直流

Introduces the application of PC programmable controller at uniflow high-speed elevator, and the principle of controlling uniflow high-speed elevator.

介绍PC可编程控制器及其在直高速电梯上应用,及直高速电梯控制原理。

The magnets of BLDCM are felted with featheredge of the motor, and then are machining.

摘要无刷直电动机磁钢需要和薄壁磁轭粘接，并在粘接后还要机械加工。

The weatherproof, tamperproof cameras feature 540 lines of resolution, 0.5 lux sensitivity, and 12 VDC operation.

防雨，防篡改相机有540线分辨率， 0.5勒克司灵敏度，和12伏直电作业。

In many power electronic applications ferrite cores of magnetic compon ents are biased with a DC or low-frequency premagnetization.

在电力电子技术中应用铁氧体铁磁性元件，其铁中往往存在直或低频磁化。

Abstract： In many power electronic applications ferrite cores of magnetic compon ents are biased with a DC or low-frequency premagnetization.

摘 要： 在电力电子技术中应用铁氧体铁磁性元件，其铁中往往存在直或低频磁化。

A high temperature superconducting quantum interference device (SQUID) was fabricated for magnetocardiogram (MCG) measurement, and a single-channel dc SQUID magnetocardiograph was developed.

研制了用于磁测量直高温量子干涉器,并建立了单通道高温直超导量子干涉器磁图仪。

The characteristic of variation of resistance for Polysilicon microresistor with time was measured under constant power operation using Digital Constant Power System(DCPS).

利用数字式恒定功率测试系统（DCPS）对多晶硅微电阻进行恒定直功率负荷下电阻随时间变化特性测量实验。

For general exploringobjects requirement, narrow pulse signal with tens millimicro second to millimicrosecond has the frequency spectrum from DC to thousands MHz.

按照对地目标探测一般需要,通常采用纳秒到十纳秒量级电磁探测窄脉冲,信号频谱具有从直低频直到千兆赫兹宽带。

Model JO415 DC microammeter is suitable for students to measure weak current and slimelectric potenial in laboratory of middle school and polytechnic school.

JO415型直安培计适用于中学、中专等学校实验室，可测微弱电势用。

Model C31 Meters are multirange instruments and a plug-in type switch is used for range change-over,so for the sake of easy operation.

C31型直电表是磁电系张丝支承指针指示可携式电表,仪表具有良好防颠震性能和较高灵敏度及使用寿命.

Kelvin bridge has the virtues of high sensitivity, precision reading and convenience to use.It is effective tools to measure the electrical resistivity and magnetoresistivity.

凯尔文直双臂电桥具有灵敏度高、读数准确和使用方便优点，是测量材料电阻率和磁阻有效工具。

The speed synthesizer based on SCM PIC16F876, which applied to the left and right drives of brush direct current motor for tracklayer robot and vehicle.

基于PIC16F876单片机速度合成器,用于履带式机器人或车辆左、右直有刷电机驱动。

A new turbine-boiler coordination control system is designed for the 600 MW supercritical monotube boiler manufactured by Haerbin Boiler Plant with British Mitsm Babcock technology.

针对哈尔滨锅炉厂引进英国三井巴布科克技术制造600 MW超临界直锅炉,设计了新型机炉协调控制系统。

In this paper, a computer monitoring and control system for mine elevator and its hardwareand software designs are presented.The elevator is driven by a DC motor and controlled by an amplidyne.

本文介绍对磁扩大机控制直拖动矿井提升系统进行计算机监控系统组成及硬、软件设计。

The too high impact direct current high pressure may reduce the resistance of trouble point too fast, even turn into a metalline earthing trouble, thus bring the trouble to appointed work.

过高冲击直高压可能会将故障点电阻降低太快，甚至变成金属性接地故障，从而给定点工作带来麻烦。

For one is beautiful is the brand, from direct current to gigacycle per second analogy, the composite signal, the radio frequency, the optical fiber, the micro controller and corresponds IC to have.

为一美系品牌，从直到千兆赫类比、混合信号、射频、光纤、微控制器及通信IC均有。