查询词典 arc-weld

The previous research mainly depends on the arc voltage to estimate the arc position, and testing the dielectric recovery strength, and reignition process to judge the ability of arc extinguishment.

以往的研究工作主要根据电弧电压波形来判断电弧大概的位置，利用介质恢复强度测试和大量的重燃试验来判断低压电器的熄弧性能。

Glass and its products: watches and glasses presenting arc, curved and concave shape, glass without optics-processing presenting arc, blending and concave shape and some unlisted and without optics-processing but presenting arc blending and concaved shape.

玻璃及其制品：呈弧面、弯、凹等形的钟表、眼镜，其他未经光学加工呈弧面、弯、凹，未列名未经光学加工呈弧面、弯、凹等形玻璃。

Position of flux strip in its constricting arc is the key to constrain arc,which decides the heating characteristics of arc.

焊剂带遮电弧中的位置是约束电弧的关键，并决定着电弧的加热特性。

Fatty acids arc the main contents, unsaturated fatty acids arc Particularly high contents, and the majority arc atone than 90%, the major of unsat orated fatty acids are oleic acid and linoleic acid, fruits were also rich in protein, carbohydrates, minerals, vitamins and various amino acids required for human.

其果实内含物以脂肪酸类为主，不饱和脂肪酸含量极高，多数可达90%以上，主要成分是油酸、亚油酸等，并含有丰富的蛋白质、糖类、矿物质、维生素及人体所需的各种氨基酸。

The experiment of the auxiliary heated arc plasma generator shows that thekey arc root has contraction under the condition of having magnetic field when thekey arc root is at the edge of the cathode surface.

在辅助加热电弧等离子体发生器的实验中看到：在有外磁场的情况下，主弧弧根在阴极边缘时，弧根有收缩的迹象，而当主弧弧根在阴极中心附近时，观察不到明显的弧根收缩迹象，并拍摄到有双弧柱的图片；当关掉磁场和弧电流〓时，主弧在阴极和阳极之间稳定的燃烧，主弧弧根稳定在阴极中心附近的一点上，而且弧根没有收缩的迹象，主弧弧根亮区的直径约为6.8毫米，与弧柱段的亮区直径相差无几；因而从实验结果分析可以看出，阴极表面温度的升高，能使主弧弧根直径增大：另一方面，由于主弧弧根直径的增大(即也意味着主弧弧根截面积的增大)，因而使电弧通过主弧弧根传入阴极表面的有效比热流降低，从而减少了阴极烧损。

In summary, this dissertation has made contribution to welding arc physic knowledge, discovered the respective spectrum signal features of each kind metal transfer mode, put forward an new approach for detecting droplet transfer in metal gas arc welding and provided enough theoretical and experimental guidance to the further research, meanwhile, it has also predicted the applications of arc spectrum information in other fields.

总之，本文的工作充实了焊接电弧物理和电弧光谱信息的知识内容，提出了熔化极气体保护焊熔滴过渡传感和检测的新手段，发现了各种熔滴过渡的多方面光谱特征，为熔化极气体保护焊熔滴过渡的研究和过程控制领域的开拓，为新型电弧传感器的开发，奠定了理论、实验和技术的基础，同时也预示了电弧光谱信息在其它领域应用的可能。

A computerized welding arc spectrum information sampling and processing system are developed to study of the ultraviolet spectrum distribution feature. Corresponding softwares also is developed. A process for sampling the ultraviolet spectrum automatically and the real-time monitoring of welding parameter are realized. based on the principles of the physics of arc and spectroscopy the information of welding arc ultraviolet spectrum sampled is changed and processed.

焊接电弧紫外光谱信息的计算机采集与处理系统*韩国明吴钊柳刚云绍辉李俊岳摘要以焊接电弧紫外光谱的分布特征为研究对象，研制了一套焊接电弧紫外光谱计算机采集与处理系统并开发了相关软件，实现了紫外光谱采集过程的自动化、焊接电流与电弧电压的实时监测，并在电弧物理和光谱学原理的基础上，对采集的焊接电弧紫外光谱信息进行变换和处理。

This system which can do correlation analysis among vacuum arc imagine, light intensity spectrum density, electron density, vacuum arc voltage, vacuum arc current has a series of properties like synchronous exposure, high sampling speed, good quality with comparatively low price, strong functional software, friendly user's interface and so on.

本课题研制成功了真空电弧动态图象高速微机采集系统，该系统具有同步曝光、采样速度快，性能价格比高，软件功能强，用户界面好等特点，该系统可对瞬时的真空电弧形态，光强密度，电子密度，电弧电压，电弧电流进行相关分析。

I plant the production of welding equipment and cutting equipment SCR rectifier arc welder, SCR DC argon arc welding machine, AC arc welder, air plasma cutting machine and carbon dioxide gas shielded welder six series, more than 20 varieties.

我厂生产的焊接设备和切割设备可控硅整流弧焊机、可控硅直流氩弧焊机、交流弧焊机、空气等离子切割机和二氧化碳气体保护焊机等六大系列，二十多个品种。

Nebula Series digital inverter welding machine Products include: manual welder, argon arc welding machine DC pulse argon arc welding machine, argon arc spot welding, melting pole gas shielded welding machine, gas shielded MIG pulse welding machine and six functional welding machine more than 30 varieties.

Nebula系列数字化逆变焊机产品有：手工焊机、直流氩弧焊机、脉冲氩弧焊机、氩弧点焊机、熔化极气保焊机、熔化极脉冲气保焊机及六功能焊机等30多个品种。

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。