土壤中出现有结晶和非结晶形式的铁和铝的氢氧化物。
Iron and aluminum hydroxides are present in soils in both crystalline and amorphous forms.
添加剂中包含碱金属硝酸盐和铝的氢氧化物，且碱金属硝酸盐与铝的氢氧化物质量百分比为1∶0.5 ~ 3。
The additive comprises alkali metal nitrates and hydroxides of aluminum in the mass percent of 1:0.5-3.
添加剂中包含碱金属硝酸盐和铝的氢氧化物，且碱金属硝酸盐与铝的氢氧化物质量百分比为1∶0.5 ~ 3。
The additive comprises alkali metal nitrates and hydroxides of aluminum in the mass percent of 1:0.5-3.
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