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锰铁
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  ferromanganese
     Experimental study on desiliconization of blast furnace ferromanganese by BaCO_3-BaF_2-MnO_2 Flux
     BaCO_3-BaF_2-MnO_2渣系对高炉锰铁脱硅的实验研究
短句来源
     A Study on the Nitriding of Low-Carbon Ferromanganese FeMn 84 C0.4
     低碳锰铁FeMn84C0.4氮化的实验研究
短句来源
     The ingredients of agent Y developed by cross-experience are NaF(15%)-TiO2(17%)-Cr2O3(13%)-CaF2 + Fe2O3 + ferromanganese(55%).
     通过正交试验配制的活性剂Y的成分为NaF(15%)-TiO_2(17%)-Cr_2O_3(13%)-CaF_2+Fe_2O_3+锰铁等(55%)。
短句来源
     Experimental study on dephosphorization of ferromanganese melt by BaCO_3-based flux
     BaCO_3基熔剂对锰铁熔体脱磷的实验研究
短句来源
     Experimental Study on Dephosphorization of Ferromanganese Melt by BaCO_3-based Flux
     BaCO_3基熔剂对锰铁熔体脱磷的实验研究
短句来源
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  manganese iron
     Measurement on Content of P in High,Medium and Low Carbon Manganese Iron by ICP-AES Method
     ICP-AES法测定高、中、低碳锰铁中磷
短句来源
     Effects of Applying Zinc Fertilizer and Plastic Film Protection on Absorption of Zinc, Manganese, Iron and Copper in Apple Trees
     施锌肥、覆膜对盆栽苹果树锌锰铁铜吸收的影响
短句来源
     Operation without scalings could be ensured when gas washing water form manganese iron blast fornaces was treated by WT-303B water quality stabilizer. Concebtration of the stabilizer could be controlled about 5 mg/L.
     用WT -3 0 3B水质稳定剂处理锰铁高炉煤气洗涤水 ,可确保系统无垢运行 ,药剂浓度可控制在 5mg/L左右。
短句来源
     Ltd. , an analysis was made on the quantity relationship of coke indexes under normal temperature, M 40 and M 10 , with utilization rate of manganese iron furnace and coke ratio, using mathematical statistics method. It is considered that the effect of the index M 10 on the utilization rate and coke ratio is more outstanding than that of M 40 . Therefore, M 10 is the key factor affecting furnace productivity and consumption.
     根据新钢生产实践,运用数理统计方法分析了焦炭常温指标M40和M10对锰铁高炉利用系数和入炉焦比的数量关系,认为焦炭M10对锰铁高炉利用系数、入炉焦比的显著性和敏感度均好于焦炭M40,是影响高炉产量和消耗的主要因素。
短句来源
     In addition, adopting neural network theory, predicting and analogy pressure-resistance strength without side limit of lime manganese iron waste stabilized soil, we lay a foundation for further study of the problem.
     此外,利用人工神经网络原理,对石灰锰铁废渣稳定土的无侧限抗压强度进行模拟和预测,为该问题的深入研究奠定了基础。
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  “锰铁”译为未确定词的双语例句
     Abstract Experiments for dephosphorization of FeMn melt were carried out using BaCO3BaCl2-MnO2 flux at 1623K.
     在1623K下,应用BaCO3-BaCl2-MnO2熔剂对高炉锰铁进行脱磷实验。
短句来源
     Experimental Study on Oxidizing Dephosphorization of Ferro-Manganese Melt by BaCO3-BaCl2 Flux
     BaCO_3-BaCl_2熔剂对锰铁熔体氧化脱磷的实验研究
短句来源
     Experiments on desiliconisation of Fe-Mn alloy are performed with Fe_2O_3-MnO_2 flux at 1673K: The influence of some factors, such as the ratio of Fe_2O_3 to MnO_2,the addition of CaO to the flux etc.
     在1673K下,应用Fe_2O_3-MnO_2熔剂对高炉锰铁熔体进行了预脱硅的实验研究。
短句来源
     Theoretical calculation shows that the FeMn with 〔C〕≤0.1% can be produced by mixing the molten slag of Mn ore and limestone with FeMn with 〔Si〕≥28%.
     理论计算表明 ,将锰矿、石灰熔化成渣 ,倒入摇包或其它装置 ,再兑入Si≥28 %的高硅锰硅合金 ,可以生产出C≤0 1 %的锰铁
短句来源
     In this paper,the experiments for dephosphorization of Fe-Mn melt using a variety of BaCO3-BaCl2 flux at 1623K are reported.
     在1623K下使用各种组成的BaCO3-BaCl2熔剂对高碳锰铁熔体进行了脱磷实验。
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  ferromanganese
The REE signature distinctions of micronodules and macronodules can be attributed to variations of hydrogenic iron oxyhydroxides and diagenetic (hydrothermal) iron hydroxophosphates that are the major REE carriers in ferromanganese ore deposits.
      
We found and studied the phosphate and ferromanganese mineralization in the Holocene alluvium at upper reaches of the Severnaya Dvina River.
      
Geochemistry of Rare Earth Elements in Ferromanganese Micro- and Macronodules from the Pacific Nonproductive Zone
      
Ferromanganese micro- and macronodules in eupelagic clays at Site 35 of the South Basin were examined in order to check the REE distribution during the ferromanganese ore formation in nonproductive zones of the Pacific Ocean.
      
The study of buried ferromanganese micronodules revealed general regularities in the compositional evolution of oxyhydroxide matrices of ferromanganese micro- and macronodules.
      
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  manganese iron
In the second step phosphate bound to reducible forms of iron and manganese ('iron-bound P') is extracted by a bicarbonate buffered dithionite solution (BD-reagent).
      


Under the conditions of basic open hearth smelting at Anshan steel works which employ scrap-ore-liquid iron charge, a statistical analysis of the production data shows that within the limit investigated the manganese content of the molten bath has no appreciable influence upon the oxygen and sulphur content of the steel. Provided that the final chemical analysis of the steel was the same, no difference in mechanical properties was observed between the products derived from the higher (>0.2% Mn) and the lower(<0.1%...

Under the conditions of basic open hearth smelting at Anshan steel works which employ scrap-ore-liquid iron charge, a statistical analysis of the production data shows that within the limit investigated the manganese content of the molten bath has no appreciable influence upon the oxygen and sulphur content of the steel. Provided that the final chemical analysis of the steel was the same, no difference in mechanical properties was observed between the products derived from the higher (>0.2% Mn) and the lower(<0.1% Mn) manganese specifications during smelting. It is concluded that for the two steels (rail steel and a low-carbon steel for seamless tube) investigated at least, there is no necessity for adhering to the specification of manganese content above a certain level(>0.15-0.2% Mn) during smelting.On the contrary, with a view to maintaining a higher manganese-containing bath, it was usually found necessary to add iron-manganese or manganese ore at the end of melting down; in doing so, the rate of carbon-removal was to a certain extent retarded, thus lengthening the period of smelting and decreasing the rate of production.The use of low manganese-containing pig-iron for the smelting of certain qualitysteels is not only feasible but also advisable from the economic point of view, provided, of course, that the sulphur content of such pig-iron can be made low to meet the necessary requirement. A review of the iron production data in certain blast furnaces at Anshan shows that this is possible, although the best conditions for producing low manganese and low sulphur pig-iron in blast furnaces deserve further a more detailed investigation.

本文结合生产研究了鞍钢碱性平爐冶炼重轨和无缝等碳素镇静钢的锰制度.研究结果指出:就上述鋼种而言,熔炼过程中的锰制度对钢中氧、硫含量以及轧制的成品質量並没有实际影响,换句话说,并没有必要规定熔池含锰量高於一定水平(>0.15—0.2%Mn).相反地,熔池含锰较高或在熔炼过程中加入锰铁均使降碳速度趋於缓慢,从而延长了熔炼时间.因此,只要高炉铁水中含硫量能够合乎规定,用低锰生铁作原料对炼钢並无害处.通过高爐生产数据分析,说明在鞍钢的操作条件下完全有可能生产含锰低而含硫合乎上述规定的铁水,应该认为用低锰生鉄冶炼重轨和无缝类型的优質鋼是切实可行的.

Ferrifayalite is a Fe~(3+)-rich silicate mineral. It occurs in the Anshan type-like magnetite deposit of Liaoning Province. Ferrifayalites distribute unevenly and aggregate commonly as bands, with a percentage usually lower than that of magnetites, occasionally reaching to 10%. Crystals of ferrifayalite mainly xenomorphic granular, 0.25—0.7mm. to individually 1mm in diameter. Color blackish, luster submetallic with blackish brown streak. Cleavages of (100) distinct, (010) indistinct. Non magnetic but mediumly...

Ferrifayalite is a Fe~(3+)-rich silicate mineral. It occurs in the Anshan type-like magnetite deposit of Liaoning Province. Ferrifayalites distribute unevenly and aggregate commonly as bands, with a percentage usually lower than that of magnetites, occasionally reaching to 10%. Crystals of ferrifayalite mainly xenomorphic granular, 0.25—0.7mm. to individually 1mm in diameter. Color blackish, luster submetallic with blackish brown streak. Cleavages of (100) distinct, (010) indistinct. Non magnetic but mediumly electro magnetic. Hardness 5.5—6.5 S. G. 3.967.Opaque. Under reflected polarizing microscope, grey in color, anisotropic and with distinct bireflexicon (reflection-pleochroism). Indices of refraction were calculated from reflectivities : ∥ cleavage, N_(546)=2.03±0.04, N_(589)=2.01±0.04;⊥cleavage, N_(546)=2.04±0.04, N_(589)=2.03±0.04. Biref. △_(546)=0.01; △_(589)=0.02.Chemical composition of ferrifayalite rather simple and stable Pe_2O_3 content high, occasionally reaching to 45.1%. Th crystallochemical formula is Fe~(2+)Fe~(3+)(SiO_4)_2.Monoclinic in system. Space group C_(2h)~5-P2_1/b.a=4.808, b=10.171, c=5.824, α=90°.X-ray powder strong lines: 3.488(10), 2.774(9), 2.521(10), 2.405(7), 2.246(7), 1.745(8) etc., some with scattering phenomena.In the curve of D. T. A., there is one heatemitting peak at 700℃.In the infrared absorption spectrograph there are SiO_4 deformation vibration at 840—1120 frequency region.In single crystal structure analysis uses were made with equi-inclination weissenberg multiple film method according to olivine orientation. We had collected seven sets of diffraction photographs of 0kl-2kl, hk0-kh2, hOl, totally 246 independent diffraction spots. The photographs show V_h-D_(2h)-mmm laue symmetry, and on account of the crystal possessing neither gliding plane n nor symmetrical plane m of the spacegroup of olivine D_(2h)~(16)-Pbnm, it is thus determined the sole space group to be C_(2h)~5-P2_1/b. The parameters of the coordinates of every kind atom are determined after crystallochemistry principle and Patterson projection pattern. R_(oxt)=0.23, R_(hko)=0.21.The crystal structure analysis shows that ferrifayalite is an independent mineral with ordered vacant lattice position olivine type structure. It shares some features in common with that of olivine structure type, including a similar orientation of the tetrahedron, but it is different from olivine structure type in consisting of the edgesharing octahedral linear chains instead of the zigzag chains. Fe~(2+) situate at the center of symmetry of olivine, but it is vacant in this mineral at (0, 0, 1/2) and (1/2, 1/2, 1/2) symmetrical centers. Thus the structure becomes an ordered vacant lat- tice position structure.The cleavages, hardness optical properties etc. can all be properly explained with structure.After comparing the chemical composition, physical properties and size of unit cell of this mineral with that of MnO_2-bearing ferrifayalite informed by I. W. Ginsburg, the authors of present paper believe that these wo minerals possibly belong to the same kind of mineral, but the structure as they thought is quite different to ours.

高铁铁橄榄石(ferrifayalite)是富含Fe~(3+)的硅酸盐矿物,产于我国辽宁省似鞍山式磁铁矿矿床中。它在矿石中分布不均匀,多呈条带状产出,含量一般低于磁铁矿,有时含量可高达10%,晶体主要呈他形粒状,粒径0.25—0.7毫米,个别达1毫米。黑色,半金属光泽,条痕为黑褐色,(100)解理清楚,(010)解理不清楚。有中等磁性,具中等电磁性,硬度5.5—6.5,比重3.967。在偏光镜下不透明,反射光下为灰色,非均质,双反射清楚,折射率是由反射率换算的,在‖解理时N_(546)=2.03±0.04,N_(589)=2.01±0.04;⊥解理时,N_(546)=2.04±0.04,N_(589)=2.03±0.04;重屈折△_(546)=0.01,△_(589)=0.02。化学成分简单,较稳定,Fe_2O_3含量高,可达45.1%,结晶化学式为Fe~(3+)Fe_2~(3+)[SiO_4]_2。该矿物属单斜晶系,空间群为C_(2h)~5—P2_1/b。a=4.808,b=10.171,c=5.824,α=90°。粉晶强谱线有:3.488(10),2.774(9),2.521(10),2.405(7),2...

高铁铁橄榄石(ferrifayalite)是富含Fe~(3+)的硅酸盐矿物,产于我国辽宁省似鞍山式磁铁矿矿床中。它在矿石中分布不均匀,多呈条带状产出,含量一般低于磁铁矿,有时含量可高达10%,晶体主要呈他形粒状,粒径0.25—0.7毫米,个别达1毫米。黑色,半金属光泽,条痕为黑褐色,(100)解理清楚,(010)解理不清楚。有中等磁性,具中等电磁性,硬度5.5—6.5,比重3.967。在偏光镜下不透明,反射光下为灰色,非均质,双反射清楚,折射率是由反射率换算的,在‖解理时N_(546)=2.03±0.04,N_(589)=2.01±0.04;⊥解理时,N_(546)=2.04±0.04,N_(589)=2.03±0.04;重屈折△_(546)=0.01,△_(589)=0.02。化学成分简单,较稳定,Fe_2O_3含量高,可达45.1%,结晶化学式为Fe~(3+)Fe_2~(3+)[SiO_4]_2。该矿物属单斜晶系,空间群为C_(2h)~5—P2_1/b。a=4.808,b=10.171,c=5.824,α=90°。粉晶强谱线有:3.488(10),2.774(9),2.521(10),2.405(7),2.246(7),1745(8)等,线条有弥散现象。差热分析曲线上700℃处有一放热峰。红外光谱在460—620频率段为SiO_4为变形振动,840—1120频率段为SiO_4的伸缩振动。单晶结构分析系用等倾斜魏森堡多重胶片法按橄榄石定向,共收集了0kl—2kl,hk0—hk2,h0l七套照片,246个非零独立衍射点。照片上显示出V_h—D_(2h)—mmm劳埃对称,因为在[010]方向的魏森堡图上见到约40%的h+l=2n+1弱衍射点以及在P(VW)原子间向量投影图上没有P(OW)的哈格峰,这就证明晶体中不存在橄榄石空间群D_(2h)~(16)—Pbnm中的n滑移面和m对称面。所以确定唯一空间群C_(2h)~5—P2_1/b。各种原子的坐标参数是根据结晶化学原理和原子间向量投影图确定的R_(okl)=0.23,R_(hko)=0.21。晶体结构分析表明,高铁铁橄榄石是一具有序缺席橄榄石结构型的独立矿物,在结构上具有橄榄石结构的某些相同特征,包括一个相同的四面体方位,但所不同的是以公用稜连结的八面体直链代替了锯齿状链。Fe~(2+)位于对称中心1上。但本矿物在(0,0,1/2)及(1/2,1/2,1/2)对称中心位置上Fe~(2+)作有序空缺席来实现。矿物的解理、硬度、光性等物性在结构上都得到合理的解释。作者对高铁铁橄榄石结构分析时发现该矿物与铁橄榄石之间存在一个Fe~(3+)代替Fe~(2+)的异价类质同象系列的问题。Fe~(2+)被Fe~(3+)按其xFe~(2+)换2/3xFe~(3+)的方式所代替,因此在一些等值结构位置上形成空缺,当空缺位置由无序缺席代替变为有序缺席代替时,其结果必然导致晶体结构由高对称变为低对称。高铁铁橄榄石就是这种量变到质变的产物。它属于不完全的类质同象系列。按元素周期表对角线发展的类质同象代替规律,作者认为也适用于过渡元素的异价离子间的置换,从高铁铁橄榄石这一事实与在其他硅酸盐矿物中所观察到的情况是一致的。根据矿物的化学成分、物理性质及晶胞大小与I. W.金兹堡等人所报道的含MnO_2Ferrifayalite比较,本文作者认为二者可能属于同类矿物,但他们认为该矿物是由锰铁橄榄石+Fe_2O3、+SiO_2三个物相所组成的非独立矿物,他们推测该矿物的结构与本文显然是不相同的。

A new process for producing medium and low-carbon ferromanganese whereby

通过热力学计算说明,用碳素锰铁在转炉内吹氧脱碳的方法生产中碳和低碳锰铁是完全可能的。估算了吹炼中、低碳锰铁所需的温度条件和吹炼过程中锰的挥发损失,负压操作的效果。

 
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