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- specific earth resistance 大地电阻率
- Buddha does not talk about a specific earth, but about earthlike planets in general. 佛祖所指的并不是特定的地球,而是普遍的所有类地星球。
- 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。
- 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。
- 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。
- 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。
- Education should not be restricted to any one specific age group. 教育不应限制在任何特定的年龄组上。
- 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。
- Using Skill of Pulse Earth Resistance Instrument 脉冲式接地电阻测试仪的使用技巧
- He gave us very specific instructions. 他给我们做了非常明确的指示。
- The attraction of the moon for the earth causes the tides. 月球对地球的吸引力造成潮汐。
- There is a specific tool for each job. 各工种配备特定的工具。
- 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 earth is only a speck in the universe. 地球在宇宙中只不过是一个小点罢了。
- But that all depend on the specific circumstances. 不过,那要看具体情况而定。
- 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。