direct current的例句大全

Time constant computing method of direct current motor transmision system

直流电动机传动系统时间常数计算方法

Full Digital Direct Current Thyristor Speed Control Equipment for Planer

龙门刨床全数字直流调速系统

Measurements are made on the temperature dependence of threshold current density in DC-PBH 1.3 μ m InGaAsP/ InP laser under direct current.

测量了1.3μm InGaAsp/InP DC-PBH激光器在直流工作条件下，阀值电流密度随温度的变化。

Excitation regulator of direct current drive system on targe power shovel

大型挖掘机直流传动系统激磁调节器

The Stepless Regulation Circuit of Positive and Negative for Direct Current Motors

直流电机正反转无级调速电路

The principle and method for testing surface crack through direct current potential difference are introduced.

首先介绍了直流电位法&裂纹扩展片检测裂纹的方法和原理。

Weak base drug prevented skin reaction after direct current therapy and animal test observation

弱碱性药物预防直流电治疗后皮肤反应及动物实验观察

Optimal Design of Direct Current Motor Stepless Speed Regulating System of Main Transmission in Machine-tool Based on the Grey Classification

基于灰色聚类的直流电机无极调速的机床主传动系统优化设计

MHD Pressure Drop Analysis for a Lithium Cooled Blanket of Tokamak Engineering Test Breeder Step forced Dynamic Speed Drop Analysis Digital Control, Dual Ring, Direct Current and Reversible Speed Governing System

托卡马克工程试验增殖堆Li冷包层的磁流体动力学压降分析数控双环直流可逆调速系统阶跃扰动动态速降分析

Permanent magnetism direct current generator without brush drives the reflector with ten surfaces to line scanning, and the stepper motor drives single reflector to achieve television video field scanning.

永磁无刷直流电机驱动等10面体旋转反射镜实现电视图像的行扫描，步进电机驱动单面反射镜实现电视图像的场扫描。

Independently designed the organization, which use the direct current machine to make gear reduction, and with the screw rod and the nut organization, the electrical machinery the positive and negative circumvolved motion changes into the straight line translational motion of the control accelerator tension bar.

自行设计了利用直流电机带动齿轮减速机构并通过螺杆与螺母机构把电机的正负旋转运动转化为控制油门拉杆的直线位移运动的执行机构。

The Development of Calibration Device for Secondary Instruments Testing Equipment for High Direct Current Testing Equipment of Weighing Apparatus& the Popularization of the Weighing Apparatus Verifying Truck

强直流电测试装置二次仪表校验仪的研制称重设备测试装置计量检衡车的推广应用

A STUDY OF ACTIVE AND REACTIVE POWER CONTROL FOR BRUSHLESS DOUBLY-FED MACHINE generator, thermoelectric, direct current, of an output exceeding

无刷双馈电机有功和无功功率控制研究热电直流发电机，输出功率超过37.5w

Generator, thermoelectric, direct current, of an output exceeding

热电直流发电机，输出功率超过37.5w

Thermoelectric generator ( TEG) which is driven by natural gas can supply direct current to CP system of gas transmission pipeline in remote and no power supply district.

TEG即热电发生器，以天然气为燃料，可满足边远无电地区输气管道阴极保护直流用电需要。

The method of shortening the time for direct current resistance testing of transformer low-voltage side Compacting folders might take a while. Compress folders now?

缩短变压器低压侧直流电阻测试时间的方法文件夹压缩操作可能需要较长时间。现在要压缩文件夹吗？

Some certain errors are existing for analyzing the sinusoidal signal of fundamental harmonic, non-integral harmonic and the decay quantity signal of direct current.

傅立叶算法在分析基波和非整次谐波以及直流衰减信号时，存在一定的误差。

The concentrations of 17 elements in rice, corn, wheat, wheat bran, soybean and wheat flour were determined by three electrode direct current plasma atomic emission spectrometry.

用三电极直流等离子体原子发射光谱仪对大米、玉米、黄豆、小麦以及面粉和麸皮中的17种元素进行了测定。

Common DC bus is mainly composed of rectification and inverter unit, with which three-phase alternating current becoming into fixed power direct current, then direct current is again converted into frequency and voltage adjustable alternating current by inverter to control motor speed.

公共直流母线技术主要由整流单元和逆变单元组成，三相交流电经过整流单元以后，变成一定功率的直流电，再经过逆变单元变成频率和电压可调的交流电源，用来控制交流电机的速度。

My research item-the laser scanning system at a high speed utilizes permanent magnetism direct current generator without brush and the stepper motor to drive reflector achieving television video scanning.

我所研究项目&激光高速扫描系统就是利用了永磁无刷直流电机和步进电机驱动反射镜实现电视图像的扫描。