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In geology, degradation refers to the lowering of a fluvial surface, such as a stream bed or floodplain, through erosional processes. [1] [2] Degradation is the opposite of aggradation.
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A degradative enzyme is an enzyme (in a broader sense a protein) which degrades biological molecules. Some examples of degradative enzymes: Lipase, which digests lipids, [1] Carbohydrases, which digest carbohydrates (e.g., sugars), [2] Proteases, which digest proteins, [3] [4] Nucleases, which digest nucleic acids.
Things like vegetables may degrade within days, while glass and some plastics take many millennia to decompose. A standard for biodegradability used by the European Union is that greater than 90% of the original material must be converted into CO 2 , water and minerals by biological processes within 6 months.
Elegant degradation, gradual rather than sudden; Graceful degradation, in a fault-tolerant system; Degradation (knighthood), revocation of knighthood Cashiering, whereby a military officer is dismissed for misconduct
Hazing of a French military pilot in 1997 at 1,000 hours of flight time. Hazing (), initiation, [1] beasting [2] (British English), bastardisation (Australian English), ragging (South Asian English) or deposition refers to any activity expected of someone in joining or participating in a group that humiliates, degrades, abuses, or endangers them regardless of a person's willingness to participate.
Degraded concrete and rusted, exposed reinforcement bar (rebar) on Welland River bridge of the Queen Elizabeth Way in Niagara Falls, Ontario. Concrete degradation may have many different causes. Concrete is mostly damaged by the corrosion of reinforcement bars due to the carbonatation of hardened cement paste or chloride attack under wet ...
In surface erosion, the polymer degrades from the exterior surface. The inside of the material does not degrade until all the surrounding material around it has been degraded. [1] In bulk erosion, degradation occurs throughout the whole material equally. Both the surface and the inside of the material degrade. [1]