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- earth resistivity ratio 地电阻率
- 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 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。
- Werner System earth resistivity method 维纳土地电阻探测法
- Resistivity ratio chrometography analysis imaging 电阻率层析成像
- apparent resistivity ratio of reservoir water 视地层水电阻率比值
- The effects of diamond grain sizes on wear resistance ratio of the sintering diamond compacts are investigated. 研究了金刚石的粒度对烧结体磨耗比的影响；
- automatic earth resistivity method 自动地电阻率法
- The old style resistance ratio was 1:3, whereas the new DB and RR resistance ratio is a minimum of 1:15. 以前的电阻比为1：3，但是现在的电阻比的最小值已经达到1：15。
- Resistance ratio(RR) is calculated based on the baseline data tested with Taihu susceptible strain. 抗性倍数以太湖敏感品系为对照计算获得。
- the earth resistivity instrument 地电仪器
- observation data of earth resistivity 地电阻率观测数据
- Chromatography imaging of earth resistivity 电阻率层析成像
- Results The resistance ratio of the field-collected strains to DDVP>66.85,and to propoxur,permethrin,cypermethrin and deltamethrin were 1.20,5.66,5.14 and 5.10 respectively. 结果苏州市德国小蠊对敌敌畏的抗性系数大于66.;85;对残杀威、氯菊酯、氯氰菊酯和溴氰菊酯的抗性系数分别是1
- 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。
- The resistance ratio of the field-collected strains to DDVP>66.85,and to propoxur,permethrin,cypermethrin and deltamethrin were 1.20,5.66,5.14 and 5.10 respectively. 苏州市德国小蠊对敌敌畏的抗性系数大于66.;85;对残杀威、氯菊酯、氯氰菊酯和溴氰菊酯的抗性系数分别是1
- 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 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。
- 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。
- 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。
