查询词典 arc-weld

During the interruptering circuit process of MCCB, two phenomena exist: electric arc back strike and arc restrike.

在塑壳断路器开断过程中存在着两种现象，电弧背后转移和过零重燃现象，这两种现象都影响着断路器的开断过程，并且都与灭弧室内电场分布有关。

For pitting surface of LY12 at different humidity in marine atmosphere, Nyquist Graph was single arc of capacitance resist and the shape of arc was identical with retractile real part.

其厚水膜高Cl-自腐蚀体系的Nyquist图是实部收缩的单一容抗弧。

Thus, the spherical-crown and saddle-shaped surfaces were demonstrated. Consequently, the basic rules and key technology of bending forming using plasma arc in practical work were obtained and the application level of the flexible forming using plasma arc had been further improved. The effects of the main parameters including power, scanning speed, scanning distance and scanning sequence had been investigated.

对成形中出现的棱角效应进行了机理分析和数值计算，结果表明棱角效应是板材沿扫描线方向受几何约束产生了较小的压应变及在扫描线上、下表面的收缩量不同所造成；提出了通过分段扫描解决棱角效应的方法，明显提高了成形质量。

When the welding current is added, on the one hand,the section of arc will more or less increase, so the fusion width will increase; on the other hand, the depth of arc crater will increase.

焊接电流增加时，一方面是电弧截面略有增加，导致熔宽增加，另一方面是电流增加促使弧坑深度增加。

The effects of arc unstable, arc characteristics and commutating circuit parameters on the process of self-excited oscillation in current commutation are discussed in detail.

理论分析和模拟计算的结果说明了不同的开断装置电弧特性和转移回路参数对自激振荡过程的作用，为高压直流断路器转移回路的参数设计提供了有效的分析和计算工具。

The morphologies and microstructures of the cathode deposits prepared by self-sustained arc discharge between graphite rods under different conditions were investigated by means of SEM and TEM,and the relationship between the morphologies and microstructures of the carbon nanotubes and the different conditions of arc discharge was obtained.

通过实现不同条件下的电弧放电，用扫描电子显微镜和透射电子显微镜对阴极沉积物中碳管的形貌和微结构进行表征，得到碳管的形貌和微结构与放电条件之间的一些对应关系。

Then,to design the self burned out electric arc circuit breaker,conclued computing theparameter about burned out arc room , isolated constuction ,shuting up electric brake and shunt winding condenser,sealing up construction.

接着，对110kV自能吹弧式断路器进行设计，设计包括灭弧室各项参数的计算、绝缘结构的设计计算、合闸电阻及并联电容器的设计计算以及密封结构的设计计算。

A series of counting formulas for circle simple arc two bounds combination and circle double arc two bounds combination were obtained.

提出了有关环状单弧限距组合及环状双弧限距组合的一系列计数公式。

Arc welding power source is important part of welding system. It is difficult to effectually evaluate dynamic characteristic of arc welding power source in the field of welding.

弧焊电源是焊接系统的重要组成部分，将直接影响焊接过程的稳定性及焊接工艺性能。

The structural features and functions of V-type drafting system on spinning frame arc analyzed, Based on production practice and comparative tests, some important parameters of drafting process arc optimized.

分析了细纱机V型牵伸的结构特点和作用，通过生产实践和对比试验，优选了部分重要牵伸工艺参数，得出V型牵伸的后区牵伸倍数仍需偏小掌握的结论，并分析了其理论依据。

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。