电弧

The perfectly designed square-wave insures the stableness and concentration of electric arc .

设计理想的方波电源，确保了电弧的稳定和集中。

The parameter of the model can be obtained by measurement and statistical method.

在建模过程中所需要的参数通过对实际系统中的电弧炉进行实测，用统计数据得到。

The plant of Shanghai Dalong Hot-work Engineering Co.,Ltd is equipped with two sets of 5T Arc Furnace,one set of 15T vacuum refinery furnace,one set of 15T vacuum degassing VD installation,5T electrohydraulic hammer,3T steam hammer,1T, 560KG,250KG air hammer and over 30 sets relevant supplementary equipments of machinery process equipments,hot-work and non-destructive damage detection equipments.

上海大隆热加工工程有限公司的生产厂，拥有5T电弧炉二台套、15T德国产VODC真空精炼炉一台套、15T

This technology maintains the torch at a constant stick-out distance, so you get uniform results around the circumference of the weld.

此技术让焊炬保持一个固定的电弧长度，使管道外焊缝有一致的品质。

Strip beam method and CCD optical sensor is used in this system.

系统采用条形光传感方法，选用CCD 等光学器件组成焊缝图像传感系统，然后将获取的焊缝图形信息进行识别处理，获得焊接电弧与焊缝中心是否偏离、偏离方向和偏离程度的处理结果。

Mechanical and tribological behaviors of these submicron films were investigated and interpreted.

采用真空磁过滤等离子电弧沉积的方法在9Cr18钢上沉积不同厚度的DLC膜。

The taphole of UHP-EAF should stand severe molten steel corrosion, slag erosion, oxidation and temperature change during operation.

超高功率电弧炉出钢口在使用过程中要经受钢液的冲刷、渣液的侵蚀、氧化和温度的剧烈变化。

In the occurrence of arcs discharges, spark discharges and corona discharges, sulfur hexafluoride (SF6) would be decomposed to complicated byproducts such as carbon dioxide (CO2), carbon tetrafluoride (CF4), etc.

六氟化硫（SF6）气体在电弧、电火花和电晕放电的作用下会发生分解，产生二氧化碳（CO2）、四氟化碳（CF4）等分解产物。

It was presented an adaptive fault circuit selection method based on transient current .

在分析小电流接地系统单相电弧接地故障时各线路零序暂态电流特征的基础上，提出一种基于暂态电流的故障选线自适应方法。

Troilite, rare on earth but a common mineral found in meteorites, was synthesized by arc-discharge method for the first time.

首次用电弧放电法合成出在地壳中罕见而在陨石中却常见的矿物——陨硫铁。

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。