| 淹水还原条件下土壤铁氧化物对镉活性制约机理的研究进展 |
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| 引用本文： | 李义纯,葛 滢. 淹水还原条件下土壤铁氧化物对镉活性制约机理的研究进展[J]. 土壤, 2009, 41(2): 160-164 |
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| 作者姓名： | 李义纯 葛 滢 |
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| 作者单位： | 南京农业大学资源与环境科学学院,南京,210095 |
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| 基金项目： | 中国科学院南京土壤研究所土壤与农业可持续发展国家重点实验室开放基金，江苏省普通高校研究生科研创新计划项目 |
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| 摘 要： | 土壤Cd污染一直是环境污染研究领域的热点.近年来,国内外许多专家学者对淹水土壤中Cd的消长及其制约机理进行了不懈的研究,得到的却是不同甚至完全相反的结论.本文首先概述了淹水土壤中铁氧化物还原溶解与沉淀的研究进展,之后在此基础上综述了近年来国内外有关淹水土壤中铁氧化物的化学行为对Cd活性的影响,详细论述了Cd活性降低和升高的可能机理,进而提出了急需解决的重要问题和未来的发展方向.
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| 关 键 词： | 淹水土壤 铁氧化物 镉 氧化还原 |
Influence of Iron Oxides on Activity of Cd in Soils Under Reductive Conditions: A Review |
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| LI Yi-chun,GE Ying. Influence of Iron Oxides on Activity of Cd in Soils Under Reductive Conditions: A Review[J]. Soils, 2009, 41(2): 160-164 |
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| Authors: | LI Yi-chun GE Ying |
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| Affiliation: | College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China |
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| Abstract: | Cadmium pollution in soil has been one of the focuses of environmental research. Despite many investigations were carried out in the variation of Cd activity in submerged soils, the conclusions remained ambiguous or conflicting. In this review, advances in research on the dissolution and precipitation of iron oxides in flooded soils were reviewed. Then the variation of Cd activity affected by the environmental behavior of iron oxides in submerged soils and the possible mechanisms were discussed in detail. Finally some important questions and directions for future in this field were also put forward. |
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| Keywords: | Submerged soils Iron oxides Cd Oxidation-reduction |
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