The experiment showed that the absorption intensity was much greater than the release intensity in higher phosphorus concentration of upper water of surficial sediment.
可以看出当上覆水磷酸盐浓度较高时，吸附作用的强度远大于释放作用。
The heavy metal contents in 29 surficial sediment samples from the continental shelf of the northern South China Sea were significantly lower than those in the samples from the polluted coastal areas.
南海北部陆架区29个调查站的表层沉积物样品中，重金属含量较低，明显低于沿岸污染海域。
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