查询词典 supply frequency

Industrial Automation Systems Division, including water pumping station frequency control system, constant pressure water supply control system, water treatment divisions and computer automatic control and information management systems; power plant coal feeder, give powder machines, pumps and fans, etc. The frequency control system, auxiliary power plant control system (including the coal handling, water and ash of the computer control system, etc.); metallurgical steel industry blast furnaces, converter gas Gasholder automatic monitoring systems, as well as petrochemical automatic monitoring systems.

工业自动控制系统包括水司的泵房变频控制系统、供水恒压控制系统、水司和水处理的计算机自动监控和信息化管理系统；电厂给煤机、给粉机、水泵和风机等的变频控制系统、电厂辅助车间程控系统（包括输煤、化水和出灰计算机程控系统等）；冶金钢铁行业的高炉、转炉煤气气柜自动监控系统以及石化的自动监控系统等。

The space quadrature vector oriented control can decouple between output current and frequency of the inverter by Park transformation, which guarantee the quite high accuracy of the 90 degree phase angle between the two-phase output current that supply for two phase electromagnetic stirrer in quite low frequency.

提出了一种基于空间矢量定向的二相电磁搅拌器逆变电源的结构和控制策略，该逆变器采用六桥臂式主电路拓扑结构，逆变器的第三相桥臂与两相电磁搅拌器的中点相连。

In the design of the power supply, the main circuit topology frame uses half-bridge series resonant switching and parallel load connection, in which, an IGBT is adopted as the power switches, and features high operation frequency, high output power and fast response. In addition, the IGBT in the switch mode power supply has no hard turn-on or turn –off situation in transition, thus the disturbance to the power system is avoided.

相应的激光电源采用半桥软开关技术，串联谐振并联输出，IGBT 为主控制元件，实现了高频工作、高功率多路输出，响应快速；脉冲模式工作时避免了开关管的硬开关，减小了高次谐波对电网的干扰；无需镇流电阻也可实现气体稳定放电等特性。

The main products cover: high-frequency switching power supply transformer; communications power supply, signal transformer (CO interfaces, dial-up, ADSL, ISDN, etc.); linear transformer; AC-DC/AC converter; transformer; step-up transformer (backlight source, etc.); voice signal separator; Filters: magnetic coil; inductor and other magnetic devices.

主要产品含括：高频开关电源变压器；通讯电源、信号变压器（局端介面、拨号、ADSL、ISDN等）；线性变压器；AC-DC/AC转换器；互感器；升压变压器；语音信号分离器；滤波器：磁环线圈；电感器等磁性器件。

Log-domain companding technique takes advantage of the exponential I/V characteristics of the active devices such as bipolar junction transistors, compressing the dynamic range of the input sigal and reducing internal voltage amplitudes, it can maintain large dynamic range and high operating frequency under low supply voltage , the main area of application for this technique is the implementation of continuous-time fully integrated filters with low voltage, wide dynamic range, high-frequency, and wide tenability.

对数域压扩技术利用BJT晶体管等有源器件的指数Ⅰ-Ⅴ特性，对信号作对数压缩处理，大大降低了电路内部节点电压的摆幅，能在低电源电压下保持大信号动态范围和高工作频率，该技术的主要应用是设计具有低电压、宽调谐范围、高工作频率和宽动态范围特性的连续时间全集成滤波器——对数域滤波器。

The lack of a common standard for tags and readers to begin with, and the later battle between various high frequency and ultra-high frequency products meant you could not be sure the data on a tag could be read all along the supply chain.

标签和读取装置缺乏一个通用标准来作为最初的设计基础，随后的各种高频和超高频产品之间的竞争则意味着制造商不能肯定制造的标签中的信息可以在供给链中的每个环节都可以读出。

This plan has been applied to GT4850 type switching power supply of 18-information-shift-frequency-power-supply-pannel and get expectable purpose.

实践证明，高功率因数加上软开关技术是改善开关电源功率因数并提高效率的有效方法。

And it can be used to connect lower mechanicalnesw graphite,can be used to connect lower mechanicalness graphite,ceramics or glass pipeline,and as supply＆drain stuff pipe for tanker,store pot,vesssl or used to nalance pipeline displacement, dimension change or used to balancepipelinedisplacement,dimension change or eliminate high frequency mechanical vibration causeed by climate or other frequency mechanical vibration caused by climate or other reasons.

波纹软管通过特殊的加工方法，改变了以往管道不能弯曲的特性，它可用来连接机械较低的石墨、陶瓷或玻璃管道，可作槽车、贮藏、容器或反应釜的给、排料管，可进行管道错位连接或用来平衡因气候或其它原因引起的管道位移、尺寸变化或用来消除高频机械的振动。

The different multi-fold of frequency can be controlled by adjusting input frequency and voltage, and then we use the MOBLE theory to achieve 2 of Defferent comparators,the Defferent comparators of the traditional theory needs double power supply, we makes it running by one.

接著我们利用MOBILE理论去实现两组差动比较器，传统论文中的差动比较器需要双电源，我们实现了只需要单电源的差动比较器。

As a result of the frequency conversion electrical machinery particularity, uses the junction to hand over the frequency changer power supply the electrical power system, caused the electric current and the voltage waveform has the distortion, the profile turned the nonsine wave by the original sine wave.

由于变频电机的特殊性，采用交交变频器供电的电源系统，使得电流和电压波形发生了畸变，波形由原来的正弦波变成非正弦波。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。