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单词
chemical oxygen demand
释义
chemical oxygen demand
Encyclopedia
理学
环境分析
释
chemical oxygen demand；COD
化学需氧量
水样在一定条件下，以氧化1升水样中还原性物质所消耗的氧化剂的量为指标，折算成每升水样全部被氧化后，需要的氧的毫克数。以毫克/升表示。化学需氧量反映了水中受还原性物质污染的程度，也是有机物相对含量的综合指标之一。
Chemistry
＞分析化学＞化学分析＞释义
chemical oxygen demand (COD)
化学需氧量
Biology
chemical oxygen demand
COD
化学耗氧量；化学需氧量
随便看
foodborne diseases surveillance
foodborne gastroenteritis caused by Salmonella
foodborne infection
foodborne intoxication
food-borne pathogenic bacteria
food-borne poisoning microorganisms
food-borne transmission
food-borne viral illness
food-borne virus
food-borne virus from aquatic product
food category system
food chain
food chain of aquatic ecosystem
food chain transfer
food chain transfer of marine pollutants
food chemistry
food coating agent
food code
food color
food colorant
food compositions of fish
food composition tables， FCTs
food consumption factor
food container
food contamination
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