Together with dominance of ion exchange processes in sorption indicated by sequential extraction analysis, it suggests an absence of specific sorption at sites of this kind.
凝灰岩和凝灰质砂的阳离子交换容量差异显著，说明离子交换作用仅发生在粘土矿物的表面，凝灰岩中蒙脱石的层间没有发生阳离子交换。
In further study, sequential extraction and usage of radioisotopes should be combined with isotherm analysis, and the investigation of heavy metals adsorption by rhizosphere soil should be stressed.
在今后的土壤吸附研究中应该结合形态分析和放射性同位素示踪的方法，并加强对根际土壤这一新领域的研究。
In further study, sequential extraction and usage of radioisotopes should be combined with isotherm analysis, and the investigation of heavy metals adsorption by rhizosphere soil should be stressed.
在今后的土壤吸附研究中应该结合形态分析和放射性同位素示踪的方法，并加强对根际土壤这一新领域的研究。
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