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- This paper researches the failure surface modes of displaced soil mass in front of anchor plate by tests, meanwhile analyses the earth resistance. 利用试验观测锚碇板前置换土体破裂面形态,并对其抗力进行分析。
- In the end, by analyzing experimental results, this article generalizes common rules of earth resistance measurement based on multi-electrode method. 最后,文章经过对试验记录和试验结果的综合分析研究,归纳出多电极法测量接地电阻的普遍规律。
- Now the commonly used starting elements are insensitivity to the slow expansibility faults,and high earth resistance faults are easily affected by power system swing. 现有微机保护装置的启动元件存在着高阻接地和缓慢发展性故障情况下灵敏度不足的缺点,振荡情况下可能产生误启动,并且不能识别振荡中再发生故障的情况。
- Our pilotless rocket enters the track of the earth. 我们把一个无人驾驶的火箭送入了地球的轨道里。
- A strong earthquake of M7.6 struck Lancang, Yunnan Province on November 6, 1988, and abnormal earth resistivity changes were detected in the geoclectrie observation networks in Yunnan Province. 1988年11月6日我国云南澜沧发生7.;6级强烈地震;震前云南地电台网出现了地电阻率的异常变化。
- The attraction of the moon for the earth causes the tides. 月球对地球的吸引力造成潮汐。
- Several measuring methods of earth resistance are discussed . By comparing their advantages and disadvantages, some beneficial. conclusions, which have some guiding significance for the coming practical works, are reache d. 对各种接地电阻测量方法的探讨,比较各种测量方法的利弊,得出一些有益的结论,对今后实际工作具有指导意义.
- Power equipments are connected to earth to ensure the safely of equipments and engineers. Mirror image method can be a effective to calculate the earth resistance and step voltage. 摘要将电力设备的某些部分接地,是为了设备与操作人员的安全,本文应用镜像法对此进行了一些具体的分析计算。
- The earth is only a speck in the universe. 地球在宇宙中只不过是一个小点罢了。
- The results show that the main reasons of the earth resistivity's reduction is the combining effect of the diffusion of hot mineral water,the vadose of waste water around the station and rain. 结果表明测区附近热矿水的扩散、废污水的渗流和降雨等诸多因素的影响是昌黎台地电阻率多年趋势下降变化的主要原因。
- This method does not need to untie the pole downlead then to carry on the earth resistance survey, has solved the biggest malpractice which in the existing measuring technique exists . 该方法不需要解开杆塔接地引下线即可进行接地电阻测量,解决了现有测量方法中所存在的最大弊端。
- Some typical methods to reduce earth resistance are introduced in order to ensure the safety of depots and gas stations.The technical requirements of the earth equipment are also presented. 介绍石油库、加油站降低接地电阻的常用办法及防雷、防静电接地装置的工艺要求,保证石油库、加油站运行安全。
- How on earth do they manage to rob the bank? 他们到底怎么抢了银行的?
- A number of satellites are now circling the earth. 一些人造卫星现在正环绕地球飞行。
- The machine cast up a big heap of earth. 机器卷起了一大堆泥土。
- In the high resistivity area, it is very difficult to reduce the earthing resistance to the given value. 在高电阻率地域,将接地电阻降到设计值非常困难。
- The red sun lights up the sky and the earth. 红太阳照亮了天空和大地。
- Weak current equipment earthing adopts integrated earthing system with earthing resistance no more than 1 ohm. 弱电设备接地采用联合接地系统,接地电阻不大于1欧姆。
- Who on earth is that female he's with? 跟他在一起的那个女人究竟是谁?
- Antarctica is the loneliest place on earth. 南极是地球上最偏远的地区。