电弧

This force has several causes and some deep-going work on the arc repulsive force has been done.

对于目前研究甚少的电弧斥力进行了较为深入的分析。

By means of these devices, ion density and its distribution are measured.

通过这一研究，解决了脉冲电弧离子密度的测量问题。

Performance: The metallurgical-used Sic Deoxidizer from our company can make save electricity, reduce pollution and improve the performance of steel, which is a new materials to improve overall economic efficiency with high practical value and economic value.

性能特点、用途：我厂生产的冶金专用碳化硅过脱氧剂能使电弧炉炼钢节约电力、减少污染、改善钢的性能、提高综合经济效益的一种新材料。具有极高的实用价值和经济价值。

The Fe57-xCo18Nb4Al2Si4B15Smx(x=0-3) amorphous alloy ribbons were prepared byvacuum arc melting and melt spinning. The influences of Sm addition on the glass forming ability, thermal stability, crystallization behavior and magnetic properties of Fe57-xCo18Nb4Al2Si4B15Smx amorphous alloys were studied by X-ray diffraction, differential thermal analyzer and vibration sample magnetometer survey.

摘 要：采用真空电弧熔炼和真空熔融甩带法制备Fe57-xCo18Nb4Al2Si4B15Smx(x=0~3)非晶合金，借助X射线衍射、差热分析以及振动样品磁强计等手段研究稀土元素Sm对制备合金的非晶形成能力、非晶热稳定性、非晶晶化行为以及磁性能的影响。

Theoretic analysis as well as experimental data indicates that the even dispersion of Ni in Ag matrix increases the viscosity of melting liquid, which impedes favorably splashing of fused mass.

理论分析和实验数据表明，细小的Ni在银基体内的均匀分布提高了熔融体的粘度，有利于阻止电磁力作用下液体的飞溅，提高了触头的抗电弧侵蚀能力。

Main problems that should be noticed in using DRI in EAF steelmaking process are summerized.

分析了直接还原铁迅速发展的原因，简要介绍了主要的直接还原工艺，指出了我国发展直接还原铁的方向，总结了电弧炉炼钢使用直接还原铁应注意的主要问

It is an advanced welding tec hnol ogy to solve welding spatters of titanium alloy pressure vessels. Such a w elding method is held in vacuum condition and with a little argon gas through a hollow cathode to start a arc.

这是为解决钛合金容器焊接存在的飞溅问题而发明的一种先进的焊接工艺方法，在真空条件下，采用管状空心阴极，通入少量氩气，从而引燃电弧进行焊接。

Research on the harmonic analysis of arc furnace electric system based on frequency domain method is made.

文中对电弧炉电气系统谐波分析的频域方法进行了研究。

Research on harmonic analysis of arc furnace electric system based on frequency domain method.

电弧炉电气系统谐波分析的频域方法研究。

They can reduce partial pressure of H2 in electric arc and source of H2 in pool.

四种活性剂都能降低电弧中氢的分压，减少熔池中氢的来源。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。