The initial study achievements on looking for hidden uranium deposits by the earth current chemistry and thermomercury survey methods are investigated. 并就地电化法和热释汞测量法在寻找隐伏铀矿体方面的应用进行探讨。
The earth leakage protection current is composed of a voltage multiplying rectifier, voltage detector, triggering lead and an adjusting current and so on. 漏电保护电路,对所述零序电流互感器的二次绕组输出的漏电信号进行处理;
The effects of rare earth concentration, current density, and floated PTFE volume on PTFE content in coating are discussed. 探讨了稀土添加量、电流密度以及PTFE悬浮量对镀层中的PTFE含量影响。
Portable electrical apparatus operating at a voltage exceeding extra low voltage shall be protected against leakage to earth of current liable to cause electrical hazard. 在超逾特低压的电压下操作的轻便型仪器,须获保护以免可能造成电力危险的电流对地漏电。
Does the transition to the new Earth exclude our current physical bodies? 蜕变后的新地球容许我们带着目前的肉身存在吗?
The on-line monitoring of core earth current can engage with the device. 该装置实现了铁心接地电流的在线监测。
The electric sprayer unit shall be protected against leakage to earth of current liable to cause electrical hazard. 电喷器要装有防漏电装置如使用时有触电危险。
Effect of Earth Current on the High-Speed Circuit and the Countermeasures 高速电路中地电流的影响及其对策
It implies that the rotation of earth and basic current are playing an important role in the spiral structure of the Rossby waves. 基本西风气流和地球的旋转,对于Rossby波的螺旋结构的形成是十分重要的。
The paper describes the danger judgement for occurance of break-down carrent ( to earth leakage current) in line or electrical equipment, purpose of protection, protective actions; 本文叙述了线路或电气设备发生故障电流(对地泄漏电流)的危险判断,保护目的、保护措施;
A safe and simple method for measuring single-phase earth capacity current of 10 kV system 一种安全简便测量10kV系统单相接地电容电流的方法
The auxiliary coil has 16 taps and can compensate the earth fault current within a precision of 1A. 从消弧线圈具有16档细调功能,故障时投入可以精确补偿系统对地电容电流,补偿精度达到1安培以内。
So we chose earth line current for trend management. 故本文通过对具体的电缆线路进行分析,采用接地线电流法作为趋势管理的手段。
Design of Earth Pole Current Dividing System at Longquan Current Converting Station on the Left Bank of the Sanxia 三峡左岸龙泉换流站接地极导流系统设计
To solve this problem, the power-frequency shunt function of the overhead ground wire and the lead-in cable jacket can be used to reduce the earth short-circuit current. 要解决这个问题,就要充分利用避雷线和进线电缆外护套的工频分流作用,减小在接地故障时接地网的入地电流。
Using black-box theory, the algorithm converts complicated earth current field computation into circuit computation, changing the field-circuit alternation problem into pure circuit matter, thus greatly simplifying the analysis. 算法应用黑箱理论,将复杂的大地电流场计算变换为电路计算,将电场-电路交替问题演化成纯电路问题,使分析简化。
Preliminary analysis on the interference of Tianshui earth current Observatory 天水地电台干扰原因的初步分析
This paper expatiates on the concept of earth short-circuit current, discussing and computing the shunt coefficient of overhead ground wires, cable lines and hybrid overhead cable lines. 为此,阐述了入地电流的概念,对输电线路架空避雷线、电缆线路及架空电缆混合供电线路的分流系数进行了探讨和计算。
The Earth quakes and Regional Abnormal Variation of the Directions of Earth Current 地区性地电流方向异常变化与地震
Magnetic field configuration instability in regions near the inner edge of the near Earth current sheet is further studied with the generalized progressing wave expansion method in the one fluid MHD approximation. 用一元磁流体力学广义行波展开法进一步研究了近磁尾内边界的位型不稳定性。
Improvement of Single-phase Direct Earth Capacitance Current for Power Distribution System in Coal Mine 煤矿供电系统单相接地电容电流的治理
The grounded dipole transmitter emits square-wave current into the earth. The current step induces eddy current in underground. 接地的偶极发射器向地下发射方波电流,阶跃变化的电流在地层中感生出涡流。
Energetic Ions Flux Distribution Properties of the Earth's Ring Current Region 环电流区能量离子分布特性研究
With the development of electric network and the electric cable used widely, single-phase capacity and earth current of the network are increasing. 随着电网不断发展,电缆使用增多,电网单相对地电容和接地电流随之增大。
Next, the designing program which takes the DC component method as the main point, and the earth line current method as the supplementary aspect through research of the above different kinds of on line monitoring method and analysis the theory. 其次通过对以上各种在线测量方法的研究、理论分析,提出了以直流分量法为主,接地线流法为辅的设计方案。
By making in-depth research of direct earth capacitance current detection method which is based on injecting variable-frequency signal method, the paper carries out proper improvement on basis of the existing theoretical principle and designs swept signal source. 深入研究基于注入变频信号法的对地电容电流检测方法,并在已有的理论基础上进行了合理的改进,设计了扫频信号源。
But with the large capacity long distance HVDC applied, under the earth returning operation mode, HVDC system earth current will flow over the transformer winding through the neutral point, this causes the transformer DC bias phenomenon. More and more research scholars noticed this phenomenon. 以大地返回方式运行的直流输电系统的接地极电流会通过变压器中性点流进变压器绕组,从而引起的变压器直流偏磁现象引起越来越多研究学者的注意。
With the earth as current loop, the zero-modal current is large in impedance, and the traveling wave runs slowly, so the line-modal current signal caused by the transmission line fault is processed with wavelet transform. 由于零模电流以大地为回路,其波阻抗大,并且行波波速比较慢,所以,文中对输电线路故障后的线模电流信号进行小波处理。
TC-2 carried one energetic neutral atom imager ( NUADU), dedicated for detecting of the Earth ring current. TC-2卫星上搭载了专用于地球环电流探测的中性原子成像仪(NUADU)。