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锰铁
相关语句
  ferromanganese
    REASONABLE DISTRIBUTION OF GAS-FLOW IN FERROMANGANESE BLAST FURNACE
    论锰铁高炉煤气流的合理分布
短句来源
    PROSPECT OF BLAST FURNACE FERROMANGANESE AS VIEWED FROM DEVELOPMENT AND DEMAND OF MANGANESE FERROALLOYS
    从锰系铁合金的发展与需求看高炉锰铁的前景
短句来源
    ANALYSIS OF INTENSIFYING PRACTICE FOR FERROMANGANESE BLAST FURNACE OPERATION
    锰铁高炉强化冶炼实践的分析
短句来源
    Design and application of A3 steel plate tuyere in ferromanganese blast furnace
    锰铁高炉A3钢板风口的设计与应用
短句来源
    STUDY ON DEPHOSPHORIZATION OF BLAST FURNACE FERROMANGANESE
    高炉锰铁脱磷研究
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  “锰铁”译为未确定词的双语例句
    MAKING MEDIUM-LOW CARBON FERRO-mANGANESE IN BASIC OXYGEN FURNACE
    氧气顶吹转炉熔炼中低碳锰铁
短句来源
    TEST OF MIXED CHARGING ON 100 m~3 Fe-Mn BLAST FURNACE
    重钢100m~3锰铁高炉矿焦混装冶炼试验
短句来源
    SCHEME AND PRACTICE OF GAS CLEANING WITH BAG HOUSE FOR 100m~3 FeMn BLAST FURNACE AT LUFENG IRON AND STEEL WORKS
    禄钢100m~3锰铁高炉煤气布袋除尘方案与实践
短句来源
    CONGEALING QND TREATMENT OF FURNACE CHAMBER OF 300m~3 FERRO—MANGANESE BLAST FURNACA IN XIANGTQN MANGANESE MINE
    湘锰300m~3锰铁高炉炉缸冻结和处理
短句来源
    EXPERIMENT ON MIXED LOADING OF ORE AND COKE IN FeMn BLAST FURNACE
    锰铁高炉矿焦混装试验
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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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Main problems in technical development of ferrosilicon and ferromanganese i. e. burden of superior quality, assortment, melting technology, product treatment, electric furnace and special equipment, the use of fume gas and slag, application of electronic computer in ferroalloy industry etc., are discussed.Some concrete comments for developing our ferroalloy industry are proposed.

本文论述了国外电炉冶炼硅铁和锰铁技术发展的一些主要动向,包括精料、品种、冶炼工艺、产品处理、电炉及专用设备、烟气和炉渣的利用以及电子计算机在铁合金工业上的应用等技术。结合国外动向,对我国铁合金工业提出一些具体意见。

Hot metal from Baotou blast furnace contains about 0.08% of niobium and 1% of manganese. The openhearth slag accumulated at that steelplant also retains appreciable amounts of these metals. A process has been developed, using a small blast furnace and side-blown converter for collecting niobium and manganese in the OH slag into an enriched intermediate slag, which is used as raw material for the production of ferro-manganese-niobium. Methods were also experimentally studied for the direct extraction of niobium...

Hot metal from Baotou blast furnace contains about 0.08% of niobium and 1% of manganese. The openhearth slag accumulated at that steelplant also retains appreciable amounts of these metals. A process has been developed, using a small blast furnace and side-blown converter for collecting niobium and manganese in the OH slag into an enriched intermediate slag, which is used as raw material for the production of ferro-manganese-niobium. Methods were also experimentally studied for the direct extraction of niobium and manganese from the hot metal. It was found that by properly treating the hot metal in a converter, be it top-blown, side-blown or bottom-blown, at least 80% of the niobium and manganese is oxidized, producing a slag which is in effect an artificial niobiferous manganese ore, that can be used for making niobiferous ferromanganese especially suitable for the production of niobium micro-alloyed high-strength steel. A bottom-blown converter is preferable to the side-or top-blown in that less of the phosphorous will go into the slag, thus simplifying the letter's subsequent processing. A neutral lining (e. g. high alumina brick) would have the advantage of longer life, and higher Nb and Mn as well as lower P content in the slag produced. Large scale tests of a continuous spray extraction process pointed towards considerable potential advantages over the intermittent converter processes.

包钢高炉生产的铁水含铌约O.08%,锰约1%,积存的废平炉渣也含铌、锰。通过试验研究发展了一种用小高炉一转炉将平炉渣的铌和锰加以富集的方法,以及从包钢铁水直接提取铌锰渣的各种方法。结果证明,不论用顶吹、侧吹或底吹转炉,只要将吹炼温度保持在1350℃左右,铁水中铌和锰均至少80%都被氧化,形成一种实际上可看作是含铌人造锰矿的铌锰渣,可用以炼制适于生产含铌高强度低合金钢的铌锰铁。为了降低铌锰渣的磷含量,从而简化下步工序,用底吹转炉比侧吹或顶吹都较为有利。为了同一目的,同时也提高渣中铌和锰的品位和转炉炉衬的寿命,可采用中性炉衬一如高铝砖。试验了从铁水提铌锰渣的连续操作工艺,发现它有许多潜在优点。

This paper summarizes the results of research and application of oxygen sensor with solidelectrolyte in molten steel since 1975. It indicates some key points for raising the rate of successfuldeterminations and signal stability. The reliability of the data obtained has also been identified inmany ways. In a study of electric furnace melting using oxygen sensors, it was found that the oxygenactivity in the bath before tapping and final deoxidation is closely related to the oxide inclusiongrade of the steel product,...

This paper summarizes the results of research and application of oxygen sensor with solidelectrolyte in molten steel since 1975. It indicates some key points for raising the rate of successfuldeterminations and signal stability. The reliability of the data obtained has also been identified inmany ways. In a study of electric furnace melting using oxygen sensors, it was found that the oxygenactivity in the bath before tapping and final deoxidation is closely related to the oxide inclusiongrade of the steel product, decreasing the oxygen activity before final deoxidation being advantageousto the cleanness of the product. By using aluminium for preliminary deoxidation, the reduction pe-riod in the furnace may be shorten considerably. Oxygen content changes in bottom oxygen-blownconverter steelmaking were also studied with oxygen sensor. It was found that the use of ferro-manganese for preliminary deoxidation at end-point has no evident effect, but that the oxygen contentis decreased about 50% by blowing in nitrogen. Oxygen sensor may also be used to judge and controlthe tendency towards swelling and skin blowhole formation in ingot teeming.

文章总结了作者1975年以来研制和使用钢液固体电解质浓差定氧电池的经验。通过对比试验,指出了提高其测成率和信号稳定性的一些关键。对测定结果的可靠性亦用多种方法进行过鉴定。用浓差定氧对电炉冶炼工艺进行研究得知:出钢终脱氧前熔池中的氧活度与钢材的氧化物夹杂评级密切有关,降低终脱氧前的钢中氧活度对提高钢材的洁净度有利。当采用铝预脱氧工艺时,电炉还原期可以大大缩短。用浓差电池定氧还研究了氧气底吹转炉冶炼过程中熔池含氧量的变化规律。判明了在吹炼终点使用锰铁预脱氧无明显效果。而鼓入氮气可以使钢中含氧量降低约50%。浓差定氧还可用于判断和控制钢锭上涨及皮下气泡的发生。

 
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