1.
System of Data Sampling and Control for DO30-Ⅲ DC/AC Voltage and Current Standard Supply
DO30-Ⅲ交直流标准源数据采集及控制系统
2.
Verification and uncertainty evaluation of the DC low current reference source
直流小电流标准源的检定与不确定度评定
3.
The Calibration and Uncertainty Evaluation of the Accurate DC Standard Current Source
高准确度直流标准电流源的校准与不确定度评定
4.
On the Inductance of the Calculable AC/DC Resistance Standard of Toriod Type;
用于计量标准的交直流电阻标准转换的电感计算
5.
Standard Format for the Annual Exchange of Information
年度信息交流标准格式
6.
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。
7.
combined a.c. and d.c. welding power source
交直流两用弧焊电源
8.
This presentation will overview researches and applications of quantum standards in electrical metrology such as dc voltage, resistance and ac-dc measurements.
概括介绍直流电压、电阻等量子标准和交流－直流转换测量的研究进展。
9.
It is suitable to be used as precise measuring standard and precise AC/DC resistance standard for factories, colleges, and research institutes.
适用于工厂、学校和科研单位作精密测量及精密交/直流电阻标准。
10.
Standard for D.C.drainage protection of buried steel pipelines
埋地钢质管道直流排流保护技术标准
11.
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。
12.
Standard for AC influence drainage protection of buried steel pipeline
埋地钢质管道交流排流保护技术标准
13.
circuit design, wiring diagrams, schematics, AC/DC sources
电路设计, 接线图, 示意图, 交流/直流电源
14.
Automatic exchange for DC and AC supply.
直流电源与交流供电能自动转换。
15.
Active Filter Technique on AC-side of HVDC Transmission Systems
直流输电系统交流侧的有源滤波技术
16.
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。
17.
Building and application of a collimated γ-ray source with multi-energy point
多能点γ准直标定源的建立及其应用
18.
Indutrial Interfence of the Standard Cell in a Dc Potentiometer System
直流电位差计中标准电池受到的干扰