查询词典 direct current

Main characteristics of time-domain, such as direct-current, positive peak value, root-mean-square are gotten.

时域的主要特性有直流、正峰、均方根等进行数值测量。

Maincharacteristics of time-domain, such as direct-current, positivepeak value, root-mean-square are gotten.

时域的主要特性有直流、正峰、均方根等进行数值测量。

Since there are some disadvantages for direct current on engine, this paper firstly uses ignition coil secondary voltage to make fuel electrified.

针对直流高压电源在发动机上应用时所存在的诸多弊端，本文首次使用点火线圈次级电压对燃油进行荷电。

With many years' development, we have established advanced production and detection lines for direct-current traction electric motors, magnetic segregator and mining electric locomotives.

经过三十多年的发展，我厂现已拥有一条较先进的直流牵引电机，磁力分离器，工矿电机车的生产、检测流水线。

TF-l350 type sugar segregator timing system adopt double loop direct current timing system and PID adjustor which the whole s\stem is made up of simulation component.

TF-1350型糖分离机调速系统采用双闭环直流调速，整个系统由模拟分离元件组成，采用PID调节器。

In this system,self-aligning torque is calculated by computer and sent to microcomputer,direct current motor's output is controlled by microcomputer through PWM technology,and we simulate self-aligning torque.

该系统中上位机实时计算出汽车受到的回正力矩，通过串口发送至单片机，单片机通过PWM控制直流电机的输出力矩以达到模拟的目的。

The measuring of self-inductance coefficient by means of direct current bridge method has reduced the difficult and improved the precision of measuring.

传统测量电感的自感系数是用交流电桥，它存在平衡点较难找，并且在空间杂散信号干扰下很容易产生误差。

Cu/Zr nano-multilayer films are prepared by Direct Current magnetron sputtering in the silex substrate, and the box-type furnace is used to anneal. Micro-sclerometer, X-ray Diffractometer and Scanning Probe Microscope are used to analyze the mechanical performance and microstructure of Cu/Zr nano-multilayer films. The relation of process parameters and performance is investigated.

本文利用直流磁控溅射方法在石英玻璃基片上制备了一系列自支撑Cu/Zr纳米多层膜，使用箱式电炉对多层膜进行退火处理，利用显微硬度计、X射线衍射仪、扫描探针显微镜表征了多层膜的力学性能与微观结构，研究了不同工艺参数对纳米多层膜性能的影响。

Based on Wagner polarization principle, the reversible electrode and the clogged electrode were applied to polarize the silver bromide tabular grain emulsion micro-crystals in direct current field.

根据Wanger直流极化法原理，采用可逆电极与阻塞电极并用的方法，对溴化银 T颗粒乳剂微晶体在直流电场中进行极化，当离子电流为零时测得其电子电导率和空穴电导率。

The effect of direct current electric field on the solidified structure of ZA27 alloy has been studied.

研究了直流电场作用下ZA27合金凝固组织的变化。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐