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Upcycling A term coined to describe the creation of a product with higher intrinsic value, manufactured from a material at the end of its service life, which had a lower initial end use value.
Upcycling As opposed to downcycling, upcycling converts waste materials and unused products into new materials and products that are of higher quality. Upper Detection Limit The largest concentration that an instrument can reliably detect.
See also: Storage, Pollution, Population, Combustion, Contamination
 
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