查询词典 electric arc process

The model can be used to simulate network and substation including arc furnace and can take the place of traditional linear electric arc voltage model.

仿真结果表明，本文所提出的模型适用于电弧炉供电系统的电压波动的研究，可以代替传统的线性电弧电压模型。

Arc fault is a major cause of the electric fire, detecting on the arc fault comprehensively and effectively is the study of this article.

故障电弧是造成电气火灾的重要原因，实现全面而有效的对故障电弧的检测是本文的研究内容。

The important influencing factors for SWNTssynthesis using electric arc are studied, such as ratio of catalyst, current intensity for arc,presure of noble gas and catalysts variety.

探讨了催化剂种类、催化剂配比，助长剂的添加及打弧电流等因素对合成的影响。

After the analysis of weld electric arc message, the variation laws of keyhole effect in plasma arc welding have been understood.

本文对等离子弧的电压信号和声音信号进行了深入地研究，首次使用电弧电压信号和声音信号定量地识别了&小孔效应&的变化。

The gun body of vacuum plasma welding chamber for titanium and titanium alloy imported from Germany has been reformed based on the principle of compression effection of plasma arc and stability of electric arc.

为了满足大尺寸钛及钛合金电极的焊接要求，宝钛集团有限公司依据等离子弧的压缩效应原理及电弧的稳定性原理，对从德国引进的钛及钛合金真空等离子焊箱枪体的阴极和喷嘴进行了技术改造。

The gun body of vacuum plasma welding chamber for titanium and titanium alloy imported from Germany has been reformed based on the principle of compression effection of plasma arc and stability of electric arc.

改造后，不仅提高了电弧的稳定性，而且也扩大了电极的焊接尺寸。

A Rotary Arc Gap－switch in axial magnetic field is designed and built with high voltage, high current, large charge transfers, slight electrode erosion and long lifetime. The magnetic field, electric field distributions and move mechanism of the arc in axial magnetic field are studied.

为了满足高电压、大电流、高电荷转移量、电极烧蚀小、寿命长的要求，文中设计了一个由轴向磁场控制的旋转电弧间隙开关，研究了其电磁场分布及轴向磁场下电弧的运动机制，并进行了初步实验。

a kind of design project of multifunction electric power quality gauged instrument based on virtual instrument is put forward in this article.this system integrates virtual instrument programming and power electronics together,to realize diverse signals of current electric power quality field allin one.the integrated signal generator unit which carries out the collection of high speed digital data,d/ a conversion and analog output in four channels,unsymmetrical synchro control fifo etc.by fpga are introduced,the flow of electric power system various signal which generates by vc programming is elaborated,and the structural design of signal amplification unit is analysed.the experiment text result shows that this gauged instrument has attained current advanced high grade of accuracy and it will accelerate the steps of electric power quality calibration because of its accuracy and versatility.

摘 要：提出一种基于虚拟仪器技术的多功能电能质量标定仪的设计方案，采用虚拟仪器编程技术和电力电子技术相结合实现集目前电能质量领域的多样信号于一体。介绍采用fpga实现高速数字量采集、d/a转换及4通道模拟量输出、非对称同步控制fifo等的集成信号发生单元，阐述利用vc编程实现的电力系统多样信号的产生流程，分析信号放大单元的结构设计。实验测试结果表明该标定仪达到目前先进的高精度等级，由于其准确性和多功能性将加快电能质量标定的步伐。

Main products: electric refrigerator mould , television mould, computer mould, electric fan mould, electric iron mould, electric radiator mould, auto tools mould, washer mould, air conditioner mould, automobile net and bumper bar, motorcycle mould, drinking machine mould, plastic furniture, medical equipment and daily family plastic products and office plastic products and its correlation plastic fittings and some blow mould and plastic products.

电冰箱、电视机、电脑、电风扇、电熨斗、电热器、电动工具、洗衣机、空调、汽车中网和保险杆、摩托车、饮水机、桌椅、医疗器材、日常家庭塑料制品和办公塑料模具及制成品及其相关塑料配件。特色产品：电镀塑料件、气辅塑料件、贴模注塑件等。

In the space filled with dielectric, Coulomb's law should be: F = kQ1Q2r2.V in the electric field generated dielectric polarization bound charge and bound charge generated within the medium electric field, and external electric field in the opposite direction, so to diminish the external electric field.

在充满电介质的空间里，库仑定律应为：F＝kQ1Q2r2.V在电场作用下电介质极化产生束缚电荷，束缚电荷在介质内部产生电场，与外电场方向相反，所以使外电场减弱。

It was just a normal day of school

那只是上学的普通一天

Which is a very good reference in this issue.

这是一个在这个问题上很好的参考。