“degradation”的概念、定义、翻译、参考文献-科学参考

　

单词	degradation
释义	degradation Chemistry A type of organic chemical reaction in which a compound is converted into a simpler compound. An example is the Barbier-Wieland degradation. Chemical Engineering 1. The reduction of complex molecules into smaller, simpler molecules through natural processes (biogradation) or synthetic processes. 2. An organic chemical reaction in which a compound is converted into a simpler compound. For example, the action of certain enzymes can bring about the degradation of proteins to amino acids. Geography The lowering and flattening of a surface through erosion. Land degradation is the long-term loss of ecosystem function and productivity caused by disturbances from which the land cannot recover unaided (Bai et al. (2008) FAO/ISRIC–Rome/Wageningen). Lal (1990) Advances Soil Sci. 11, 129 estimates that globally, 2000 million hectares of once biologically productive land had been degraded or destroyed. See Kriage (2013) PPG 37, 5, 664.
随便看	North Atlantic deep water North Atlantic Drift North Atlantic Oscillation North Atlantic Treaty Organization North-east Passage norther northern blotting Northern Coalsack Northern Cross Northern Expedition (1926–28) NOrthern Extended Millimeter Array Northern Ireland Northern Lights northern lights Northern Rising (November–December 1569) Northern War (1700–21) Northern Wei (386–535) North, Frederick, Lord (1732–92) North Galactic Spur Northgrippian North Korea North Pacific Current North Pacific current north polar distance North Polar Sequence

　

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