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游离态铁
相关语句
  free iron
     G_1 and H_2 tend to increase with the degree of calcium saturation, and G_2 and H_1 with the free iron and aluminum oxides.
     G_1和H_2随着钙饱和度的增加而增加; G_2和H_1则随着游离态铁、铝氧化物的增加而增加。
短句来源
     The contents of total potassium in fly ashes were approximately the same as in soils, but the contents of free iron oxide in fly ashes were 3- to 4-fold lower than those in soils.
     粉煤灰的全钾含量和土壤大致相同,但其游离态铁比土壤低3~4倍。
短句来源
  free iron oxide
     The contents of total potassium in fly ashes were approximately the same as in soils, but the contents of free iron oxide in fly ashes were 3- to 4-fold lower than those in soils.
     粉煤灰的全钾含量和土壤大致相同,但其游离态铁比土壤低3~4倍。
短句来源
  “游离态铁”译为未确定词的双语例句
     The effects of electrophoresis conditions such as voltage,buffer solution pH,and complex concentration on iron species are discussed. Satisfactory separation conditions for iron speciation have been acquired.
     考察了电压、缓冲液的pH值和络合剂浓度等对游离态铁形态分离的影响,获得了满意的分离条件。
短句来源
  相似匹配句对
     Determination of Free Fe ̄(2+) and Fe ̄(3+) in Foods
     食物中离态二价离态三价的测定
短句来源
     the contents of free and amorphous iron oxides and the cation exchange capacity decreased gradually.
     离态和无定形氧化含量逐渐减少;
短句来源
     Float·Swim
     浮·
短句来源
     The contents of total potassium in fly ashes were approximately the same as in soils, but the contents of free iron oxide in fly ashes were 3- to 4-fold lower than those in soils.
     粉煤灰的全钾含量和土壤大致相同,但其离态比土壤低3~4倍。
短句来源
     Travel in Kuwait
     在科威特
短句来源
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  free iron
The free iron-chelating agent o-phenanthroline (OP) facilitated degradation of DNICglu (by electron paramagnetic resonance (EPR) spectra) and considerably or completely inhibited gene expression in the quasi-adaptive response.
      
The gleyed horizons are rich in free iron compounds (up to 3.2% (Fe2O3)d) that exert a weak effect on the redness.
      
There are several potential sources of increased oxidative stress in Parkinson's disease, including mitochondrial dysfunction, increased free iron levels and impaired free radical defence mechanisms.
      
A model based on resonant spin-rotation coupling is used to reproduce the magnetization of free iron clusters experimentally observed by Stern-Gerlach deflections.
      
The available experimental evidence supports the conclusion that dexrazoxane reduces doxorubicin cardiotoxicity by binding free iron and preventing site-specific oxidative stress on cardiac tissue.
      
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  free iron oxide
The greater adsorption capacity of combusted oil shale for arsenate was attributed to greater surface area and free iron oxide.
      
Furthermore free iron oxide coatings become important as a result of weathering, with the maximum concentrations being present in the highly weathered material.
      
The main source of iron is free iron oxide, and the aluminum sources are free aluminum oxide, exchangeable cations and clay minerals (hydrated aluminum silicates).
      
The estimation of free iron oxide by Deb's method in the red soils derived from basement complex containing mostly acid gneiss of Tanga region, Tanzania, was carried out.
      
The results of the investigation revealed that the free iron oxide varied between 2 and 8 per cent and exhibited a highly significant correlation with the clay content of the soils.
      
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Research was conducted to explore the significance of iron oxides forms in soil classification, especially in the differentiation between the Red earth and Yellow earth. The results indicated that distinct difference existed between the forms of iron oxide mineral of the Red earth and those of the Yellow earth. The values of Fe ( d ) /Fe ( t ) , ( Fe ( d ) -Fe ( o ) ) /Fe ( o ) , and Hm%/ ( Hm% + Gt% ) , of the Yellow earth were lower than those of the Red earth, meanwhile, the values of Fe ( o )/Fe ( d ) ,...

Research was conducted to explore the significance of iron oxides forms in soil classification, especially in the differentiation between the Red earth and Yellow earth. The results indicated that distinct difference existed between the forms of iron oxide mineral of the Red earth and those of the Yellow earth. The values of Fe ( d ) /Fe ( t ) , ( Fe ( d ) -Fe ( o ) ) /Fe ( o ) , and Hm%/ ( Hm% + Gt% ) , of the Yellow earth were lower than those of the Red earth, meanwhile, the values of Fe ( o )/Fe ( d ) , Fe(p)/Fe(d), and the hydration coefficient of Fe oxide of the Yellow earth were higher than those of the Red earth. The'corresponding values of the Yellow-Redfearth, a subgroup of Red earth, was just in the transitional range from the Red earth to the Yellow earth. The Yellow earth contained little or on hematite, which was distinctlly different from the Red earth that contained relatively abundant hematite. Goethite existed universally in soils studied contained lepidocrocite. It has been suggested tha some criteria might be feasiblly used to differentiate the Red earth from the Yellow earth by the values of Fe ( d )/Fe ( t ) , Fe ( o )/Fe ( d ) , Hm%/ ( Hm%+Gt% ) , etc. The ratio of hematite to the crystalline Fe oxides, expressed as Hm%/ ( Hm% +Gt% ) may perhaps be used to indicate the degree of laterization and to differentiate the Red earth from the Yellow earth.

研究结果表明,红壤和黄壤之间铁矿物形态有明显的差异,黄壤的铁游离度、晶胶比以及赤铁矿系数均小于红壤;而铁活化度、络合态铁占游离态铁的百分比及氧化铁的水合系数都是黄壤高于红壤。黄壤以不含或仅含极少量的赤铁矿而区别于红壤。针铁矿普遍存在于所研究的各土壤中;部分土样还含少量纤铁矿。测定数据的统计分析表明,铁游离度、铁活化度以及赤铁矿系数等可以用来划分红壤、黄红壤和黄壤亚类。

It is found that there is a regular and gradually-changing tendency in contents of different organo-mineral complex types in zonal soils from north to south China.With the increase of annual average temperature and rainfall, the content of sodium-dispersed fraction (G_1) of organo-mineral complexes gradually decreases and that of sodium-groumd-dispersed fraction (G_2) gradually increases, the proportion of loosely combined humus (H_1)gradually increases and that of stably combined humus (H_2)gradually decreases,...

It is found that there is a regular and gradually-changing tendency in contents of different organo-mineral complex types in zonal soils from north to south China.With the increase of annual average temperature and rainfall, the content of sodium-dispersed fraction (G_1) of organo-mineral complexes gradually decreases and that of sodium-groumd-dispersed fraction (G_2) gradually increases, the proportion of loosely combined humus (H_1)gradually increases and that of stably combined humus (H_2)gradually decreases, the G_1/G_2 retio increases and the H_1/H_2, ratio decreases by degrees.The regular variation of surfaee properties, humus composition and nutrient accumulation in both G_1 and G_2 organo-mineral complexes is also observed in zonal soils. The content of each group of complexes is related to the inorganic bonding materials in soil. G_1 and H_2 tend to increase with the degree of calcium saturation, and G_2 and H_1 with the free iron and aluminum oxides. It is suggested, therefore, that the composition and properties of organo-mineral complexes in soil could be considered as a reference index of soil genesis and classification.

我国土壤中的有机矿质复合体,在水热条件控制的地带性土壤中,呈现有规律的渐变趋势。从北往南,随着年均温度和年降雨量的增加。钠分散组复合体G_1渐减,钠质研磨分散组复合体G_2渐增;松结态腐殖质H_1渐增,稳结态腐殖质H_2渐减。G_1/G_2及H_1/H_2之比值也分别呈渐减和渐增趋势。地带性土壤中复合体的表面性质、腐殖质组成及养分在各组复合体中的分布也呈现有规律的变化。各组复合体含量与土壤中存在的无机胶结物质有关。G_1和H_2随着钙饱和度的增加而增加;G_2和H_1则随着游离态铁、铝氧化物的增加而增加。笔者认为,有机矿质复合体组成及其性质可以作为土壤发生分类的一项依据。

This paper deale with the chemical

本文研究水热条件渐变的地带性土壤中G_1、G_2组胶散复合体有机、无机物的化学组成及其结合特点。结果表明:G_2组中铁有积累现象,游离态铁、铝氧化物含量为G_2>G_1,但均随土壤类型变化。松结态腐殖质(H_1)为G_1>G_2,紧结态腐殖质(H_3)则为Gi<G:。可提取腐殖质中,松、稳结态腐殖质之比值H_1/H_2和胡敏酸、富里酸之比值HA/FA,除个别上壤之外,都相差不大。G_1、G_@两组复合体中都含有一定数量的络合态铁、铝和钙。初步认为G_2中腐殖质总量及胡敏素量均高于G_1,但不能区分为钙键复合体和铁铝键复合体。

 
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