The effect on the growth of U14 in mice by the stimulation of alternating current combined with cyclophosphamide;
交流电刺激与环磷酰胺合用对小鼠U14生长的影响
Transmission of direct current and alternating current and their advantages and disadvantages;
直流电与交流电的传输及其优缺点
The existence of electro capillary oscillation in alternating current eletroslag remelting was proved by theoretic analysis and dynamic simulation experiment.
通过理论分析和交、直流电动态模拟试验证实了交流电渣重熔体系存在电毛细振荡 ;交流电频率越高 ,渣 -金界面的振荡频率越大 ,振幅随之减小 ;在直流电渣重熔过程中 ,渣 -金界面不存在电毛细振
In order to ensure the safe operation of pipeline and detect and know the operating condition of the pipeline accurately,the pipeline detection method based on inner-pipe alternating current method is used widely.
为了确保管道的安全运行,及时准确地检测和了解管道的运行状况,一种基于管内交流电流法的管道检测方法被广泛应用。
In addition,the paper is analysis and dicussion of current limiting fuses under the interrupting alternating current and the direct current.
文章总结了限流熔断器通过各种开断操作试验,主要包括一般性操作试验、过载运行条件下的各种老化现象,对开断交流电流和直流电流下,开断失败原因的分析和评价。
Research.of calibration method for AC current;
交流电流校准方法的研究
A new method of designing pole-changing windings of AC machines-The reversing-phase interchange method;
交流电机变极绕组设计新方法——反向-换相法
Research on Varnish Technology of Miniature AC machine;
微型交流电机浸漆工艺的研究
s: The paper introduces the designing of the CAI software of AC machine.
交流电机计算机辅助教学软件的开发 ,是在Windows的环境下、以Authorware为开发工具、在其他软件的辅助下完成的 。
convert (alternating current)to direct current
将(交流电)变成直流电;
AC clip-on voltammeter
钳形交流电压电流表
AC voltage electromagnetic relay
交流电压电磁继电器
single-speed alternating current electric drive
单速交流电电力驱动
AC moving iron rectangular instrument
交流电磁系矩形电表
A.C. motor capacitors
GB3667-1997交流电动机电容器
low frequency AC coded track circuit
低频交流电码轨道电路
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。
To convert(alternating current)into direct current.
把…整流将(交流电)转化为直流电
"The AC output must therefore be rectified, or changed to dc."
所以交流电必须整流为直流电。
Conversion of alternating to unidirectional current.
整流交流电转变到单向电流
converts alternating current into direct current or vice versa.
变交流电为直流电或者变直流电为交流电的装置。
A.C. can be changed into D, C. or vice versa.
交流电能变成直流电,反过来直流电也能变成交流电。
"Alternating current (AC): Flow of electric charge that reverses periodically, unlike direct current."
交流电:周期性换向的电流,和直流电不一样。
microcomputer alternating current resistivity instrument
微机化交流电阻率仪器
harmonic content of an a.c.power supply
交流电源的谐波含量
an alternating [a direct] current dynamo
交流 [直流] 发电机
DC motor converter set
交流-直流电动变流器组