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   脉冲旋转 的翻译结果: 查询用时:0.249秒
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脉冲旋转
相关语句
  pulsed rotating
     Mechanical Analysis on Rotation Mechanism at Molten Metal Tip During Pulsed Rotating spray Transfer in MAG Welding
     MAG焊脉冲旋转喷射过渡时液锥旋转机制的力学分析
短句来源
     The kinetic and dynamic parameters of molten metal tip at the wire end during pulsed rotating spray transfer were surveyed by means of the technique of high speed cinematography and motion data processing system in this paper.
     通过高速摄影技术和影片运动数据处理系统,测定了脉冲旋转喷射过渡时焊丝末端液锥的运动学与动力学参数,同时计算出焊丝末端液锥上承受的径向力和切向力。
短句来源
     By means of High Speed Camera(HSC) in MAG welding with Ar+O 2 shielding gas when forming of the pulsed rotating spray transfer, the weld arc and the droplet transfer characteristics have been observed.
     通过高速摄影方法,观察分析了在Ar+O2混合气体熔化极脉冲焊中形成旋转喷射过渡时的电弧形态和熔滴过渡形态。 结果表明:当形成脉冲旋转喷射过渡时,熔滴呈液流束的形式向熔池过渡;
短句来源
  “脉冲旋转”译为未确定词的双语例句
     the high current value and easy forming for spinning spray transfer are obtained with Ar+2%O2gas mixture and on the contrary with Ar+20%CO2 gas the spinning spray transfer are not.
     Ar+20%CO_2的脉冲电流最低,不能形成脉冲旋转喷射过渡.
短句来源
     The arc Volt-Amp characteritics and the critical welding parameters forming pulsed rotating-spray transfer(PRST) in MAG welding with Ar+O 2 and Ar+CO 2 shielding gas were studied.
     研究了直流反极性脉冲MAG(活性气体保护)焊在不同配比的Ar+CO2,Ar+O2时,电弧的静特性、脉冲参数以及形成脉冲旋转喷射过渡临界规范值的变化。
短句来源
     New Hot Metal Desulfurization Method With Impulse and Rotary Stirring-Injection
     脉冲旋转搅拌喷吹铁液脱硫新工艺实验研究
短句来源
     In the paper there are discussions about how the rotated angle error is overcame bycomposite pulse methods of rotating frame in order to measure T_1 with higher precision.
     文中还讨论了用复合脉冲旋转坐标框架方法,克服磁化矢量旋转角度的误差,以提高测量精度。
短句来源
     It is indicated that if the choosed peak value of pulsed current is higher than the transition current(critical current)of continuous rotating spray transfer,the characteristics of metal transfer may change from pulsed axial streaming transfer to pulsed rotating-spray transfer with the continuous increase of pulse energy,simultaneously, the changes in are phenomena and shapes of weld will take place also,for example,weld width and wire feed speed will increas suddeuly.
     试验结果指出:如果选定的脉冲峰值电流值高于连续旋转喷射过渡的转变电流值,随着脉冲能量的不断增大,熔滴过渡特性将从脉冲轴向射流过渡转变为脉冲旋转喷射过渡,同时焊接电弧现象和焊缝成形等亦发生变化,例如焊缝熔宽与焊丝熔化速度会突然的增大。
短句来源
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  相似匹配句对
     The Rotary Specimen Rack for Pulsed Reactor
     脉冲旋转样品架
短句来源
     LXMC Baghose Precipitator with Rotation,Low Pressure and Pulse
     LXMC旋转低压脉冲袋式除尘器
短句来源
     Pulse Nickl-plating
     脉冲镀镍
短句来源
     Nickel Plating with Pulsed Current
     脉冲镀镍
短句来源
     Spin Control
     旋转控制
短句来源
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  pulsed rotating
Cellular spinning in pulsed rotating electric fields
      


The measurement of nuclear spin-lattice relaxation time T_■ using thedriven recovery method is described theoretically with concrete experiments and discussed minutely in this paper.There are 90°—[τ—90°,180°,90°]_n,180°—[τ—90°,180°,90°]_n pulse seguences used in the method.The major advantages are thatthe measurement of T_■ using the method has faster measurement velocity,moreeconomic in time and more precise than that of general methods.The method is suitable for T_■ measurement of long spin-lattice relaxation...

The measurement of nuclear spin-lattice relaxation time T_■ using thedriven recovery method is described theoretically with concrete experiments and discussed minutely in this paper.There are 90°—[τ—90°,180°,90°]_n,180°—[τ—90°,180°,90°]_n pulse seguences used in the method.The major advantages are thatthe measurement of T_■ using the method has faster measurement velocity,moreeconomic in time and more precise than that of general methods.The method is suitable for T_■ measurement of long spin-lattice relaxation time T_■ and long spin-spinrelaxation time T_2 samples.The exponential recovery process of the nuclear magnetization along z axle(the direction of constant magnetic field H_0)can be observed.In the paper there are discussions about how the rotated angle error is overcame bycomposite pulse methods of rotating frame in order to measure T_1 with higher precision.The method is not suitable for the nuclear T_■ measurement of cach line ofthe high resolution spcetrum.

本文对强迫恢复法测量原子核的自旋晶格弛豫时间T_1进行了理论探讨和具体实验。该方法使用的脉冲序列有90°—[τ—90°,180°,90°]_n 及180°—[τ—90°,180°,90°]_n 二种。该方法的最大优点是比一般测量T_1的方法测量速度快,准确性较高。它适用于测量自旋晶格弛豫时间T_1及自旋自旋弛豫时间T_2都较长的样品,并可观察磁化矢量在z 方向(恒磁场H_0方向)上按指数恢复的过程。文中还讨论了用复合脉冲旋转坐标框架方法,克服磁化矢量旋转角度的误差,以提高测量精度。但该方法不适用于高分辨谱的各条谱线对应核的T_1测量。

The characteristics of metal transfer,arc phenomena and shapes of weld in DCRP PC-MAG welding with pulsed rotating-spray mode are studied in this paper.It is indicated that if the choosed peak value of pulsed current is higher than the transition current(critical current)of continuous rotating spray transfer,the characteristics of metal transfer may change from pulsed axial streaming transfer to pulsed rotating-spray transfer with the continuous increase of pulse energy,simultaneously, the changes in are phenomena...

The characteristics of metal transfer,arc phenomena and shapes of weld in DCRP PC-MAG welding with pulsed rotating-spray mode are studied in this paper.It is indicated that if the choosed peak value of pulsed current is higher than the transition current(critical current)of continuous rotating spray transfer,the characteristics of metal transfer may change from pulsed axial streaming transfer to pulsed rotating-spray transfer with the continuous increase of pulse energy,simultaneously, the changes in are phenomena and shapes of weld will take place also,for example,weld width and wire feed speed will increas suddeuly.

研究直流反极性脉冲MAG焊旋转喷射过渡的熔滴过渡特性、电弧现象与焊缝成形。试验结果指出:如果选定的脉冲峰值电流值高于连续旋转喷射过渡的转变电流值,随着脉冲能量的不断增大,熔滴过渡特性将从脉冲轴向射流过渡转变为脉冲旋转喷射过渡,同时焊接电弧现象和焊缝成形等亦发生变化,例如焊缝熔宽与焊丝熔化速度会突然的增大。

The kinetic and dynamic parameters of molten metal tip at the wire end during pulsed rotating spray transfer were surveyed by means of the technique of high speed cinematography and motion data processing system in this paper. Furthermore,the diametral and tangential forces of molten metal tip at the wire end were calcutated.It is indicated that these forces bring about the rotation of the molten metal tip ,and the increase in diametral and tangential forces may be infeuenced by the enhancement in pulse energy...

The kinetic and dynamic parameters of molten metal tip at the wire end during pulsed rotating spray transfer were surveyed by means of the technique of high speed cinematography and motion data processing system in this paper. Furthermore,the diametral and tangential forces of molten metal tip at the wire end were calcutated.It is indicated that these forces bring about the rotation of the molten metal tip ,and the increase in diametral and tangential forces may be infeuenced by the enhancement in pulse energy of arc.

通过高速摄影技术和影片运动数据处理系统,测定了脉冲旋转喷射过渡时焊丝末端液锥的运动学与动力学参数,同时计算出焊丝末端液锥上承受的径向力和切向力。研究结果指出:这些力造成焊丝末端液锥产生旋转,且电弧的脉冲能增大会影响及径向力和切向力的增大

 
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