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Electrical resistance and inductive reactance of the welding circuit are also taken into account. Besides, the temperature-dependent electrical, thermal and mechanical properties of materials as well as the water-cooling and air-cooling conditions are considered in detail.

该模型还第一次包括了焊接回路电参数的影响，此外，模型中还详细考虑了各种随温度变化的材料电、热物理性能及力学性能、电极水冷、表面空气散热的影响等，使得模型更加符合实际情况。

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。

The recognition method of circuit drawing plotted by AutoCAD is proposed It uses the topological graph to describe the electrical symbol s drawing and adopts the isomorphic graph algorithm to recognize the electrical symbols, meanwhile,the circuit wires are also recognized It can recognize the circuit drawing automatically with high accurac

提出自动识别使用AutoCAD绘制电气原理图的方法该方法利用拓扑图表示电气符号，采用图的同构算法识别电气符号，并在识别出电气符号的基础上识别电路线该方法能够以较高的准确率自动识别电气原理

This course will cover: fundamental electrical circuit quantities, and circuit elements; circuits laws (Ohm law and Kirchhoff voltage and current laws); series and parallel connections of circuit elements; operational amplifiers; network theorems; nodal and mesh analysis methods; analysis of natural, step response, and response to sinusoidal input of first and second order circuits; phasor analysis; introduction to computer emulation to electrical circuit.

中文简介：本课程将覆盖以下内容：电子电路的基本原理，电路元件，基本电路定律(欧姆定律，基尔霍夫电压定律和基尔霍夫电流定律)；电子元器件的的串连和并联；运算放大器；网络理论；节点分析法和网孔分析法；一阶电路和二阶电路的普通信号，阶跃信号及单音信号的响应特性的分析；矢量分析法；并介绍计算机电路仿真的相关知识。

Products: electrical categories are: power plant equipment, high-pressure sulfur hexafluoride, outdoor vacuum circuit breakers, power transformers, transformer, lightning arrester, fuse, isolating switch and various electrical components.

经营产品：电器类有：电站设备、高压六氟化硫、户外真空断路器、电力变压器、互感器、避雷器、熔断器、隔离开关及各种电器元件。

By analyzing forces on a single tyre and adhesive performance on whole forklift,a relation of adhesive coefficients to sliding direction is set up,rub coefficients and adhesive limit are analyzed,a relation of multi-directional electrical forklift static stability to its adhesive performance is set up,a method judging un-stability of a multi-directional electrical forkl.

为了研究万向电动叉车的静态稳定性，通过对单只轮胎受力、整车附着性能进行分析，建立了附着系数与滑动方向间的关系，提出了用静态区域图判断万向电动叉车失稳的方法，得到了整车下滑坡度角随方向角变化的关系曲线。

Storage battery is emergency power supply of DC operation electrical source system in electrical power system, whose good work state, is great important to operation of fixture. Because individual storage battery quickly abates due to dry, heat, polar plate lithification, weeping, lack charging, excessive discharging, internal resistance increasing, capability reduction, explosion etc., heavy accident of electric network impossible occur.

蓄电池是电力系统直流操作电源系统的后备电源，它的工作状态好坏，对于设备的运行至关重要，由于运行中个别蓄电池会因干涸发热、极板岩化、漏液、欠充、过放、内阻增大、容量降低、爆炸等原因而迅速失效，极有可能造成电网的重大事故。

On the traditional electrical property parameter apparent resistivity curves, besides compact fine sandstone, igneous rock and limestone have obvious high-ohmic anomaly, there are no obvious electrical property difference between coal and wall rocks, the curve almost show itself a straight line; self-potential log also can hardly to reflect regularities.

常规的电性参数视电阻率曲线除致密的细砂岩、火成岩及灰岩有明显的高阻异常反映外，煤与围岩无明显的电性差异，曲线几乎呈一条直线；自然电位参数曲线反映规律性也较差。

The reasons of low voltage in the electrical network, and harm to the electrical equipments are analyzed.

分析了电网中出现低电压的原因以及低电压运行对线路电气设备的危害，有针对性地提出了预防低电压运行的各种措施。

The read gap, which is the distance between the first and second magnetic shields is thus reduced as compared to the prior art by the thickness of the electrical leads and the thickness of the prior art second insulation layer formed between the electrical leads and the second magnetic shield.

因此，与现有技术相比减小了作为第一和第二磁屏蔽件之间的距离的读取间隙，减小的幅度为电引线的厚度和形成于所述电引线和第二磁屏蔽件之间的现有技术第二绝缘层的厚度。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。