According to the characteristics of the polymer dispersed liquid crystal materials, it is necessary to design special power driving supply system for the devices based on H-PDLC element.
根据聚合物分散液晶材料的光电特性及需要,在研究基于聚合物分散液晶光电器件时必须设计合适的电源驱动系统。
Saudi Arabia, the OPEC member nation with the world's largest reserves, has cut back on some of its production, thereby limiting supply and driving up prices, according to OPEC critics.
据欧佩克的批评者所说,全球石油蕴藏量最大的国家、欧佩克成员沙特阿拉伯已经削减了一些石油产量,从而导致供应受限和油价攀升。
We need to look at the fundamental factors driving food prices: demand and supply.
我们必须看到操纵粮价的基本因素:需求与供给。
But as long as they are targeting inflation it seems unlikely that further easing would occur during a period where two adverse supply shocks are driving up inflation expectations.
当前时期,两种不利供给冲击正在推高预期通胀率,只要美联储以通货膨胀为目标,近期就不大可能实行进一步的量化宽松。
Domestically, the supply side factors driving up prices are considered in large part temporary.
从国内看,推高价格的供方因素被认为在很大程度上是暂时性的。
As a result, the credit supply expanded by 37%, driving up the black-market price of dollars.
其结果导致信贷增长了37%,从而拉高了黑市上美元的价格。
The power of the selection is in meet the job pressure and volume flow conditions, power supply capacity that can satisfy matching the use of driving motor power can.
功率的选型是在满足工作压力和容积流量的条件下,供电容量能满足所匹配驱动电机的使用功率即可。
The power supply circuit, driving circuit, display circuit, software design and signal collection of the control system are outlined.
概述了控制系统的电源电路、驱动电路、显示电路与软件设计及信号采集的方法。
The VOLUME OF SALES is the real driving power behind the market and shows whether Supply or Demand is increasing or decreasing.
成交量是市场中的真实的推动力量,显示供给或需求是增加或减少状况。
The semiconductor laser power supply features continuous adjustable laser pulse frequency and continuous adjustable laser driving current of 6~30A.
其中,激光频率设置为连续可调,激光器的驱动电流6~30A连续可调。
A lock-in amplifier is used to supply the driving signal and to detect the output signal corresponding to the sample's strain.
使用锁相放大器提供驱动信号,并同时检测对应于样品形变的输出信号。
The device creates dynamic air supply with stepper motor driving flow distribution plates.
该装置用步进电动机带动分流板产生动态风。
This paper is concentrated on a series of quantitative methods when analyzing on cultivated land supply change, including driving quantitative methods and spatial analysis methods.
本文着重讨论了各种定量分析方法在耕地供给变化研究上的应用,包括驱动定量分析方法和空间分析方法,并给出了各种分析方法的应用实例。
This paper introduces the design of high power supersonic inverting power supply, including main circuit, controlling circuit, driving and protecting circuits, and gives experimental results.
主要介绍一种大功率超声波逆变电源装置的主电路、控制电路、驱动与保护电路的设计,并给出实验结果。
Supply Chain Performance with a strong orientation effect, is driving enterprises to conduct various activities to rationalize the internal dynamic.
供应链绩效评价具有强烈的导向效应,是驱动企业各个活动行为走向合理化的内部动力。
Based on mechanics analysis of elevating system with balancing weight, the additional driving moment that the motor have to supply for accelerating a inertia load is obtained.
首先对有对重的提升系统进行了力学分析,得出了加速阶段由于惯性的作用电动机必须提供的附加力矩。
A sudden capital inflow threatens to raise the money supply that can be lent, driving down interest rates and expanding spending.
资本突然流入会有使可贷放的货币供应量增大的危险,从而使利率下降并使支出扩大。
Suddenly there was a much greater supply of things to sell. And as we said earlier, that is the driving force behind advertising.
突然间出现了一大批供货,然后就像我们之前所说,这就是广告背后的推动力量。
A type of variable subdivision high performance driving power supply for stepmotor has been presented in the paper which is used to drive three-phase reaction stepmotor.
提出了一种可变细分的高性能步进电动机驱动电源,该电源用于驱动三相反应式步进电动机。
This paper analyses the feedback technology for the power supply of semiconductor laser, which is used for stabilizing the driving current and the optic output power of semiconductor laser.
本文讨论在半导体激光器电源中采用反馈技术来稳定激光器的驱动电流和输出光功率。
A type of variable subdivision high performance driving power supply for stepper motor has been presented in the paper which is used to drive three-phase reaction stepper motor.
提出了一种可变细分的高性能步进电机驱动电源,该电源用于驱动三相反应式步进电机。
At present power converters of DC driving system make power supply outputs a high-frequency pulsating current, which is from zero to the armature current. This large ripple damages batteries.
目前国内外电动车直流驱动功率变换器使储能电源输出电流从零到电机电枢电流高频脉动,不利于延长动力电池的使用寿命。
The built-in 10v excitation supply is capable of driving a 350 ohm bridge.
内置的10v激发供应能够驱动一个350欧姆桥接器。
The article discusses the design aim and principle of an intelligent cycle pulse distributor used for power supply for step motor driving.
讨论了一种用于步进电机驱动电源的智能型脉冲分配器的设计目的和设计原理。
Seller are in the driving seat and all the time demand continues to outweigh supply, it is difficult to where some softening or even stability will come from.
卖家占据统治地位,需求始终大于供应,市场转疲、甚至趋平的可能性微乎其微?。
This paper introduces a design method and circuit of power supply with high voltage and high frequency response for driving capacitive load.
本文介绍了一种可带容性负载的高电压、高频响激励电源的设计方法及相应的实现电路。
This paper presented a thyristor controlled single-phase to three-phase converter suitable for driving an induction motor with a single-phase AC supply.
提出一种单相电源供电时适用于异步电机传动的单相–三相变换器。
This paper presented a thyristor controlled single-phase to three-phase converter suitable for driving an induction motor with a single-phase AC supply.
提出一种单相电源供电时适用于异步电机传动的单相–三相变换器。
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