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电弧     
相关语句
  arc
    RAPID MELTING IN ELECTRIC ARC FURNACE AND VACUUM REFINING OF SPECIAL STEELS
    特殊钢的电弧炉快速冶炼和真空精炼
短句来源
    APPLICATION OF SINGLE-SLAG PROCESS TO ELECTRIC ARC FURNACE MELTING
    电弧炉单渣法冶炼工艺的应用
短句来源
    THE CONTINUOUS STEELMAKING PROCESS IN ELECTRIC ARC FURNACE
    电弧炉的连续炼钢工艺
短句来源
    The Application of Computer to Electric Arc Furnace Steelmaking
    计算机在电弧炉炼钢中的应用
短句来源
    A NEW ARC FURNACE BURNER SYSTEM——SPLIT-FIRE BURNER
    一种新型的电弧炉用烧嘴——分燃式烧嘴
短句来源
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  electric arc
    RAPID MELTING IN ELECTRIC ARC FURNACE AND VACUUM REFINING OF SPECIAL STEELS
    特殊钢的电弧炉快速冶炼和真空精炼
短句来源
    APPLICATION OF SINGLE-SLAG PROCESS TO ELECTRIC ARC FURNACE MELTING
    电弧炉单渣法冶炼工艺的应用
短句来源
    THE CONTINUOUS STEELMAKING PROCESS IN ELECTRIC ARC FURNACE
    电弧炉的连续炼钢工艺
短句来源
    The Application of Computer to Electric Arc Furnace Steelmaking
    计算机在电弧炉炼钢中的应用
短句来源
    FIVE POWER-SAVING MEASURES OF SMALL STEELMAKING ELECTRIC ARC FURNACE
    小型炼钢电弧炉的五项节电措施
短句来源
更多       
  electrical arc
    Numerical Calculation of Velocity Field and Temperature Field of Electrical Arc in DC Electric Arc Furnace
    直流电弧电弧速度场和温度场的数值计算
短句来源
    Influence factors on electrical arc stability of vacuum consumable electrode arc furnace and taken countermeasures
    影响真空自耗电极电弧电弧稳定性的因素及对策
短句来源
    ANALYSIS OF DESIGN CHARACTER FOR 90t SUPER-HIGH POWER AC ELECTRICAL ARC FURNACE OF HENGGUAN
    衡管90t超高功率交流电弧炉设计特点分析
短句来源
    Study and Practice of Desulphurization in Electrical Arc Furnace Steelmaking
    电弧炉炼钢脱硫的研究与实践
短句来源
    The Effect of Electrical Arc Furnace Electrode Incline on the Lining Erosion
    电弧炉电极倾斜对炉衬浸蚀的影响
短句来源
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  eaf
    Dynamic Modeling and Simulation of EAF Steelmaking Process
    炼钢电弧炉全程动态模型与仿真研究
短句来源
    Improvement of Inlet Pipe of Electrode Clamping Cylinder in HX_2-30 EAF
    HX_2-30型电弧炉电极松紧缸进液管的改进
短句来源
    Self-tipping fault diagnosis of the body of EAF
    电弧炉炉体自行倾翻故障的诊断
短句来源
    An analysis on the design parameters of plate-type water cooled furnace wall and circulating cooling system of an EAF
    电弧炉板式水冷炉壁及循环冷却系统设计参数的分析
短句来源
    TREATMENT OF LIQUID STEEL WITH BaCO_3 DURING THE REDUCTION PERIOD IN EAF
    电弧炉炼钢还原期采用BaCO_3处理钢液工艺探讨
短句来源
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  arc
Let Γ be a smooth compact convex planar curve with arc length dm and let dσ=ψ dm where ψ is a cutoff function.
      
The circulant digraphDCn(S) is a directed graph with vertex setZn and arc set {(i,i+s): i ∈ Zn, s ∈ S}.
      
ThenCn(S) is arc-transitive if and only if Xoacts transitively onS.
      
A packing of the complete directed symmetric graph DKv with m-circuits, denoted by (v,m)-DCP, is defined to be a family of arc-disjoint m-circuits of DKv such that any one arc of DKv occurs in at most one m-circuit.
      
It is proved that there is no chaotic group actions on any topological space with free arc.
      
更多          
  electric arc
The mechanism of conducting-gas acceleration in an electric arc by intrinsic magnetic field was first investigated in [1].
      
The present work proposes a modified version of the difference method [4] and a series of integral methods for the calculation of the conducting-gas flow in a high-current electric arc.
      
Development of the temperature fields in an electric arc struck on a point electrode in a homogeneous gas stream
      
The development of an electric arc struck on a point cathode in a medium which moves without deformation is studied.
      
The stationary problem of a two-dimensional electric arc that develops in a medium with piecewise constant electrical conductivity is solved.
      
更多          
  electrical arc
An approximate solution of the problem of an electrical arc in a turbulent argon stream is obtained, taking into account convective and radiant energy losses in the discharge channel at atmospheric pressure.
      
A stabilized electrical arc column of variable radius
      
The self-similar solution of the equations describing an axisymmetric electrical arc in a turbulent gas flow is presented.
      
The unique features of a dc electrical arc burning in a long cylindrical channel with an accompanying flow of plasma-forming gas are considered.
      
The purpose of this paper is to examine the properties and parameter dependences of the electrical, thermal, dynamical and radiation quantities of a Hagen-Poiseuille flow in a cylindrical wallstabilized electrical arc.
      
更多          
  eaf
The fields of EAF study include screening (search for new compounds using biological tests), identification, and research into the mechanisms of action.
      
The activation barriers for the motion of dislocations controlled by various conditions in the temperature range T=850-950 K are EaF=2.1±0.1 eV and EaS=1.8±0.1 eV.
      
An increase in the path of surface dislocation half-loops and a change in the activation barriers are detected (EaF=1.4±0.1 eV and EaS=1.6±0.1 eV) after subjecting silicon to a magnetic field (B=0.7 T) for 30 min.
      
Thermodynamics calculation on the oxidation and sulfur removal abilities of slag in EAF dust pellet reduction process
      
The valuable metals in the dust can be recycled by mixing it with reducing agent carbon and lignosulfonate as the binder to make pellets, then returning the pellets to electric arc furnace (EAF) and adding ferro-silicon.
      
更多          
  其他


A strong trend of carrying out the steel refining operation in the ladle in stead of the furnace has been observed in the principal steel-producing countries. This new refining process is termed "ladle-refining" or "secondary steelmaking". It is discussed in three parts: (a) The development of various ladle-refining process including vacuum(or decreased pressure) refining and normal pressure refining such as synthetic slag treatment, argon stirring (Gazal, CAB, and SAB processes), vacuum degassing (VC, SLD,...

A strong trend of carrying out the steel refining operation in the ladle in stead of the furnace has been observed in the principal steel-producing countries. This new refining process is termed "ladle-refining" or "secondary steelmaking". It is discussed in three parts: (a) The development of various ladle-refining process including vacuum(or decreased pressure) refining and normal pressure refining such as synthetic slag treatment, argon stirring (Gazal, CAB, and SAB processes), vacuum degassing (VC, SLD, TD, TD-VC, TD-SLD, RH, DH, Finkl and Gazad processes), ladlerefining with arc-heating (ASEA-SKF, Finkl-VAD and LF Processes), jet metallurgy (CAB/TN and SL processes), and stainless steel refining (AOD, CLU, VOD, SS-VOD, K VOD/VAD, RH-OB and VODC processes); (b) present situation of secondary steelmaking technology in China; (c) problems to be solved for successful adoption of secondary steelmaking prooesses. Besides, there are technical data concerning secondary steelmaking process shown in attached tables and figures.

世界上主要产钢国家,炼钢工艺的一个主要发展趋势是在钢包中对钢水进行精炼处理,即炉外精炼或叫做二次炼钢.本文分三个方面进行讨论:(1) 各种炉外精炼法的发展,包括真空(减压)精炼和常压精炼,例如合成渣洗、吹氩搅拌(Gazal、CAB、SAB法)、真空脱气(VC、SLD、TD、TD-VC、TD-SLD、RH、DH、FinKl和Gazid法)、带电弧加热的炉外精炼(ASEA-SKF、FinKl-VAD和LF法)、喷射冶金(CAB/TN和SL法)以及不锈钢的精炼法(AOD、CLU、VOD、SS-VOD、KVOD/VAD、RH-OB和VODC法),(2) 我国炉外精炼技术的现状,(3) 发展炉外精炼必须注意的一些问题.

Since the energy crisis began in 1973, the developed countries have beenpaying great attention to energy conservation, and a lot of investigations ofenergy conservation for electrical furnaces have been carried out in thefields of the metallurgical and machine-building industries. Nowadays, the principal technique of energy conservation for resistance-heated furnaces isto use ceramic fiber liner and direct resistance heating. The chief tendencyof energy conservation for induction furnaces includes the recovery...

Since the energy crisis began in 1973, the developed countries have beenpaying great attention to energy conservation, and a lot of investigations ofenergy conservation for electrical furnaces have been carried out in thefields of the metallurgical and machine-building industries. Nowadays, the principal technique of energy conservation for resistance-heated furnaces isto use ceramic fiber liner and direct resistance heating. The chief tendencyof energy conservation for induction furnaces includes the recovery of wasteheat from cooling water, the preheating of the charge, the combination heat-ing and the choice of high-efficient frequency converters. As to are furnacesthe primary investigation subjects consist of the preheating of the chargeand the recovery of waste heat from flue gas.

1973年能源危机发生以来,国外高度重视能源节约,在冶金、机械等工业领域里大力开展电炉节能研究。当前,电阻炉的主要节能技术是应用耐火纤维炉衬以及电阻直接加热;感应电炉节能的主要动向包括冷却水废热回收、炉料预热、联合供热以及选用高效率的变频设备;电弧炉节能的主要研究课题是炉料预热以及烟气废热的回收。

The anode effect is a characteristic phenomenon in molten salts electrolysis, especially in aluminium electrolysis. When it occurs,there appear many small electric sparks on the anode,and the cell voltage increases suddenly.In this paper the anode effect was studied by means of cathode-ray oscillography. The back electromotive force of the aluminium electrolysis cell with various kinds of anode materials(carbon, graphite, platinum and other inert materials)was measured,It was clearly observed that a series of...

The anode effect is a characteristic phenomenon in molten salts electrolysis, especially in aluminium electrolysis. When it occurs,there appear many small electric sparks on the anode,and the cell voltage increases suddenly.In this paper the anode effect was studied by means of cathode-ray oscillography. The back electromotive force of the aluminium electrolysis cell with various kinds of anode materials(carbon, graphite, platinum and other inert materials)was measured,It was clearly observed that a series of electrochemical decomposition processes took place when the anode effect occurred on carbon anodes. The values of back EMF of these processes were in the range of 1.0-5.5V. These were checked with thermodynamics calculations. A direct short circuit of current from anode to cathode was also observed during the whole process of the anode effect.These phenomena were compared with those observed on microelectrolysis cells, and the mechanism of the anode effect was suggestsd.

阳极效应是融盐电解中的一种特殊现象。尤其是在铝电解中,最为普遍。当其发生时,槽电压突然升高,阳极上出现许多细小的电弧。本文采用阴极射线示波术研究阳极效应时的波形和反电势。用活性阳极(炭、石墨)和惰性阳极(Pt,ZrO_2,SnO_2,Al_2O_3)。阳极效应时清楚地观测到一系列的电化学分解反应。测得的反电势值在 1.0~5.5V 范围内。用热力学计算加以核对。还观测到电弧短路现象。这些现象同微型电解槽上所观测到的作比较,进而讨论阳极效应的机理问题。

 
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