铁锰氧化物
- 网络iron and manganese oxides
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铁锰氧化物在污染土壤修复中的作用
The Environmental Mineralogical Significance of iron and manganese oxides in remediation of contaminated soil
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铁锰氧化物界面反应研究及其环境矿物学意义
Study on Interface Reactions of Iron and Manganese Oxides and Their Implication in Environmental Mineralogy
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Cr和Mn主要与硫化物和铁锰氧化物结合;
Chromium and manganese are mainly in sulfide and iron-manganese oxides .
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Fe主要与硫化物和铁锰氧化物结合。
Iron mainly occurs in sulfide and iron-manganese oxides .
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V主要与铝硅酸盐和铁锰氧化物结合;
Vanadium mainly combines with aluminosilicate and iron-manganese oxides .
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Fe主要以铁锰氧化物和残留物存在(>90%);
Fe remained mainly in Fe-Mn oxides and the residual ( > 90 % );
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Pb主要分布在可交换态、残渣态中和铁锰氧化物结合态中。
Pb was dominated by exchangeable fraction , residual fraction and iron-manganese oxide .
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铁锰氧化物对酚类化合物的降解程度受缓冲溶液pH值的影响;
The pH value of buffer solution affects the degree of degradation of phenolic compounds by iron and manganese oxides .
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施入猪厩肥降低了土壤中有效态Cd、铁锰氧化物结合态Cd的含量提高了土壤中有效态Zn、碳酸盐态Zn含量;
Organic manure spreading decreased Cd content of available and iron-manganese oxide form ; increased Zn content of the available and carbonate forms ;
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除残渣态外,Pb、Zn在土壤、炼锌废渣中主要呈铁锰氧化物结合态,沉积物中则为碳酸盐结合态。
Except for residue fractions , Fe and Mn oxide bound fractions for Pb , Zn overwhelm in soils and in slags , while carbonate bound fractions dominate in river sediments .
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表层土壤Pb主要以残渣态和铁锰氧化物结合态存在,有机结合态和酸可提取态较少;
Concretely speaking , the Pb in the urban topsoil of Lianyungang mainly consists of residuals and Fe-Mn oxide fractions , plus a small amount of organic fraction and acid-extractable fraction .
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化学形态研究表明,Pb和Zn在土壤中主要表现为铁锰氧化物结合态与残渣态,而Cd的情况与Pb和Zn完全相反,其形态以可交换态为主。
Sequential extraction results give the deep impression of occupied chemical forms of Pb and Zn being Fe Mn oxide bound and residue forms , while Cd dominating as the exchangeable form .
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铁锰氧化物结合态和残渣态使Cu无效化,在EDTA与味精废水作用下,它们可能向可利用性较高的形态转化。
The Fe / Mn oxide bound Cu and residual Cu were poorly available , they could slightly transformed to other forms induced by EDTA and monosodium glutamate waster water .
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土壤Pb、Zn形态分析结果显示,与非根际土壤相比,多数作物根际可交换态、碳酸盐结合态、有机质结合态Pb比例降低,而铁锰氧化物结合态、残渣态Pb则显著增加;
Comparing with control soil , exchangeable , bound to carbonate compounds and bound to organic matter Pb decreased slightly , but bound to Fe-Mn oxides and residual Pb increased significantly in rhizospheric soil .
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Cd的组成十分特殊,其可交换态和铁锰氧化物结合态的含量非常高,而残渣态含量很低:尽管土壤中重金属可交换态含量较低,但对土壤生态环境有严重的风险。
While the Cd was special for its high exchangeable and Fe-Mn oxide and low residual ; though the rate of exchangeable species of heavy metals were low in soil , the ecological risk were high .
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结果表明,Cu各形态的植物可利用性的顺序为水溶交换态、有机结合态>碳酸盐结合态>铁锰氧化物结合态>残渣态;
The results showed that the sequence of availability of Cu forms to plant is soluble plus exchangeable Cu and organic matter bound Cu > Cu bound to carbonate > Fe / Mn oxide bound Cu > residual Cu .
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随着粉煤灰加入率的增加,Zn、Cu、Mn、Pb的交换态、有机结合态含量下降,而铁锰氧化物结合态和残渣态含量增加。
With the increasing of coal fly ash amendment , the exchangeable , organic matter content of these four kinds of metals decreased , but the iron , manganese oxides and primary , secondary minerals content increased .
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外源重金属进入土壤后,Cd主要以可交换态为主,而Pb主要以铁锰氧化物结合态为主,各形态质量分数随外源重金属浓度的增加而增加,残渣态百分含量逐渐降低。
After external heavy metal entered soil , exchangeable Cd and Fe-Mn oxide-bound Pb became the majority . Each form concentration increased with the concentration of external heavy metal added , but residual fraction is the lowest with a decreasing trend . 2 .
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添加赤泥后土壤中交换态Cd含量减少;碳酸盐结合态Cd含量、铁锰氧化物结合态Cd含量和残渣态Cd含量增加;有机结合态Cd含量变化不大。
With the application of red mud , the contents of exchangeable Cadmium in soil has decreased , while the contents of carbonate-bound and Fe-Mn oxide-bound and residual Cadmium in the soil increased , the contents of organic matter-bound Cadmium in soil did not change significantly .
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北碚区城市土壤表层重金属Pb的不同形态的含量为残渣态碳酸盐结合态铁锰氧化物结合态可交换态有机结合态。
The contact of genesis in different soil layers is disrupted and even not existing . ( 4 ) The sequence of different forms of Pb in urban soil surface of Beibei was bount to residual carbonate fraction Fe-Mn oxide bound exchangeable fraction bound to organic matter .
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湖泊沉积物中重金属的溶出反应与AVS氧化密切相关,而河流沉积物中重金属的溶出反应则还与铁锰氧化物及有机质的变化有关。
In the lake sediment , the heavy metals release is related closely to AVS oxidation ; while in the river sediments , this process is also related to the change of Fe and Mn oxides and organic matters in addition to AVS oxidation .
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不同成因的海洋铁锰氧化物沉积物中稀土元素的地球化学特征
Geochemistry of rare earth elements for different genetic marine ferromanganese deposits
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新生态铁锰氧化物混凝除磷效果研究
Study on Phosphorus Removal by Freshly Formed Fe / Mn Oxide Coagulation
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天然铁锰氧化物及氢氧化物环境矿物学研究
New advances in environmental mineralogy of natural oxides and hydroxides of iron and manganese
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根表铁锰氧化物胶膜对不同品种水稻吸镉的影响
Effect of Fe , Mn coating formed on roots on Cd uptake by rice varieties
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植物根表铁锰氧化物胶膜的环境生态作用
The Role of iron and manganese plaques on wetland plant roots in environment and ecology
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因其所具有的特殊的物理或化学结构,植物根表的铁锰氧化物胶膜在环境生态中起重要作用。
As Fe-plaque have special physical or chemical feature , it has great effect on ecological environment .
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用海绿石、自生黄铁矿、铁锰氧化物等揭示氧化-还原环境;
Glauconite , authigenic pyrite , iron-manganese oxide and so on can be used to reveal redox environment ;
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此外,有机质和铁锰氧化物对稀土的迁移、富集也发挥着重要作用。
Moreover , Fe-Mn oxides and organics also play an important role in migration and enrichment of REE .
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大豆根系通过将Cu2+转化为铁锰氧化物结合态和有机质结合态而减少吸收。
Through transformed the Cu into iron / manganese oxide and organic matter bound in rhizosphere , soybean decreased the Cu absorption .