The experiment showed that the absorption intensity was much greater than the release intensity in higher phosphorus concentration of upper water of surficialsediment.
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。
2
The heavy metal contents in 29 surficialsediment samples from the continental shelf of the northern South China Sea were significantly lower than those in the samples from the polluted coastal areas.