Since the increase of raw coal feed leads to lack of plank filter capacity in slurry system, ZKG300/2000-type quick-operating diaphragm pressure filters are used in Pansan Mine Coal Preparation Plant that decreases the moisture of filter cake and shortens circuit time, solves the problem of lack of slurry throughput.
针对由于原煤入选量增加引起的煤泥水系统板框式压滤机能力不足的问题，潘三矿选煤厂在实际运行中采用ZKG300/2000型快开式隔膜压滤机，达到了降低滤饼水分和缩短循环时间等应用效果，解决了该矿煤泥水处理能力不足的问题。
The fluctuation in feed characteristics, the voltage in power net and the flow rate in the circuit of pulp trasportation also disturb the dynamic behaviour.
利用玻璃球、石英、磁铁矿试料在微型电振摇床、快速摇床及离心选矿机上对其分选行为作了详细而系统地考查。
Beijing Institute of Radio Measurement - radar, communication and electronics, precision tracking and guidance radar, instrumentation radar, intelligence surveillance radar, weather radar, vessel and air traffic control radar system, precision antenna, feed system and servo control system, high stability, multi-waveform transmitting system, various precision low noise receiving system, digital signal processing and data processing technology, signal simulator, display system, TV tracking system and automatic test system, computer applications including computer control, business management and simulation technique, network engineering, radar mechanical design, technology and quality control, microwave ferrite material and device, microwave mixed integrated circuit device, surface acoustic wave technology and device, broadcast transmitter and satellite communication station
中国航天科工集团北京无线电测量研究所-雷达、通讯、电子信息、综合系统，精密跟踪制导雷达、测量雷达；情报警戒雷达、气象雷达、空中及港口交通管制雷达系统工程；精密天线、馈线及控制伺服系统；高稳定性、多波形发射系统；高精度、低噪声接收系统；数字信号处理和数据处理技术；信号模拟、信号显示技术、电视跟踪、自动测试系统；计算机应用、控制、事务管理、仿真技术、网络工程；雷达结构、工艺和质量控制研究；微波铁氧体材料与器件；微波混合集成电路器件；声表面波技术与器件、广播发射机、卫星通讯站
It is pointed out that the delay path match of the clock boosting circuit is the critical factor that affects the effectiveness of clock feed-through compensation.
文章分析了由于栅电压自举开关的时钟馈通效应引入的非线性及其补偿策略，详细讨论了各种时钟馈通补偿结构及其存在的问题。
To study effect of the non-ideal factors of charge pump such as clock feed-through, charge injection and current matching, a novel structure for a charge pump circuit is proposed to achieve perfect current matching.
在电路实现方面，讨论了鉴频鉴相器的各种结构，针对如何克服鉴频鉴相器死区和提高电路的工作频率，对电路结构进行了优化设计。
The pin configuration of the invention comprises an installation underlay 1 of the infrared detector, a down-lead circuit 2, a cold platform 3, a feed-through collar 4, a Dewar shell 5 and metal leads 6 with low thermal conductivity.
本发明的引线结构包括红外探测器的安装衬底1、引线电路2、冷平台3、引线环4、杜瓦外壳5和低热导率的金属引线6。
To a level shift basic circuit having a CMOS configuration and composed of four transistors M1 through M4, a control circuit for preventing feed-through current through the transistors is added.
本发明公开了一种电平位移电路，其目的在于：抑制在CMOS结构的电平位移电路中产生贯通电流。在由4个晶体管M1～M4构成的CMOS结构的电平移位基本电路10中，加了用以抑制其贯通电流的控制电路20。
Based on that, a new clock feed-through compensation configuration and corresponding bootstrapped switch are presented and designed optimally with the UMC mixed-mode/RF 0.18 μm 1P6M P-sub twin-well CMOS process by orientating and elaborately designing the switch MOSFETs that influence the delay path match of the clock boosting circuit.
指出了时钟自举电路的延时路径匹配是影响时钟馈通补偿效果的关键因素，在此基础上提出了一种新的时钟馈通补偿结构及其相应的栅电压自举开关，通过对影响时钟自举电路延时路径的诸开关管的定位，在UMC混合/射频0.18μm1P6M P衬底双阱CMOS工艺条件下对其进行了优化设计。
By means of analyzing the fast feed circuit of the hydraulic system of KY-120 underground rotary drill, the main factors which affect the service life of feed cylinder are revealed and some suggestions are put forward for the improvement of the fast feed circuit.
从分析KY-120型地下牙轮钻机液压系统的快速推进回路入手，指出了影响推进油缸使用寿命的主要原因，并提出了改进意见。
For the different characteristics of wire and base metal of welding process, the equivalent short-circuit current Ies and equivalent arc current Iea are defined to analyse the affect of welding energy distribution and reveal the mechanism of the low heat input of the push-pull short-circuit CO2 welding technics. When the wire feed speed is invariablenes, in order to lower the base metal heat input in welding process, the promoted function by the wire resistance heat should be adopt to lower the arc heat in arc period.
针对焊接过程中焊丝与母材熔化的不同特点，利用等效短路电流Ies和等效燃弧电流Iea分析了电阻热对焊接能量分配规律的影响，从而揭示了推拉丝短路过渡低热输入的机理：在送丝速度不变时，充分利用电阻热对焊丝熔化的促进作用可以有效降低燃弧期间的电弧热量，从而降低了焊接过程对母材的热输入。
We can look at the closed-circuit security feed.
去看看闭路电视里有什么先
In the electrical cotrolling unit we mainly expatiate the sensor`s measuring circuit, pulsing siganal`s output circuit, and the encoding unit`s feed-back circuit.
测量仪的测量原理是利用步进电机步距角的细分技术，对电机进行减速后，利用滚珠丝杠的转换，在直线上可获得微小位移。
Aiming at the characteristic of pulse submerged arc welding process with change wire= feed system, the simuloting model was developed by the software of MATLAB/ SIMULINK which consists of the main circuit simulation model, arc load system simulation model and arc changing system simulation model.
针对变速送丝调节系统脉冲埋弧焊的特点，利用MATLAB/IMULINK软件对其动态过程进行了研究，建立了主电路仿真模型、弧负载系统仿真模型及弧长变化系统仿真模型，并在此基础上形成了系统的整体仿真模型。
First, according to the request of slide manufacturing, proposes technical specification of micro-feed positioning system; Then, based on step-motor + high precision ball screw transmission pattern, designed the machine part of the micro- feed positioning system, including the mechanism parts design, each outsourcing parts choosing, and computation verification; Finally, in view of the mechanical platform which designed, designs monolithic integrated circuit control system, including the hardware circuit design and the software routine design, realizes high accuracy positioning through software and hardware union debugging.
然后，基于步进电机驱动高精密滚珠丝杆的传动模式，设计了微进给定位平台的机械结构部分，包括机械结构设计，各外购零部件的选型，并就刚度变形，承载载荷等物理参数进行了计算校验；最后，针对所设计的机械平台，设计制作了基于智能软件细分的单片机控制系统，控制运动执行机构的精密运动，包括硬件电路设计和软件程序设计，并通过软硬件结合调试实现待加工板相对于加工板的高精度定位，满足滑板加工要求。
The switch is installed on the tank well of compounded transformer, the transformer oil is used for its insulating and are eliminated material. It is suitable for three phase power supply circuit with rated frequency 50Hz, rated voltage 10kV、35kV, rated current 315 A and 630A. In the radial feed or loop feed supply system, it is used as controlling and protective device in the industry civil used electric energy.
开关安装在组合变压器的箱壁上，以变压器油为绝缘和灭弧介质，适用于频率50Hz，额定电压10kV、35kV，额定电流315A、630A三相供电线路，在终端供电或环网供电系统中，作为工业、民用电能的控制和保护装置。
The polarization-agile of the whole array from linear polarization to circular one is achieved by electrically controlling the only active circuit at the feed port.
该天线在馈电端电控单一有源电路就可实现整个微带天线阵由线极化到圆极化的极化捷变和信号放大。
The to feed system uses step-by-steps the motor-driven roll-over stand and the conveyer belt, by the monolithic integrated circuit structure primarily control system effective realization control and the good man-machine contact surface, enabled the stacker to have the area slightly, the operation simple characteristic.
进给系统采用步进电机驱动翻转架和传送带，以单片机结构为主的控制系统有效的实现了控制及良好的人机界面，使得码垛机具有占地面积小、操作简单的特点。
It composed pure resistance, that is FET transistor、operation amplifier、transistor and full-wave bridge; since impedance is a pure resistance no harmonic frequency by changing direct control voltage; the feed-back loop having best steady reference DC voltage, the differential amplifier is quite plus, the circuit is essentially linearly, the equipment having lofty stabilization precision.
形成这只阻抗器的电路由场效应管、运算放大器、晶体管和整流桥组成；这只阻抗器的等效电阻是纯电阻，所以在调整电压的过程中不会产生谐波，也就是不会产生正弦波失真；反馈控制网络有极稳定的基准电压，比较器是增益很高的运算放大器，电路有非常好的转换线性，因此该装置有很高的稳压精度。
An injection type shunt hybrid active power filter was analyzed, it can suppress harmonic currents and compensate high capacity reactive power, nevertheless, a sharp boosting on DC-side voltage was found in application. Based on the analyses of the reasons, different solutions was proposed such as adoption of main circuit of multiple performances, the use of hysteretic control method, fore-feed control of reflowing current or direct control on DC-side voltage without a rectifier to supply.
研究一种兼具大容量无功补偿能力的注入式并联混合有源滤波器，并分析其在工程应用中发现的直流侧电压抬升现象及这种现象产生的原因，在此基础上提出从采用多重化主电路结构、滞环控制法、回灌电流前馈控制法和脱离整流电源直接对直流侧电压进行控制等几个方面来抑制直流侧电压抬升的方法。
In contrast with the feed-forward modulator structures presented before, the adder is excluded from the proposed modulator. The circuit complexity and chip area are decreased.
与其它带前馈通道的调制器相比，本文提出的调制器结构不含加法器，有效地降低了电路的复杂度及芯片面积。