Desorption of Cu~(2+) was reduced for sand,silt and coarse silt fractions,and increased a little for clay size when they were previously treated by phosphate.
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释义
砂粒级、粗粉砂级和粉砂级吸附磷后Cu2+解吸率减小,而黏粒级Cu2+解吸率略增加。
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