控制元件

Since the lotus root decompression for the box to start the counter protective structure, there are auto-transformers, AC contactor, smart motor protectors digital display components, etc., and below 75 kilowatts for the products, the Department of the use of automatic control mode, and more than 80 kilowatts of products, with two automatic control mode manually, by the change-over switch to switch, smart motor protectors digital display of 0 ~ 240 seconds can be automatically adjusted to control start-up time, prepared autotransformer 60 percent have a rated voltage (65%) and 80% tap two groups, then the factory in 60%(65%) on tap, if you need a larger starting torque, which can be accessed by 80% in the tap, and there are overload, and loss of pressure off the protection.

自藕减压启动柜为箱式防护结构，有自耦变压器、交流接触器、智能数显电机保护器(时间继电器、时间继电器)等元件组成，对于75千瓦及以下的产品，系采用自动控制方式，80千瓦及以上的产品，具有手动自动两种控制方式，由转换开关进行切换，智能数显电机保护器在0～240秒内可以自动调节控制起动时间，自耦变压器备有额定电压60％（65％）及80％二组抽头，出厂时接在60％（65％）抽头上，如果用户需要用较大的起动转矩，可接在80％抽头上，并有过载、断相及失压保护。

The structure of control system, control modes of primary working parts, characters of PLC control units and development of IPC software were described.

介绍了控制系统的结构、主要执行元件的控制方式、PLC控制的特点以及IPC软件的编制。

On this background, I designed the system based on mini-computer chip and hydraulic equipment. The traditional systems are more complex, their efficiency and precision are not so high. While my design use the hydraulic element as the executive cell, and use the mini-computer as its control part. By this way, we can get a better system.

本设计在这样的背景下设计了用液压与单片机联合控制的控制系统，这里采用液压元件作执行机构，控制部分由电磁换向阀和微机系统共同实现，这样不仅大大简化了以前的液压系统，而且使机器的印花质量和效率也会有一定的提高。

High-precision spherical components have been widely used in precision machinery and aerospace industry, and spherical curvature is one of determinant to the capability of optical components, and the measure of it is an important matter in the optical component manufacture. So the research of the high precision measurement of spherical curvature has important significance.

中文摘要高精度球面元件在精密机械和航天工业中的应用越来越广泛，在光学生产的加工制造过程中也大量需要对具有球面形状的透镜的曲率半径进行高精密测量的情况，因此，球面元件曲率半径的精密测量对高质量球面样板，光学系统的质量控制等方面具有重要的意义。

The main objective of this thesis is to investigate the formation and properties of negative thermal expansion glass-ceramics containing β-eucryptite. The effects of composition modification (SiO2 content, the kinds and amount of nucleation agents, excess Li2O) on CTE were also examined.

在锂铝矽酸盐(lithium aluminosilicate，Li2O-Al2O3-SiO2，简称LAS)系统中的固溶体β–eucryptite相具有负热膨胀系数，其与正膨胀性的精密元件复合，可藉由应力补偿，控制该元件的尺寸变化，以防性质变异。

Then the thesis comes down to designing drawings of the loops in Pneumatic Transmission system ,and the size of Cylinders and device relationally are calculated in this thesis, with that devices of Cylinders control system are chosen.

论文涉及到各个气压传动回路图的设计，各个气缸及辅助元件的相关尺寸的计算，接着是控制回路中的各种气压元件的选择。

The active element drives in a time-divisional fashion the at least two light emitting elements using the at least one emission control signal during the display time subperiod of the display time period.

在显示周期期间每子显示周期期间所述有源元件使用至少一个发光控制信号分时驱动至少两个发光元件。

As the key element of the thermostatic valve the temperature sensing element plays the role of temperature sensing and force outputting.By absorbing the heat of the working fluid,the temperature sensing medium produces the capacity expansion which moves the regulating sleeve to control the fluid flow of input to control the temperature.

感温元件作为温控阀的关键元件起着感知温度和输出力的作用，感温介质吸收工作流体的热量产生体积膨胀，推动调节套筒调节进口冷热流体流量从而控制出口温度。

This phenomenon could be relaxed using the SONOS structure, thanks to the thin ONO layer between the control gate and the channel.

所幸这是可以使用介於控制闸与元件通道之间薄的ONO层之SONOS 元件结构来缓和这个现象。

The paper describes the selection principle of primary schemes for C-GIS and determines the general structure arrangement by comparing different elements and box structure, analyzes the insulating characteristics of SF6 gas and calculates the SF6 gas clearance and along surface insulation. It puts forward the factors that should be considered and strength analysis methods when designing gas chamber structure and analyzes the reasons of influencing the temperature rise of gas chamber and offers the ways of radiating. The vacuum circuit breaker and three-position disconnector are designed for C-GIS and special micro-computer controller for the three-position disconnector is developed. On the basis of new type sensors, suitable control and protection system for C-GIS is suggested. The type test items for C-GIS and its internal elements are introduced to prove that the development is successful.

本文论述了C-GIS产品的一次接线方案选择的原则，在比较各种元件构成及箱体结构的基础上确定了产品的总体结构；分析了SF6气体的绝缘特性，并对SF6气体间隙及沿面绝缘进行了工程计算；阐述了气室设计应考虑的主要因素及强度分析方法，对影响气室温升的原因进行了剖析，并提出散热措施；介绍了C-GIS用真空断路器及三工位隔离开关的设计技术；运用微机技术开发了专用的三工位隔离开关控制器；在阐述新型传感技术的基础上，提出了适用于C-GIS的控制和保护系统；简述了C-GIS产品及内部元件的型式试验项目，证明本产品的研制是成功的。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了