discoloration n. 变色；污点

小鹿

【今日英语】

discoloration

n. 变色；污点

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• Discoloration effect 退色效应

  alkali discoloration 因碱脱色

  discoloration by mould 霉变 ; 霉菌变色

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• The discoloration of natural-tocopherol by adsorption was studied. Two processes were employed: stirred tank process and fixed bed process.

  本文研究了α-生育酚粗品的吸附脱色工艺，包括两种操作方式：搅拌槽和固定床。