查询词典 arc

For AA8090 alloy without exfoliation , the EIS is comprised by a depressed capacitive arc at high frequency and an inductive arc at low frequency, and the inductive component weakens and also disappears with time.

结果表明，剥蚀发生之前，AA8090合金电化学阻抗谱由一个压缩的高频容抗弧和一个低频感抗弧组成，且低频感抗成分随浸泡时间延长而减弱并消失；一旦发生剥蚀，其电化学阻抗谱即由一个高频和一个低频两个容抗弧组成。

After having compared the cupola furnace with electric arc furnace on the characteristics of the process of producing spheroidal graphite cast iron steel ingot module and their application effects, the results show that it will prolong the life of steel ingot module and improve the quality of steel ingot by applying arc furnace to melt spheroidal graphite cast iron steel ingot module.

电弧炉技术在球墨铸铁钢锭模生产上的应用赵海兵任元和李梅曹志张涛摘要将冲天炉和电弧炉这两种生产球墨铸铁钢锭模的工艺特点及应用效果进行对比，结果表明，采用电弧炉冶炼球墨铸铁钢锭模能够提高钢锭模使用寿命，改善钢锭质量。关键词球墨铸铁模耗A

To improve the reliability of low-voltage electrical products, we must study various factors affecting the process of arc movement, and from the burning arc interrupter to the whole process of dynamic change.

要提高低压电器产品的可靠性，就必须研究各种因素对电弧运动过程的影响，以及从燃弧到灭弧整个过程的动态变化。

On basis of analysis of typical cases, four kinds of foreland basins were recognized:(1) subducted-collisional foreland basin;(2) retro-arc foreland basin (arc-continental collisional foreland basin);(3) intracontinental subducted foreland basin; and (4) strike-slip foreland basin.

在典型实例分析基础上，划分出四种类型的前陆盆地：(1)俯冲碰撞型前陆盆地；(2)弧后前陆盆地；(3)陆内俯冲型前陆盆地；(4)走滑型前陆盆地。

This paper mainly introduces the electrical characteristics of the Robot MOSFET Arc Welding Invertor and its arc welding technological properties. Emphases are laid on the analyses of the current and voltage wavefonns of the main circuit as well as the energy loss of the MOSFETs. The different static characteristic curves and parameters of electrical reactance are also discussed.

研究了机器人场效应管式弧焊逆变器的电气性能和弧焊工艺性能，并着重对其逆变主电路电流、电压波形、管组功耗进行分析研究，以及探讨如何采用不同形状的外特性曲线与合理设计电子电抗器的电参数，从而提高弧焊机器人对不同工件开关、不同弧焊方法的适应性，实现贫飞溅的焊接。

About the Calculation of Arc length of the Oriented Smoth Curve or Jordan;2. The experimental results show that the optimum melting voltage is 35～36 V,the reasonable arc length is 25～29 mm.

以海绵钛和中间合金压制的电极经两次熔化得到的TC11合金铸锭为原材料，采用真空自耗电弧炉，在不同的电压下熔炼3次TC11合金铸锭，研究熔化电压、弧长与TC11合金铸锭扒皮深度和扒皮量的关系。

The main production facilities are: groove machine, cutting plate machine, coiling machine, wheel planes, legislation car radial drilling machine, lathe, 25 T lane (lifting height 12 meters), 10 T lane, 5 T lane, AC-DC welder, argon Arc welding machine, the head trimming machines, carbon steel, stainless steel submerged arc welding, plasma cutting machine, elbow, etc. more than 100 sets of equipment.

主要生产设备有：坡口机、剪板机、卷板机、滚轮架、立车、摇臂钻床、车床、25T行车（起吊高度12米），10T行车、5T行车、交直流焊机、氩弧焊机、封头切边机、碳钢、不锈钢埋弧自动焊机、等离子切割机、弯管机等100多台套设备。

Of the change in the angle of a tangent that moves over a given arc to the length of the arc.

曲''。'率'。''切线通过给定弧线的角度变化与弧线长度之间的比率

2The ratio of the change in the angle of a tangent that moves over a given arc to the length of the arc.

曲率：切线通过给定弧线的角度变化与弧线长度之间的比率

This phenomenon is located in the Gulf of Venezuela, Maracaibo Kata Map Mbo river mouth, which is the Cloud Layer between cloud lightning, in the 5 km altitude to form a voltage arc, each successive 140-160 a night, every night for 10 hours or so, the arc voltage per hour to 280 times the usual intensity.

该现象位于委内瑞拉马拉开波湾的卡塔图姆博河道口，这是云层对云层间的闪电，在5千米高空处形成一个电压弧，每年持续140-160个夜晚，每晚持续10个小时左右，其每小时的电压弧强度是平时的280倍。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。