查询词典 switch-board

To overcome the shortcomings of existing switch slide baseplates, a kind of epoxy composite was designed to act as lubricating coating for a switch slide baseplate.

针对我国传统铁路滑床板在应用过程中存在的浪费和污染问题，研制了环氧树脂基减摩复合材料涂层以替代润滑油层，改善滑床板的性能。

In order to overcome the shortcomings of present switch slide baseplates, a kind of epoxy composites was designed as lubricating coatings for switch slide basplates.

本研究为了解决铁路滑床板在应用过程中存在的弊端，采用环氧树脂基减摩复合材料涂层替代润滑油层来改善滑床板的性能。

The introductive robot arm of this text can output two lines pulses by the PLC, driving the horizontal stalk, and the perpendicular stalk to drive the electrical engineering actuator respectively, to control the robot arm precision of the horizontal stalk and perpendicular stalk at the fixed position, tiny move switch input the position signal to the PLC.The direct current motor drags along to begin the claw and bedrocks to revolve, the position signal from revolve the code dish and near to the switch feedback to host of PLC;The electromagnetism valve control the machine hand open and close, thus carry out the function of the machine hand precision work.

本文介绍的机械手是由PLC输出两路脉冲，分别驱动横轴、竖轴步进电机驱动器，控制机械手横轴和竖轴的精确定位，微动开关将位置信号传给PLC主机；直流电机拖动手爪和底盘旋转，位置信号由旋转码盘和接近开关反馈给PLC主机；电磁阀控制气开阀的开关来控制机械手手爪的张合，从而实现机械手精确运动的功能。

At the instrumentation products, are the United States Dwyer, Antunes Controls, AutoTran, Lighthouse, Sweden SenseAir, Switzerland BELIMO, Germany Beck's authorized dealers, etc., these products include pressure switch / pressure switch, pressure change delivery, and pressure gauge / pressure table, temperature / humidity / dewpoint sensors, liquid level, flow meters, flow switches and transmitters, carbon dioxide, carbon monoxide sensors, airborne particle counter and so on, are widely used in HVAC , air-conditioning, chip manufacturing, semiconductor, food, pharmaceutical, bio-engineering, intelligent buildings, power plants, chemical industry, water treatment, environmental monitoring, industrial manufacturing and other fields, while the company is gradually taking shape self-developed product line.

在仪器仪表产品方面，是美国Dwyer、 Antunes Controls、AutoTran、Lighthouse、瑞典SenseAir、瑞士BELIMO、德国Beck等公司的授权代理商，这些产品包括压力开关/压差开关、差压变送器、压力表/压差表、温度/湿度/露点传感器、液位、流量计、流量开关及变送器、二氧化碳、一氧化碳传感器，尘埃粒子计数器等，广泛用于暖通、空调、芯片制造、半导体、食品、制药、生物工程、智能楼宇、电厂、化工、水处理、环境监测、工业制造等领域，同时公司正在逐步形成自主开发的产品线。

GaAs RF switch MMICs for cellular phone; GaAs RF power amplifier MMICs for cellular phone; GaAs RF switch MMICs for base station; GaAs RF attenuator MMICs for base station; RF module for base station; GaAs power amplifier MMICs for CATV; MOSFET power devices;SAW resonators; SAW filters; SAW duplexers; N type and P type 4＂-6＂silicon epitaxial wafers.

这次参展的产品有：用于移动蜂窝电话的砷化镓射频单片集成电路；用于移动通信基站的射频IC及电路模块；用于CATV的砷化镓IC；MOSFET等功率器件；声表面波谐振器；声表面波滤波器；声表面波双工器；4＂-6＂N型和P型各类硅外延片。

Put epoxy around and behind the switch, but be careful not to get any in the switch.

各地把环氧树脂和背后的开关，但小心，不要让任何的开关。

Key studies PLC the safety control electric circuit, the floor control circuit, the switch gate design, as well as starting switch gate procedure, upward downward procedure, floor control procedure, automatic orientation procedure compilation.

重点研究PLC的安全控制电路、楼层控制电路，开关门电路的设计，以及启动开关门程序、上行下行程序、楼层控制程序、自动定向程序的编写。

KEY WORDS:Fireworks;Core switch; Floor switch; Server; Work station; The customer carries

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The measuring systems are successfully used in the electromagnetic pulse measurement generated by impulse voltage discharge and switch operation in 500kV substations. Full waveforms of transient electric field, transient magnetic field, transient voltage of high frequency relay channels and low voltage alternative current power during switch operation period have been obtained, and the fast transient pulses in high frequency relay channels and AC power have been caught.

将该套测量系统成功地应用于500kV变电站开关操作产生的电磁脉冲的研究中，得到了开关刀闸操作时暂态电场、磁场、高频通道、交流电压等的完整波形，发现低压交直流电源系统和高频保护通道中存在非常严重的脉冲群干扰，初步解释了变电站二次电源模块经常损坏和高频保护经常误动的原因，提出了加强保护和研究的建议，进一步验证了测量系统的先进性。

The company has independently developed, development, production of the products have six series, more than 400 varieties, including: wire and cable series: high-temperature compensation wire, control cables, fire-retardant cables, anti-corrosion cable, power cable, 6 ~ 110KV crosslinked power cables, computer cables, silicon rubber cables, high temperature cables, fire-resistant cables, low smoke low halogen, low smoke zero halogen cables, such as the main cable tray; Temperature Instrument Series: ITS900 in line with the International Temperature Scale and IEC standards A, B-grade Thermocouple , Explosion-proof Temperature Transmitter integration, intelligent all-input temperature transmitter; Pressure / Differential Pressure Meter Series: general pressure gauges, precision pressure gauges, pressure / differential pressure switch, the general stress / Differential Pressure Transmitter, 1151 , 3051 smart capacitive pressure / differential pressure transmitter; Level Instrument Series: glass / glass level gauge, quartz glass tube liquid level, the electric-contact level gauge, magnetic liquid level transmitter, magnetic liquid level switch, input-type hydrostatic liquid level transmitter, liquid level transmitter float electricity, etc.; Flow Meters Series: All English Intelligent Vortex Flowmeter, Turbine Flowmeter; Display Instrument Series: Intelligent Control LED digital display device, Intelligent LCD screen controlled device, Guangzhu instructions figures, such as conditioning Alarm.

公司自主研制、开发、生产的产品主要有六大系列、400多个品种，其中有：电线电缆系列：高温补偿导线、控制电缆、阻燃电缆、防腐电缆、电力电缆、6～110KV交联电力电缆、计算机电缆、硅橡胶电缆、高温电缆、耐火电缆、低烟低卤、低烟无卤电缆主电缆桥架等；温度仪表系列：符合ITS900国际温标和IEC标准的A、B级热电偶，防爆型一体化温度变送器、智能全输入温度变送器；压力/差压仪表系列：一般压力表、精密压力表、压力/差压开关、普通压力/差压变送器，1151、3051智能电容式压力/差压变送器；液位仪表系列：玻璃管/玻璃板液位计、石英玻璃管液位计、电接点液位计、磁性液位变送器、磁性液位开关、投入式静压液位变送器、电浮筒液位变送器等；流量仪表系列：全中文智能涡街流量计、涡轮流量计；显示仪表系列：智能LED数字显示调节控制仪、智能LCD界面显示调节控制仪、光柱指示数字显示调节报警仪等。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。