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直流
相关语句
  dc
    FULL AUTOMATION FOR DC ARC FURNACE
    直流电炉的全自动化
短句来源
    OPERATION OF 2000 kVA SINGLE ELECTRODE DC SUBMERGED ARC FURNACE
    2000kVA单电极直流埋弧铁合金电炉的运行
短句来源
    Effect of Bottom Electrode Type on Melt Stirring in DC ArcFurnace
    炉底电极形式对直流电弧炉内熔体搅拌的影响
短句来源
    Advance in Direct Current (DC) Arc Furnace
    直流(DC)电弧炉技术的发展动态
短句来源
    DEVELOPMENT PROSPECT OF DC ARC FURNACE FOR STEELMAKING
    直流电弧炉炼钢的发展前景
短句来源
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  direct current
    DEVELOPMENT AND TECHNOLOGICAL SURVEY OF DIRECT CURRENT ELECTRIC ARC FURNACE
    直流电弧炉发展及技术概况
短句来源
    Advance in Direct Current (DC) Arc Furnace
    直流(DC)电弧炉技术的发展动态
短句来源
    COMPARING DIRECT CURRENT SUBMERGED ARC FURNACE WITH DIRECT CURRENT ELECTRIC ARC FURNACE
    直流矿热炉与直流电弧炉的比较及分析
短句来源
    Modelling and Intelligent Compound Controlof Direct Current Electric Arc Furnace*
    超高功率直流电弧炉的建模与智能复合控制(英文)
短句来源
    DIRECT CURRENT ELECTRIC ARC-ELECTROSLAG LADLE FURNACE
    直流电弧电渣钢包炉
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  “直流”译为未确定词的双语例句
    PRODUCTION OF METAL SILICON AND SILICON ALLOY IN A 8000kVA D. C. ARC FURNACE
    8000kVA直流电弧炉生产硅和硅合金
短句来源
    STRUCTURAL CHARACTERISTIC OF A 2000kVA D. C. ARC FURNACE
    2000kVA直流电炉的结构特点
短句来源
    DEVELOPMENT AND APPLICATION OF DCLF TECHNOLOGY
    直流钢包炉技术的发展与应用
短句来源
    RESEARCH ON OXYGEN AND COAL-DC ARC FURNACE PROCESS
    煤氧──直流电炉炼钢新工艺的研究
短句来源
    DOLCF 40t ladel heating furnace
    DDCLF──40t直流钢包加热炉
短句来源
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  dc
The structure and properties of the samples were investigated by XRD, Raman spectral techniques, and DC measurements and so on.
      
Results of the analysis reveal that crystals of the complex 1 are orthorhombic, space group Pbcn, a = 4.6370(2) nm, b = 0.7549(2) nm, c = 1.3888(4) nm, V = 4.861(2) nm3, Z = 8, M = 945.49, Dc = 2.58 g/cm3, μ = 2.625 cm-1, R = 0.063, and wR = 0.075.
      
Furthermore, it is clear that when carrier signal h(t)=0, closed-loop pulse-width modulation (PWM) DC-DC converters are not well posed, and when some condition is satisfied, the closed-loop PWM DC-DC converters with a P controller are well posed.
      
The brushless DC motor (BLDCM) with trapezoidal electromotive force (back-EMF) waveform is used widely.
      
Bifurcation and chaos in multi-parallel-connected current-mode controlled boost DC-DC converters
      
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  direct current
Direct current magnetic susceptibility measurement in the 2-300 K temperature range supports a high-spin ground state.
      
This paper analyzed the operating principles and power and torque characteristics of the wind turbine and the direct current motor (DC motor), and investigated the operating characteristics of the wind turbine compared to that of the DC motor.
      
Surfacing beads are prepared by a direct current tungsten inert gas arc nickel-aluminum (Ni-Al) powder surfacing process.
      
Using A-TIG welding with the modes of alternating current (AC), direct current electrode negative (DCEN) and direct current electrode positive (DCEP), respectively, the flux differently affects weld penetration when the polarity is different.
      
The structure, phase transition, oxygen ion diffusion and electrical conductivity were studied with X-ray diffraction (XRD), differential scanning calorimeter (DSC), direct current (dc) resistivity, and dielectric relaxation (DR) measurements.
      
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Owing to the narrow structure confinement of the ladle furnaces especial the medium and small ones, the article states that D. C arc heating is the optimum selection and suggests that the D. C ladle furnaces should be developed in our country, meanwhile some advanced foreign D. C ladle furnaces are introduced.

文中论述了中小容量钢包炉的结构特点。基于中小容量钢包炉结构上的限制,采用直流电弧加热是最佳方案。介绍了国外几种先进的直流钢包炉。建议我国应大力发展直流钢包炉。

The structure and production circumstances of a 8000kVA D.C.arc furnace is summarized in this paper.It indicates the advantages and the problems which are necessary to resolve.

简要介绍了8000kVA 直流电炉的结构和试生产情况,指出了该直流电炉的优点和需要进一步解决的问题。

This paper persentes the method of preparation of ultrafine AIN powder by D.G arc plasma.Two kinds of AlN Powders were produced respectively in two diffcrent mixed gases, N_2-Ar and N_2-NH_3, by the nitridation reaction of the aluminium metal vapor evaporated by means of D.C arc plasma. The experimental results have shown that the Powder prepared in N_2-Ar gas always a mixture of Al and AlN powders, while in the N_2-NH_3 gas a pure ultrafine AlN Powder can be produced. By means of X-ray diffraction analysis,...

This paper persentes the method of preparation of ultrafine AIN powder by D.G arc plasma.Two kinds of AlN Powders were produced respectively in two diffcrent mixed gases, N_2-Ar and N_2-NH_3, by the nitridation reaction of the aluminium metal vapor evaporated by means of D.C arc plasma. The experimental results have shown that the Powder prepared in N_2-Ar gas always a mixture of Al and AlN powders, while in the N_2-NH_3 gas a pure ultrafine AlN Powder can be produced. By means of X-ray diffraction analysis, it was shown that the ultafine AlN powder produced in the N_2-NH_3 gas with a appropriate mix ratio of N_2 and NH_3 has no Al powder, i.e., the nitridation ratio of alu minium is 100%.The most probable diameter and the mean diameter measured by electronmicroscope are 5.29nm and 21.0nm respectively. In the last paragraph of this paper the actions of arc plasma, the mechanism of generating ultrafine AlN particles and the factors exerting an influence on the AlN content in the powder have been discussed.

介绍了利用直流电弧等离子体制备超细AlN粉末的方法。实验结果表明,在N_2-Ar气氛中制备的超细粉末是Al和AlN混合物,而在N_2-NH_3气氛中能制备出高纯度的超细AlN粉末。X射线衍射分析证明,在适当分压比的N_2-NH_3混合气体中所制出的超细AlN粉末不存在Al(即其氮化率达到100%),所得AlN粒子的最大几率直径为5.29nm,几何平均直径为21.0nm。本文最后对电弧等离子体的作用,AlN超细颗粒的生成机理及影响超细粉末中AlN含量的主要因素作了分析。

 
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