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钢铁     
相关语句
  steel
    DETERMINATION OF BORON IN STEEL AND IRON BY THE ALUMINUM SPARK METHOD
    铝火花法测定钢铁中的硼
短句来源
    IRON AND STEEL——Volume 14 1979 SUBJECT INDEX
    钢铁 第14卷 1979年 分类目录
短句来源
    THE TRENDS OF DEVELOPMENT IN AUTOMATION OF IRON AND STEEL INDUSTRY
    钢铁工业自动化发展趋势
短句来源
    DETERMINATION OF CALCIUM IN STEEL AND IRON WITH PVC MEMBRANE CALCIUM ION-SELECTIVE ELECTRODES
    用PVC膜钙离子选择性电极测定钢铁中的钙
短句来源
    MEASUREMENT OF COERCIVITY OF IRON AND STEEL MATERIALS BY USING CYLINDRICAL SPECIMENS
    用圆柱样品测量钢铁材料的矫顽力
短句来源
更多       
  iron and steel
    IRON AND STEEL——Volume 14 1979 SUBJECT INDEX
    钢铁 第14卷 1979年 分类目录
短句来源
    THE TRENDS OF DEVELOPMENT IN AUTOMATION OF IRON AND STEEL INDUSTRY
    钢铁工业自动化发展趋势
短句来源
    MEASUREMENT OF COERCIVITY OF IRON AND STEEL MATERIALS BY USING CYLINDRICAL SPECIMENS
    用圆柱样品测量钢铁材料的矫顽力
短句来源
    STUDY OF THE COATING LAYER OF VANADIUM CARBIDE ON IRON AND STEEL AND ITS APPLICATIONS
    钢铁表面碳化钒覆层的研究与应用
短句来源
    Studies on Surface Alloying of Iron and Steel with Laser Beam
    钢铁激光表面合金化处理的研究
短句来源
更多       
  steel and iron
    DETERMINATION OF BORON IN STEEL AND IRON BY THE ALUMINUM SPARK METHOD
    铝火花法测定钢铁中的硼
短句来源
    DETERMINATION OF CALCIUM IN STEEL AND IRON WITH PVC MEMBRANE CALCIUM ION-SELECTIVE ELECTRODES
    用PVC膜钙离子选择性电极测定钢铁中的钙
短句来源
    The applications of laser alloying in steel and iron
    激光合金化在钢铁中的应用
短句来源
    The Present Situation about the Treatment Prior to the Coating on Steel and Iron and Its Developing Trend
    钢铁表面漆前处理现状及发展趋势
短句来源
    Investigation on Steel and Iron Blackening at Normal Temperature in Selenious Acid Copper Salt Phosphoric Acid System
    亚硒酸-铜盐-磷酸体系钢铁常温发黑的研究
短句来源
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  iron steel
    Design Basis of Marine Protection Coating of Iron Steel Material
    钢铁材料的海洋防护涂层的设计依据
短句来源
    Assessment of the uncertainty in determining chromium content in iron,steel and alloys by means of oxidation volumetric method using ammonium persulfate
    过硫酸铵氧化容量法测定钢铁及合金中铬含量不确定度的评定
短句来源
    EVALUATION OF UNCERTAINTY FOR DETERMINATION OF ACID-SOLUBLE SILICON CONTENT IN IRON,STEEL AND ALLOY BY THE REDUCED MOLYBDOSILICATE SPECTROPHOTOMETRIC
    还原型钼蓝酸盐光度法测定钢铁及合金中酸溶Si含量的不确定度评估
短句来源
    Evaluation on the Uncertainty for Determining Nitrogen in Iron Steel by Inert Gas Fusion - thermal Conductivity Method
    评定惰气熔融热导法测定钢铁中氮的不确定度
短句来源
    Determination of trace arsenic and bismuth content in iron,steel and alloys by hydride generation-atomic fluorescence spectrometric method
    氢化物发生-原子荧光光谱法测定钢铁及合金中痕量砷和铋(英文)
短句来源
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      steel
    A PDE problem arising from calculation of the model for continuous casting of steel
          
    This paper deals with the relationship between a certain three-dimensional elliptic problem and a two-dimensional parabolic problem, which arises from numerical calculation in the process of the continuous casting of steel.
          
    Comparison of antibacterial ability of copper and stainless steel
          
    In this paper, the electro-analysis and spectrophotometric analysis methods were used to study the antibacterial ability of copper and stainless steel materials.
          
    coli) and photo-bacteria were used as samples, the antibacterial effect of stainless steel was very weak, while the percentage of bacteria dying from exposure to metallic copper for 30 min was over 90%.
          
    更多          
      iron and steel
    The highest yields of 243Am deposition (~75-85%) were obtained on iron and steel supports.
          
    Regression lines of mechanical properties versus coercimeter readings are presented for 20Κ- and 09Γ2-steel sheets produced by Nizhni Tagil Iron and Steel Works.
          
    Water atomized powder obtained from the Wuhan Iron and Steel Corporation was used.
          
    Phase transition kinetics in iron and steel during heating
          
    Similarity theory is used to analyze phase transformations in iron and steel during heating.
          
    更多          
      steel and iron
    The corrosion and electrochemical behavior of low-carbon steel and iron in a neutral aqueous solution containing ZnHEDP, lignosulfonates LS1 and LS2, and their mixtures was studied.
          
    Evaluating the Wear in Steel-Steel and Iron-Iron Friction Pairs by the Eddy-Current Method
          
    Results of a study of steel-steel and iron-iron friction pairs by eddy-current and X-ray methods are reported.
          
    Direct-reading, time-resolving technique in emission spectroscopy and its application to the analysis of iron, steel and iron or
          
    The results of systematic rig investigations of corrosion of carbon steel and iron in boiler feedwater have been presented.
          
    更多          
      iron steel
    When hydrogen is liberated at an iron/steel surface during electrodeposition, a portion of the hydrogen is absorbed by the metal surface and then diffuses into the interior.
          
    The present paper is devoted to the special features of chemical heat treatment (CHT) of parts produced from iron (steel) powder materials.
          
    BOFs, and BFs during the iron/steel making process -has many important and environmentally safe uses.
          
    Environmental Protection Agency in 1989 -all 24 integrated iron/steel facilities and two additional blast furnace operations.
          
    Env ironmental Protection Agency in 1989 -all 2 4 integrated iron/steel facilities and two additional blast furnace operatio ns.
          
    更多          


    It is well-known that blue brittleness and temper brittleness of steel are related to diffusion and precipitation in steel. An attempt was made in the present research to investigate this problem by means of internal friction measurements. Experiments show that the diffusion of carbon in α-iron is not affected by carbon concentration, alloying elements and the stage of precipitation in iron. The diffusion of nitrogen in α-iron is, however, hindered by the addition of alloying elements, and is enhanced during...

    It is well-known that blue brittleness and temper brittleness of steel are related to diffusion and precipitation in steel. An attempt was made in the present research to investigate this problem by means of internal friction measurements. Experiments show that the diffusion of carbon in α-iron is not affected by carbon concentration, alloying elements and the stage of precipitation in iron. The diffusion of nitrogen in α-iron is, however, hindered by the addition of alloying elements, and is enhanced during the initial stage of precipitation.

    一般认为钢的变脆例如蓝脆和回火脆都与钢中的扩散和沉淀有关系。本文尝试用内耗测量的方法研究碳与氮在α-铁及碳素钢中的扩散、脱溶和沉淀,从而进一步地了解钢的变脆的机构。实验的结果指出,碳在α-铁中的扩散不受自身浓度、合金元素和沉淀历史的影响。氮的情形与碳显著不同,合金元素使氮的扩散变慢,在沉淀初期使氮的扩散加速。 较有系统地研究了碳、氮在加工后的α-铁中脱溶时所引起的内耗峰(当振动频率约为每秒1周时出现在250℃左右),发现了高温淬火在含碳或氮较多的试样中所产生的内应力也可以引起这个内耗峰。实验指出:①这个脱溶内耗峰的出现条件与钢的蓝脆的出现条件相同,都是一种应变时效或淬火时效的现象;②与这个内耗峰有关的碳、氮是处于原子的状态。这些联系使我们认为钢的蓝脆是一种应变脱溶或淬火脱溶的过程,是由于原子状态的碳或氮聚集于钢中的内应力区域或晶体缺陷(例如原子脱节)中所引起来的。关于这方面的深入研究正在继续进行中。 根据本实验及以前关于钢铁中碳氮的扩散、脱溶和沉淀所得的结果,对于钢的回火脆的机构也提出了一种初步的看法。回火脆是一种回火沉淀的过程,引起回火脆的沉淀似乎是氮化物而不是碳化物。

    Certain defects associated with the presence of stratified inclusions in mildsteel plates of medium thickness manufactured by Anshan steel works were inves-tigated.It has been found that the nature and the appearance of such inclusionscan be classified into three different types in accordance with the different positionsof the rimming ingots from which the plates were being made.The origin of thedifferent types of inclusions has been discussed in the light of the works data andcertain suggestions have been put...

    Certain defects associated with the presence of stratified inclusions in mildsteel plates of medium thickness manufactured by Anshan steel works were inves-tigated.It has been found that the nature and the appearance of such inclusionscan be classified into three different types in accordance with the different positionsof the rimming ingots from which the plates were being made.The origin of thedifferent types of inclusions has been discussed in the light of the works data andcertain suggestions have been put forward with a view to minimizing the occurren-ce of such inclusions.

    本文研究了鞍山钢铁公司生产的沸腾钢中板所含的夹层,发现它们可以按照钢锭的不同部位区分为三种类型。权据夹层的分析结果和生产统计资料,讨论了这三利夹层的生成原因并对它们的防止办法提出了建议。

    The distribution and types of non-metallic inclusions in rimming steel ingots

    本文根据鞍山钢铁公司沸腾钢的四种浇铸方案(一般,造渣,模口加盖,模口加盖铸完压板),在非金属夹杂物的类型和分布方面进行了金相的观察。结果指出,各种类型夹杂物都有它分布的特点。在这四种方案所浇铸的钢锭中基本上是一致的;惟在上述后三种操作方法所铸出的钢锭的上部发现沿晶粒间界析出的网状氧化物,可能影响钢锭的质量。文中就各种夹杂物的分布的特点进行了讨论,并对沸腾铜的生产提出了几点建议。

     
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