humic acid meaning in English

【化学】腐植酸，黑腐酸。

Humic acids are usually regarded as polymers of aromatic compounds .
腐殖酸通常被看作是芳烃化合物的聚合物。
Preparation of the humic acid water purfier
新型腐植酸类净水剂的研制
Determination of yield of humic acids in coal
煤中腐植酸产率测定方法
Test method of humic acid ammonium fertilizers
腐植酸铵肥料分析方法
Technical condition for compound fertilizer of humic acids from coal
煤系腐植酸复混肥料技术条件

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