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- 4102 earth resistance tester 4102接地电阻测试仪
- earth resistance tester 接地电阻测试器
- 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。
- Our main brands:Neware for Ni-MH, Lithium,Lithium,Ni-Cd,Promotional Materials ,testing instruments , grading systems ,formation systems,battery inner resistance tester,and Newell for batteries and chargers OEM business will also be welcome. 产品种类:镍氢电池,锂离子电池,锂聚合物电池,镍镉电池,高精度电池检测设备(大电流,小电流),测试系统,分容系统,化成系统,内阻仪,以及提供为电池,充电器原始制造商提供相应服务。
- N . For one direct current low resistance tester (Y150), record showed that the calibrating area did not cover the actual measuring area-below 100m ohm, but the calibrating result was accepted. 一台直流低阻测量仪,记录显示低于100毫欧的实际测量区域没有校准,但此校验结果判定为合格。
- 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.
- The main test equipment include: resistivity tester, tensile test machine, film machine, cutting machine, density testing, aging boxes, dry boxes and other equipment. 主要检测设备有:电阻率测试仪,试验拉力机,制片机,切片机,密度测试,老化箱,烘干箱等设备。
- 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 design of insulation resistance tester 绝缘电阻测试仪的设计
- 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。
- Mechanics and electrics property of vulcanized CR/MMTnanocomposite were tested by electronic instron tensile strength tester, durometer, andultra-high resistance and resistivity tester. 用电子拉力机、硬度计、超高阻仪等测试仪器分析表征了氯丁橡胶/蒙脱石纳米复合材料的力学性能、电学性能及阻燃性能等性能。
- 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。
- 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。
- The attraction of the moon for the earth causes the tides. 月球对地球的吸引力造成潮汐。
- Design of portable battery internal resistance tester 便携式蓄电池内阻测试仪的研制
- 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。
- Design of wind resistance tester for asphalt shingle 沥青瓦抗风性试验仪的设计