1) iron nodules
铁质结核
1.
Features and formation of iron nodules in vertisols in Yuanmou Basin;
元谋盆地变性土铁质结核的特征与形成过程
2.
In Yuanmou basin of Yunnan province, the contents of Fe2O3, MnO and CaO, MgO, in iron nodules and carbonate nodules developed from ustic vertosols, were higher than those in soils of i-dentical profiles.
在云南省元谋盆地干润变性土中,铁质结核、碳酸盐结核的Fe2O3、MnO和CaO、MgO分别大大高于相应剖面土壤中的含量。
2) ferricrust
['feri'krʌst]
铁质结壳;铁结核硬壳
3) Fe-Mn nodules
铁锰结核
1.
Adsorption and oxidation of arsenic(Ⅲ) by Fe-Mn nodules
铁锰结核对As(Ⅲ)的吸附和氧化特性研究
2.
Fe-Mn nodules collected from the East Pacific Ocean were used for decolorization of a cationic dye methylene blue(MB) in a batch system.
利用锰氧化物具有高的吸附与氧化还原化学活性的特点,研究了采自东太平洋的铁锰结核对阳离子染料次甲基蓝氧化性脱色特征。
3.
Soil of Fe-Mn nodules background in Litang karst was analyzed.
对黎塘岩溶区铁锰结核背景下的土壤进行了分析。
4) Fe-Mn nodule
铁锰结核
1.
Redox characteristics between several Fe-Mn nodules in soils and Cr(Ⅲ)(Ⅰ)——Effect of type of Mn oxide mineral and adsorbed ion;
几种土壤铁锰结核对Cr(Ⅲ)的氧化特性(Ⅰ)——氧化锰矿物类型与吸附态离子的影响
2.
Migration and conversion of Cr (Ⅵ) in Fe-Mn nodule
六价铬在铁锰结核中的迁移转化研究
3.
In this paper, the weight distribution, the colours and the element geochemistry characteristics of Fe-Mn nodules are studied.
研究江淮地区白浆土铁锰结核的重量分布、颜色及其地球化学特征。
5) ferromanganese nodules
铁锰结核
1.
Ferromanganese crusts, ferromanganese nodules and stratabound layers and lenses ferromanganese deposits are the main types of the ocean floor ferromanganese deposits.
海底铁锰矿床主要有铁锰结壳、铁锰结核和层状、透镜状铁锰矿床,其成矿作用主要是水成成矿作用,成岩成矿作用和热液成矿作用。
6) Fe Mn nodule
铁锰结核
1.
The results showed that the amount of heavy metals(Pb,Cd,Co,Cu,Ni,Zn)adsorbed by Mn oxide m inerals in Fe Mn nodules in soils from China accounted for 60~100 percentage o f the total amount of the heavy metals absorbed by the Fe Mn nodules.
土壤与水体中的锰氧化物对某些重金属离子有强烈的富集作用 ,本研究表明我国几种土壤铁锰结核中锰氧化物的重金属离子 (Pb、Cu、Zn、Co、Ni和Cd)吸附量占结核吸附这些离子总量的 60 %~ 1 0 0 %。
2.
Chemical selective dissolution and X ray diffraction methods were used to investigate the types of manganese minerals in Fe Mn nodules of soils.
用化学选择溶提、X射线衍射 (XRD)等技术 ,对土壤铁锰结核中锰矿物类型的鉴定进行了探讨。
补充资料:铁质岩
铁质岩 ferruginous rock 一种富铁矿物的沉积岩。主要由赤铁矿、针铁矿、菱铁矿、磁铁矿、铁质绿泥石、黄铁矿等铁矿物和粘土、硅质、砂质等杂质组成。多呈黑色或灰色,具鲕状、豆状、肾状和结核状结构。按矿物成分可分为硫化铁质岩(主要矿物为黄铁矿、白铁矿等)、碳酸铁质岩(主要矿物为菱铁矿等)、氧化铁质岩(主要矿物为赤铁矿、褐铁矿等)和硅酸铁质岩(主要矿物为鲕绿泥石等)。铁含量达工业品位,且具一定储量规模,则构成铁矿床。中国铁质岩矿床形成于各个地质时期,如前寒武纪的鞍山式铁矿,古生代的宁乡式铁矿、山西式铁矿,中生代的淮南式铁矿等。 |
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条