查询词典 unit factor

14 KV distribution system for oil-pumping units,reactor controlled reactive power compensation unit has been developed,which is based on the detailed analysis of the load performance,operation state,existing problem and influence factor of oil-pumping units.

为提高油田采油系统1.14kV供电系统的功率因数，在对油田抽油机负荷特点、运行状态以及抽油机电动机无功补偿存在的问题、影响因素等进行详细分析基础上，研制了一种用电抗器控制无功的无功功率动态补偿箱，并详细介绍了补偿箱的技术特点、使用方法和实际应用情况。

The SA9904B,produced by SAMES company, is a three phase bi-directional energy/power chip and completes the measurement of RMS voltage , RMS current, powe, energy , power factor and frequency as the kernel of detecting unit.

本系统采用SAMES公司的三相双向电能／功率芯片SA9904B作为测量单元的核心来完成电压、电流、功率、电能、功率因数和频率的测量。

During numerical simulation,the scale effects of the microstructure of the honeycomb on its structural mechanical performance was studied through changing the scale factor of its unit cell while the volume fraction of the materials remains unchanged.

数值模拟实验中，在材料组分比一定的情况下，通过缩放因子改变单胞尺寸，研究同种蜂窝微结构对结构力学性能影响的尺度效应；同时验证了不同多孔材料微结构构型对结构刚度的影响；在稳态温度载荷的作用下，热变形引起弯曲变形，利用微结构的构型差异和尺度效应共同作用实现结构最大挠度的控制。

One, wind tunnel -- develop aero commander of an advance unit or vanguard to decide a plane or function of other aero flight, wait like speed, height, outside waiting for element except thrust of plane weight, engine, the air motive force that the mainest factor is machine of action Yu Fei.

一、风洞——研制飞行器的先行官决定一架飞机或其他飞行器的飞行性能，如速度、高度等，除飞机重量、发动机推力等要素外，最重要的因素是功能于飞机的空气动力。

The control signals of the PWM rectifier are obtained by comparing the current of AC side with triangular wave (or saw-tooth wave) directly, which can implement the steadiness of the voltage of DC side and unit capacity factor of the system. At the same time, harmonic component of the system is abstracted through Instant Reactive Power Method, which can be smoothed by Integrated Learning Boost Converter Control.

本文采用重复学习Boost变换技术，利用滑模变结构控制技术对单相PWM整流器恒频Boost变换进行了分析，提出将交流侧电流直接与三角波相比较得到开关控制信号的方法，实现直流电压恒定不变及系统单位功率因数；同时，利用瞬时无功功率法分析系统谐波，并在谐波域内使用重复学习的控制方法，结合Boost变换技术，有效滤除系统谐波有功电流。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。