sludge compost 污泥堆肥
paper mill sludge compost 造纸污泥堆肥
urban sewage sludge compost 城市污泥堆肥
municipal sewage sludge compost 城市污泥堆肥
compost of sludge 污泥堆肥
Other scientists have looked at materials like leaf compost or manure, while Professor Brown favors composts high in iron content, like the sludge from wastewater treatment.
其他科学家们寄希望于树叶堆肥或粪肥一类的物质，而布朗教授更偏爱铁含量较高的堆肥，例如来自废水处理过程中的污泥。
The sludge compost treatment experiment shows that there are changes in the morphology of heavy metals and decrease in their activity.
污泥堆肥处理试验表明，污泥里重金属的形态有一定的变化，活跃程度有所下降。
The paper concerned on the influence on red soil when paper mill sludge compost (PMSC) was used in a pot maize experiment.
通过玉米盆栽试验，研究了添加富含铝盐的造纸污泥堆肥对酸性赤红壤理化性质的影响。
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