in coal field with electric method,this paper realized the forward modeling of the point current source at 3-D Geo-electric field,and applied the result to the experiment of geology circumstance.
针对利用电法研究煤田生产中的陷落柱等问题,本文实现了点电流源三维地电场正演,并将模拟结果应用到了实际地质试验中。
Interconversion between linear source resistivity and point source resistivity with the use of matrix method.;
应用矩阵法实现线源与点源电阻率数据间互换
In the total discharge of point source wastewater,about 76% of nitrogen an.
对厦门市近岸海域近10年的废水和主要污染物质排放量估算的结果表明:万元产值工业废水排放量呈逐年下降的趋势,而各污染物的排放总量却逐年缓慢增长;在点源污水排放总量预测中,约76%的氮、磷来自于生活污水;在非点源污染负荷中,农业非点源中的氮、磷负荷占较大比例,城市非点源污染负荷比例最小。
COMPUTATION OF THE POTENTIAL OF A POINT CURRENT SOURCE IN LAYERED EARTH WITH ARBITRARY ANISOTROPY BY USING OF THE FAST HANKEL TRANFORMATION
用快速汉克尔变换计算各向异性层状介质中点电流源的电位响应
Source-flow Chain Based New Topology Algorithm for Multi-source Distribution Network
基于源流链的多源点配电网拓扑新算法
"Alternator: Source of direct electric current in modern vehicles for ignition, lights, fans, and other uses."
交流发电机:现代车辆的直流电源,用于点火、照明、风扇等处。
Researching on Non-contact High Power AC Compensated Stabilizer;
无触点大功率补偿式交流稳压电源的研究
Main breakers provide overcurrent protection and a single disconnect point for all power in a switchboard or device.
主开关能够提供过电流保护，是配电盘或设备的电源断开点。
The only access points for transients are the AC power line wires and any data and telecommunication wiring.
电涌唯一的接入点就是交流电源线和任何的数据及电信接线。
The Electric potential of a conductor ball in the electric current field of a point source is derived.
推证了点源电流场中导电球体内、外的电势分布规律
current-on contact
开关［触点］电流， 合闸电流
AC current or voltage source. DC offset can be specified.
交流电流源或电压源。可指定直流偏移。
Research on the Relation between Electric Field and Injected Current at Fixed Points in the Active Layer for Semiconductor Laser Array
半导体激光器列阵有源区电场随电流变化的定点测量
Unified Fixed Point Coordinate Transformation and Its Application to APF Current Control
统一定点坐标变换及其在有源电力滤波器电流控制中的应用
It os easy to adjust,its step precision is high , and can be used for a standard DC voltage source for electronic instrument.
该电源具有调整方便、步进精度高等特点，可作为电子仪器直流标准电压源。
Operation From DC Power Supply: Batteries.
使用直流电源：干电池。
Low voltage DC power is also provided for control power and emergency power.
低压直流电作控制电源和应急电源。
The same remarks for the ideal voltage source in nodal analysis apply to ideal current sources in loop analysis.
关于节点分析法中理想电压源的附注同样可以应用到回路分析法中出现理想电流源的情况。
Simulation Research on Drift Influence of Point-source Current Field in The Medium of Uniform Wallrock
均匀围岩介质中点源电流场的巷道影响模拟研究
DC current or voltage source. Magnitude of AC component can be specified.
直流电流源或电压源。可指定交流分量的大小。
Laser Power Supplies, Module Power Supplies, Fully-encapsulated Power/ Voltage/ Current Transformers.
固体激光电源、导体激光电源、块电源、装式电源变压器、压电流互感器。