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单词 humic substance
释义
humic substance
(extremely rare)
n

WORD FAMILY
humic substance
n an organic residue of decaying organic matter
Hypo|Hyper
fulvic acid
a yellow to yellow-brown humic substance that is soluble in water under all pH conditions
humic acid
a dark brown humic substance that is soluble in water only at pH values greater than 2
humin
a black humic substance that is not soluble in water
organic compound
any compound of carbon and another element or a radical
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更新时间:2025/2/24 11:27:07