电弧

Nowadays, with the wide application of Arc discharge plasmas, there is a badly need for the research of it.

近年来，随着电弧放电等离子体越来越广泛的应用，对其机理及不稳定性的研究也变得越来越迫切。

The measure principles and optical paths of multi-line spectrum analysis,multi-channel radiation pyrometer,and laser speckle photography were introduced.

综述了几种电弧等离子体温度场的诊断技术，阐述了光谱多线解析法、多通道辐射高温计法、散斑照相法的测量原理和光路设计，分析比较了光谱多线解析法、多通道辐射高温计法、散斑照相法等方法的优缺点。

The development of arc spraying system is introduced in this paper,which consists of main power supply ,spray gun and wire feeding unit.

电弧喷涂设备由喷涂主电源、喷涂枪和送丝机构3部分组成。

There are two vacuum plating methods. One is CVD. The other is PVD. PVD includes evaporation plating (arc, electronic gun and resistance wire) and sputtering plating (DC magnetron Mid-frequency and RF).

真空镀膜技术中经常使用的方法主要有：蒸发镀膜（包括电弧蒸发、电子枪蒸发、电阻丝蒸发等技术）、溅射镀膜（包括直流磁控溅射、中频磁控溅射、射频溅射等技术），这些方法统称物理气相沉积，简称为PVD。

In addition, the large difference of melting point between rare-earth metal oxide and W matrix produce another problem that machining ability becomes deteriorated.

传统W-ThO，阴极材料在电弧等离子技术中的统治地位尚未动摇，而电极烧蚀和性能不稳定等问题依然存在。

The Company QG chromium carbide hardfacing composite plate, using welding or brazing with metals produced by automatic arc welding alloy powder to add new process methods, the formation of hypereutectic high chromium multi-element alloys superhard wear-resistant layer, can significantly improve easy to wear pieces of equipment and steel production life.

本公司QG碳化铬耐磨堆焊复合钢板，采用焊丝或焊带产生的金属电弧添加粉末合金自动堆焊新工艺方法，形成过共晶高铬多元素合金系超硬耐磨层，可大幅提高易磨损设备及钢板制作件的使用寿命。

An arc is struck between the two, and the heat, which is generated, melts the metal at the weld.

电弧在这两个电极之间产生，所产生的热量使焊缝处的金属熔化。

An arc is struck between the two, and the heat, which is generated, melts the metal at the weld.

电弧在这两个电极之间发生。所产生的热量使焊缝处的金属熔化。

Using this method, the circuit can be operated without voltaic art and impact current through power electronic AC switch and the switch can be monitored and protected by microcomputer device.

它通过交流电力电子开关实现电路的无电弧、无冲击性操作，同时通过微机装置对开关进行监控和保护。

The companies use the coating technology for the world's leading technology, quality filter cathodic vacuum arc as FCVA coating technology is an international advanced coating technology.

本公司所运用的镀膜技术为全球领先技术，采用滤质阴极真空电弧镀膜技术简称FCVA技术是一种国际上先进的镀膜技术。

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。