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What (who) is degradation$19662$ - definition

CHEMICAL REACTION

Ruff–Fenton degradation; Ruff-Fenton degradation

Dégradation nationale

FRENCH PUNISHMENT FOLLOWING WORLD WAR 2

Degradation nationale

The dégradation nationale ("National demotion") was a sentence introduced in France after the Liberation of France. It was applied during the épuration légale ("legal purge") which followed the fall of the Vichy regime.

https://en.wikipedia.org/wiki/Dégradation_nationale

Degraded

WIKIMEDIA DISAMBIGUATION PAGE

Degredation; Degrade; Degradation (disambiguation); Degrading; Degraded

·Impf & ·p.p. of Degrade.

II. Degraded ·adj Reduced in rank, character, or reputation; debased; sunken; low; base.

III. Degraded ·adj Having the typical characters or organs in a partially developed condition, or lacking certain parts.

IV. Degraded ·adj Having steps;

- said of a cross each of whose extremities finishes in steps growing larger as they leave the center;

- termed also on degrees.

degrading

WIKIMEDIA DISAMBIGUATION PAGE

Degredation; Degrade; Degradation (disambiguation); Degrading; Degraded

¦ adjective causing a loss of self-respect; humiliating.

Wikipedia

Wohl degradation

The Wohl degradation in carbohydrate chemistry is a chain contraction method for aldoses. The classic example is the conversion of glucose to arabinose as shown below. The reaction is named after the German chemist Alfred Wohl (1863–1939).

In one modification, d-glucose is converted to the glucose oxime by reaction with hydroxylamine and sodium methoxide. In the second step the pentaacetyl glycononitrile is formed by reaction with acetic anhydride in acetic acid with sodium acetate. In this reaction step the oxime is converted into the nitrile with simultaneous conversion of all the alcohol groups to acetate groups.

In the final step sodium methoxide in methanol is added, leading to removal of all the acetate groups and ejection of the nitrile group and collapse of the second carbon from a tetrahedral structure to an aldehyde.

https://en.wikipedia.org/wiki/Wohl degradation