查询词典 conductor

The influence of power conductor position on lightning protection was discussed based on the movement of the power conductor due to wind.

在考虑导体风偏的基础上讨论了导线位置对雷电绕击的影响。

When lightning strikes a phase conductor of transmission line, the current will encounter the surge impedance of the conductor so that overvoltage will be built up and propagate to the substation along the transmission line in wave form.

当雷电击到输电线路的相导线上，电流遇到导线的波阻抗，这样就产生过电压，并以波的形式沿线路传至变电站。

It can reduce the numbers of lightning accidents after sing of the overhead insulating conductor, but the accident of overhead insulating conductor broken by lightning stroke still happens from time to time.

采用架空绝缘导线后，可以大大降低雷害事故发生次数，但是在实际运行中架空绝缘导线雷击断线的事故却时有发生。

Disclosed is a clamping device for connecting a conductor without stripping the insulation. Said clamping device comprises a housing (14) and an actuating part (22) which is movably mounted therein and is provided with a duct (26) accommodating the conductor (50) that is to be clamped.

本发明涉及一种用于电导体(50)的未剥除绝缘层的接头的夹具，包括一个壳体(14)和一个在一个容纳位置和一个接触位置之间可运动地支承的操作件(22)，该操作件具有一个容纳待夹紧的导体(50)的通道(26)。

According to what graph 2 shows, conductor is still, uniform static magnetic field moves to the left at the speed of , referring to in graph 1 can get , substitute it into Lorentz magnetic force , it is , the negative sign here is not added randomly, it is because the moving direction of magnetic field is opposite to the moving direction of conductor.

如图2所示，导体是静止的，均匀的静态磁场以速度向左边运动，对照图1的，就得，带入洛伦兹磁力中，有，这里的负号不是随意加进去的，而是由于磁场的运动方向与导体的运动方向相反之缘故。

A material obeying ohm's law is called an ohmic conductor or a linear conductor.

凡是遵守欧姆定律的材料，都叫做欧姆导体或线性导体。

On the basis of the calculation of the internal self conduction of a long round shaped conductor,the characteristic and the adapability of the three kinds of calculation methods are introduced in this paper,which can caculate the self inductance of conductor with a section.

以圆柱导体的内自感系数的计算为例，阐述了关于有横截面积的导体的自感系数的三种计算方法的各自特点及其适用性。

At present, the world polycrystalline silicon supply for semi-conductor and solar energy can not meet the market demands, mainly due to the rapid growth in European solar energy markets, and the price differences between semi- conductor and solar level applications are closing or even same.

目前世界半导体与太阳能多晶硅需求紧张，主要是由于以欧洲为中心的太阳能市场迅速扩大，多晶硅价格方面半导体级与太阳能级原有的差别将逐步减小甚至消除，如果以1MW用多晶硅12吨计算，共需多晶硅是1.2万吨，2005～2010年世界太阳能电池平均年增长率在25%，到2010年全世界半导体用于太阳能电池用多晶硅的年总的需求量将超过6.3万吨。

Years ago, I had an interview with a man, who had taken the Railway Department to court. He bought a mineral water at the price of ￥15, then asked the conductor to make an invoice. Sneeringly, the conductor replied:"no invoice was made on a train since the ancient times."

5年前，我采访了一个人，这个人在火车上买了一瓶1.5元的水，然后他问列车员要发票，列车员乐了，说我们火车上自古就没有发票。

This paper base on test about repair sleeves of conductor and earthwire. Analyzed function between the quantity of breaking wires of conductor and earthwire and the length of repair sleeve. It provides testing edvidences that using repair steeve repair conductors and earthwires in the constructing and operating process.

本文通过对导、地线补修管进行的试验研究，探求了导、地线断股数量与补修管长度之间的关系，为导、地线在施工及运行过程中能最大限度的利用补修管进行补修提供试验依据。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。