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controlling
相关语句
  控制
    Study on Eletctromagnetic Force Driving and Controlling Flow Modalisy of Molten Metal
    电磁力对金属熔体驱动与运动形态控制的研究
短句来源
    Welding Deformation Predicting, Controlling and Applying for Box Structure
    箱型结构焊接变形预测、控制及应用
短句来源
    Simulation Study on the Characteristics of Medium Carbon Structural Steel during Semi-Hot Controlling Precision Forming
    中碳结构钢亚热控制精密成形特性模拟研究
短句来源
    A STUDY OF THE CONTROLLING MODEL OF DYNAMIC GAGE-CHANGING SETTING IN CONTINUOUS COLD ROLLING
    冷连轧动态变规格设定控制模型的探讨
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    A NEW METHOD FOR CONTROLLING WELDING ARC
    新的焊接电弧控制
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  “controlling”译为未确定词的双语例句
    The Study and Design of Controlling System of Lower Speed Wire Electrical Discharge Machine Tools Beased on the Reconfigurable Theory
    基于可重构理论的慢走丝线切割机床控制系统研究与设计
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    Testing and Mescaring, and Option of Controlling Instruments in Cupola Melting
    冲天炉熔炼过程检测和控制仪表的选用
短句来源
    A Microcomputer System for Controlling Cupola Melting
    冲天炉微机控制系统
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    Application of OBM Industrial Controlling Unit in Moulding Sand Preparation
    OBM工业控制机在型砂制备上的应用
短句来源
    MC CONTROLLING SYSTEM FOR HF PULSE MICROPLASMA WELDING MACHINE
    高频脉冲微束等离子弧焊机微机控制系统的研究
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  controlling
The research on the controllability of quantum systems is first introduced, then the study on the quantum open-loop control methods often used for controlling simple quantum systems is analyzed briefly.
      
A barcode-based position controlling method for high-speed conditions was introduced to deal with the position control in some conditions where it cannot be done quickly and precisely using traditional methods.
      
To directly use a virtual surface model for action editing and movement control, a general method for creating virtual actor skeleton models and controlling movement is presented.
      
The elevation, slope aspect, and slope degree were found to be dominant features controlling landscape pattern.
      
The significance and prospect of the alkaloids in controlling forest insect pests were also discussed.
      
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The isothermal transformation of austenite in a ball-bearing steel within thetemperature range between martensite point M and room temperature has been investigated by electrical resistance measurements.The steel employed was ofcommercial production containing 1.43% Cr and 1.02% C and its martensite pointis 159℃ when quenched from 1100℃.The specimen was first quenched toroom temperature(in which state it contained 17% retained austenite),and thenupquenched to isothermal bath in which its transformation was followed.Theeffect...

The isothermal transformation of austenite in a ball-bearing steel within thetemperature range between martensite point M and room temperature has been investigated by electrical resistance measurements.The steel employed was ofcommercial production containing 1.43% Cr and 1.02% C and its martensite pointis 159℃ when quenched from 1100℃.The specimen was first quenched toroom temperature(in which state it contained 17% retained austenite),and thenupquenched to isothermal bath in which its transformation was followed.Theeffect of tempering of martensite was eliminated by employing two specimens ofdifferent martensite contents.1)By comparing the kinetics of isothermal transformation below and abovemartensite point,it was concluded that isothermal transformation below M pointtakes place by the martensite process and not by intermediate transformation(bainitic),in.spite of the presence of large amount of martensite and relativelyhigh temperature at which the transformation takes place.2)From kinetics considerations it appears that isothermal transformationof retained austenite to martensite takes place not by the formation of new nuc-lei but mainly by the growth of already existing martensite.This would alsoinfer that coherency between martensite and austenite is not destroyed(or notcompletely destroyed)during quenching transformation.3)The tempering of martensite appears to be the controlling process forthe isothermal transformation of retained austenite to martensite,such that theelastic strain energy relaxed by tempering of martensite exceeds the difference offree energies between the two phases.The activation energy of tempering ofmartensite within the temperature range considered(below 150℃)was found tobe 13,300 cal/mol,which compares favourably well with the value of 16,000 cal/molas given by Averbach and Cohen in 1953.4)The results show that isothermal keeping for prolonged duration at theneighbourhood of 100℃ brings about maximum amount of transformation of re-tained austenite.That is,at either higher or lower temperatures and for a speci-fied time,the amount of austenite-martensite transformation is less.This is signifi-cant for practical heat-treating of precision gauges and tools for which dimen-sional stability is important and high temperature tempering may not be de-sirable for hardness consideration.

用电阻法研究了含1.43%Cr,1.02%C的滚珠钢在室温到马氏体点(159℃)温度范围内奥氏体等温转变过程。结果指出在这一温度范围内的等温转变是以马氏体转变的形式进行的,而不产生中温转变形式的等温转变。当样品由1100℃淬火至室温后再“上淬”至低于马氏体点的温度进行等温保持时,部分的残留奥氏体即等温转变为马氏体。根据动力学的考虑,这一转变很可能不是通过形成新的晶核,而是已有马氏体晶体的长大过程。同时,这种转变主要受已有马氏体回火过程的控制。在100℃左右长期等温保持时可以得到最大的残留奥氏体转变量。更高或更低的温度,在同一时间内转变量都较100℃左右为小,这可作为精密量具刃具实际热处理的参考。

An investigation of the kinetics of the reactions between liquid slags and carbonsaturated iron including the reduction of FeO, MnO, CrO and V_2O_3 by carbon and the desulphurization of iron leads to the conclusion that the chemical reactions come to equilibrium rapidly at the slag-metal interface, while the controlling step is convective diffusion. It has been found that the reactions are of the first order when the melt is kept in a rotational motion, caused by the use of a rotating crucible or stirrer,...

An investigation of the kinetics of the reactions between liquid slags and carbonsaturated iron including the reduction of FeO, MnO, CrO and V_2O_3 by carbon and the desulphurization of iron leads to the conclusion that the chemical reactions come to equilibrium rapidly at the slag-metal interface, while the controlling step is convective diffusion. It has been found that the reactions are of the first order when the melt is kept in a rotational motion, caused by the use of a rotating crucible or stirrer, and are of second order when the melt is kept in a stationary crucible and stirred by CO gas bubbles only. The thickness of the diffusion boundary layer δ, obtained from a treatment of Chipman's desulphurization data and Philbrook's data on the reduction of FeO, which correspond to the two fore-mentioned cases respectively, has been found to be inversely propertional to ω~(1/2), the square root of the angular velocity, and C_(FeO), the concentration of FeO in the slag phase.The present problem has been treated on the basis of the principle of convective diffusion across a solid-liquid interface according to Levich. It has been found that our findings can be satisfactorily explained by an application of this principle. An exceptional case is the reduction of SiO_2 from slags, which is probably controlled by interfacial chemical reaction.

总結了渣鉄間碳还原反应,包括FeO,MnO,CrO,V_2O_3的还原和铁液中脫硫。可以认为界面上化学反应很快达到平衡,而整个反应的控制步驟是对流扩散。发現反应級数,在熔体处于旋轉运动(用旋轉坩堝或旋轉攪拌棒)下为一級,处于仅由CO气泡攪动(用靜止坩堝)下为二級;处理脫硫和FeO的还原数据的結果表明,在上述两种情况下,扩散界面层厚度δ分别和轉速ω~(-1/2)和浓度C~(-1)成比例。討論了固液界面上对流扩散原理在渣铁间碳还原反应中的应用,可以滿意地說明上述規律性。对于SiO_2的碳还原反应,根据現有实驗結果,尚不能肯定对流扩散的作用,可能此反应受界面化学反应所控制。

The high temperature deformation of Al-3% Mg and Al-6% Mg alloys has been investigated by differential tensile tests. The activation energies, activation volumes and frequency factors at different temperatures have been obtained. The controlling deformation mechanism in the temperature range 250-400℃ is proved to be possibly due to the non-conservative motion of jogged screw dislocations. The deformation equation is

用变温变速的拉伸试验,研究了Al-3%Mg和Al-6%Mg合金的高温变形行为,求得各温度下的激活能、激活体积和频率因子等。证明在250—400℃温度范围内,铝-镁合金变形机构可能是带割阶的螺位错作非保守性运动,变形方程为 ε=Nι_jb~2zAVexp{-(△H_s-ι_jb~2τ/kT}。然后计算得到两种合金在不同温度下的割阶间距ι_j,运动位错密度ρ=Nι_j,割阶密度N以及位错速度等数值。

 
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