chemical reaction.

Reduction may be brought about by reaction with another compound, which is simultaneously oxidized (reducing agent), or electrically at the cathode (negative electrode) of an electric cell. Examples include the reduction of iron(III) oxide to iron by carbon monoxide:

Fe2O3 + 3CO → 2Fe +3CO2

the hydrogenation of ethene to ethane:

CH2CH2 + H2 → CH3CH3

and the reduction of a sodium ion to sodium:

Na+ + e− → Na

Photosynthesis - the series of chemical reactions inside chloroplasts - is essentially a mechanism for reducing carbon dioxide to carbohydrate.
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? Mentioned in ? References in periodicals archive
 
Information on elective joint arthroplasty procedures is also missing, although the procedures to treat a displaced femoral neck fracture with hemiarthoplasty and to perform a closed reduction of a total hip dislocation are both included.
General Orthopaedics (Orthopaedic Pocket Procedures Series) by Chevan, Julia / Physical Therapy
Nevertheless, studies of therapeutic results following closed reduction of nasal fractures are rare.
Technique and timing for closed reduction of isolated nasal ... by Schipper, Jorg / Ear, Nose and Throat Journal
The remainder (n= 17) underwent closed reduction, with the majority (n= 16) in the less severe fracture group.
Comparison of passive stiffness variables and range of motion in ... by Vandervoort, Anthony A. / Physical Therapy
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