The direct current load flow model is broadly applied in the static security analysis in power system because it is simple and easy to calculate rapidly.
在电力系统静态安全分析中 ,直流法由于具有简单、快速、便于实时计算等优点而得到广泛应用 ,然而由于其计算精度较差使得计算效果不够令人满意。
Application of DC Electrical Method in Mine Water-inrush Forecasting;
矿井直流电法在煤矿水害预测中的应用
The YDZ type′s explosion-proof digital instrument of DC electrical method that is developed by Xi′an Branch of China Coal Research Institute was used to carry on a geophysical prospecting in the section where the roof sandstone water gashed in working face in Gaocheng Coal Mine.
采用煤炭科学研究总院西安分院研制生产的YDZ型防爆数字直流电法仪,利用对称四极测深方法对告成煤矿掘进工作面顶板砂岩出水地段进行物探,对受采动影响产生的顶板导水裂隙进行了准确定位,效果显著,为告成煤矿制定防治水方案提供了科学依据。
Application of DC methods to searching for deep buried deposit in a copper deposit in south Shaanxi and it's application result;
直流电法在陕南某铜矿深部找矿中的应用及效果
With point electric source as example,The paper introduces process of carying out DC method forward modeling with ANSYS.
以点电源场为例,详细叙述了直流电法正演在ANSYS上的实现过程。
The method consisted of the direct current method and the electromagnetic wave method,and it had been proved to be an effective method by theory and practices.
提出了用高频电磁波法和直流电法检测灌注桩中钢筋笼实际长度的电法检测方法,并在实际工程中得到了检验。
The paper proceed from physical parameter and election of technical methods,probed into feasibility surveying old mine area with D.
文章从物性参数研究、技术方法择方面入手,探讨了直流电法探测老窑采空区的可行性,并以实例介绍了解决该问题所取得的经验。
Weathered layer and buried structure grow complicatedly, so it’s necessary to use seismic prospecting and direct current prospecting to improve the precision in explanation and the result reliability.
在南水北调西线工程中 ,拦水坝和线路的覆盖层厚度变化大 ,岩层风化带及隐伏构造的发育情况复杂 ,必须综合运用地震波法和直流电法来提高资料的解释精度和成果的可靠性 ,实际坝址的勘察结果表明综合物探方法在解决横向和竖向变化的地质问题 (物性差异 )时有着不可替代的优越性 ,而且具有方便、经济、快捷和成果直观等特
In order to investigate the distribution of underground thermal water of the hot spring, we used the direct current prospecting to determine the fracture belt bearing underground thermal water with the near source field electric profiling.
采用直流电法 ,以近场源三极法为主要手段 ,圈定了法水温泉区热储水破碎带。
Study of 3-D Forward Modeling of DC Resistivity Method Using Multi-grid Method;
直流电法三维正演多重网格算法研究
Study of Three-dimensional Conjugate Gradients Inversion of DC Resistivity Data;
三维直流电法共轭梯度反演算法研究
Application of DC Electrical Methofd to Slide Groundwater Investigation
直流电法在滑坡地下水调查中的应用
tension electric process
电流直接加热淬火法
Modification of the DC Leakage Method for DC System Insulation Monitoring
直流系统绝缘监测的直流漏电流法改进方案
Electric cables and wires--Method for D.C. voltage test
GB/T3048.14-1992电线电缆直流电压试验方法
An Intelligence Method for Giant Magneto-resistance Based DC Electronic Current Transformer
巨磁电阻直流电子式电流互感器智能化方法
Discussion about the method of back-EMF commutation for brushless DC motor
无刷直流电机反电势换向方法的探讨
Study on Two Methods of Flue Gas Desulphurization with Direct Current Corona Discharge;
两种直流电晕放电烟气脱硫方法研究
Research on Back-EMF Method for BLDC Motor Control System;
“反电势法”无刷直流电机控制系统研究
On-line insulation monitoring of substation DC power supply
变电站直流电源绝缘在线监测新方法
an alternating [a direct] current dynamo
交流 [直流] 发电机
The study of distinguishing between AC-DC and judging positive and negative electrodes of DC electordeposition
用低压验电笔区分交直流和判断直流电正负极的方法
Deduction of Voltage Equation of DC Motor by Coupling Circuit Method
耦合电路法推导直流电动机电动势平衡方程
Test procedure for direct current machines
GB/T1311-1989直流电机试验方法
ionotherapy with calcium chloride
氯化钙直流电离子透入疗法
Position control of d. c. motors has been done by means of pulse width modulation.
直流电机位置用脉冲宽度调制法控制。
iontophoresis with streptomycin
链霉素直流电离子导入疗法
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