电弧

With morphology characteristics of erosion concave of Ag and Pd contact materials in nitrogen and air being compared, influence on erosion, welding and breakdown voltage of contact for nitrogen and SF_6 being analyzed, influence on contact for the formic acid, toluene, carbinol and distilled water being analyzed, it was showed that the influence on performance parameters of relay contact for various atmospheres is very com...

通过比较触头材料Ag和Pd分别在氮气和空气中侵蚀凹坑的形状特征，分析了氮气和SF6等气氛对触头侵蚀、熔焊、耐压的影响，及甲酸、甲苯、甲醇、蒸馏水等对触头的影响，表明各种气氛对继电器触头性能参数的影响十分复杂，该影响涉及对电弧运动规律的影响和与材料的化学反应。

Arcing at the tower will carbonize the cable boot , which if it is connected to a new ignition coil, will cause the coil to fail.

椿上的电弧会使线圈的根部烧焦，如果它被连接至新的点火线圈，将会损坏线圈。

A new method for seam tracking using image centroid in gas tungsten arc welding is presented.

研究一种基于图像质心识别的电弧焊焊缝跟踪新方法。

According to the systematic experiments research on piccolo injector plasma generator, the comprehensive experimental character of plasma generator is summarized with different conditions.

运用设计的方法和理论依据，设计出了可用于电热化学发射实验的几种中心电弧等离子体发生器，如A2、A1型、B型和C型。

Based on the characteristic of GMAW arc spectrum, the method of the direct pool vision detection was proposed.

中文摘要：针对熔化极富氩气体保护焊接电弧光谱特点，设计了直接视觉检测法用于熔池图像的检测，获得了清晰的熔池图像。

To solve the problem the method of vector orthogonalness of characteristic harmonic was developed.

同时研制了新的电弧高速扫描系统。

According to the physical mechanism, the interrupting process of the low voltage circuit breaker is analyzed.

以磁流体动力学为基础，提出了一种低压断路器的电弧等离子体动态数学模型。

The results of the experiments and the numerical analyse coincide to each other well.

试验结果与采用电弧数学模型计算的结果能够较好地吻合。

The results show that columnar center zone was observed in the tri- mixed gas arc shape.

结果表明，三元混合气体的电弧形态中可观察到柱状中心区。

In order to solve the application problem of conduction heating machining, this project investigates some problems, such as dynamic characteristics of heating power, features of circuit current and voltage, arc discharge states and so on. It also studies control characteristics of Uni-phase or Tri-phase Direct Current Power Supply and Inverse Switch Power Supply. A High Frequency Inverse Switch Commutate Power Supply is developed.

为了解决导电加热切削的应用问题，从加热电源的动态性能和回路的电流、电压特性及电弧放电状态等方面进行研究，分析比较了单、三相交直流电源和逆变开关电源的特点和控制特性，研制了高频逆变开关整流电源。

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。