启

300t回转式铜精炼炉盖启闭装置及主要参数计算

Open and Close Devices for a 300t Rotary Copper Refining Furnace Cup

GUD型-电动高真空球阀是以电动装置驱动阀杆与球芯来执行启闭动作，达到接通或切断真空系统管路中的介质流。

GUD electric high vacuum ( pressure ) ball valve uses electric device to drive the stem and ball for open and close , thus to put through or cut off the medium flow in vacuum ( pressure ) pipeline .

他正在启一瓶葡萄酒的瓶塞。

He was pulling the cork from a bottle of wine .

此信确认鞠女士于2008年9月2日至2012年10月14日在ABC贸易公司担任销售经理一职。3.敬启者：

I am writing to confirm that Miss Ju was employed as a Sales Manager by ABC Trading from 2nd September 2008 to 14th October 2012 .

舞蹈艺术是以情启真、以情扬善、以情唤美的艺术

Dance Art is an art in which sentiment enlightens genuineness , extols benevolence , and arouses beauty .

液压启闭机CAD系统研究

The Research of Hydraulic Gate Hoist CAD System

WINDOWSnt下工作站远程自启及系统自动恢复方法

Windows NT workstation remote self boot and system self recovery method

用PLC实现一台软启动器控制两组两用一备电机的启停

To Achieve a Soft-starter Control Two Teams Two Uses a Stand-by Water Pump Motor Based on PLC

基于VB和PLC的水闸液压启闭机控制系统设计

System Design of the Headstock Gear with Hydraulic Pressure of Sluice Based on VB and PLC

并通过实例，实现了柔性机械臂系统的滑动关节在PID控制下的启停仿真。

A flexible robot arm simulation system is built under the PID control in this paper as an example .

离合式（CV型）高速棒材飞剪机的启制动特性分析研究

Analysis and study of startup and brake feature of CV high speed flying shear

奔驰一款柴油C级休旅车和E级轿车将会展出能源节约的停启和制动能源再生系统。

The carmaker 's new fuel-saving stop-start and brake energy regeneration systems will be showcased in a diesel C-class station wagon and a gasoline-powered E-class sedan .

自动控制时，PLC根据进水压力传感器提供的压力信号，判断是否启、停加压泵。

Under automatic control mode , the PLC judges whether opened or stopped the pressure pumps by the pressure signal which provided by hydraulic pressure sensor .

结果表明，HDPE热熔对接接头的抗开裂参量饱和启裂COD值在低温下具有一定的分散性。

The results show that the saturation initial crack COD of HDPE butt-fusion welded joint have the statistic variance inherently .

手动控制时，通过控制面板上的启停按钮手动控制2台加压泵启停，与PLC和变频器无关。

Under manual control mode , opening or stopping the pressure pumps by the buttons of control panel , had nothing to do with PLC and transducer .

VB6.0实现S7-200的启停控制

VB6.0 realizes S7-200 to open stops the control

事实上，分组话音充分利用话音的启毕（on-off）特性能有效地提高带宽利用率。

In fact , packet voice can efficiently exploit voice on off activity to improve bandwidth utilization .

仿真实验表明这是一种有效的控制策略，尤其在启停机过程及负载扰动过程较传统PID控制具有更好的鲁棒性和稳定性。

Simulation result shows that the designed fuzzy PID control strategy is better then traditional PID control strategy and fuzzy PID control system is of good robustness and stabilization .

对传统水闸液压启闭机控制系统进行了改进，提出了1种基于VB和PLC技术相结合的计算机控制方案。

The traditional headstock gear control system with hydraulic pressure of sluice is improved , a kind of control scheme based on VB and PLC is given .

TRT工程全自动启机和全自动停机控制

Fully automatic start up and shut down for TRT

Charpy裂纹试样的启裂点确定与动态断裂韧性

Crack initiation point determination and dynamic fracture toughness for Charpy pre-cracked specimen

分析了CV型飞剪机的运动与动作特征，讨论了主要执行元件对飞剪机启、制动特性的影响。

Analyze the movement and action of the CV flying shear . Discuss the main executive body influence the start and braking feature .

断裂实验表明，除了一个焊接接头紧凑拉伸（CT）试样是脆性启裂外，其它CT试样均在裂纹延性启裂并缓慢扩展后，发生脆性失稳断裂。

Fracture test indicated that brittle unstable fracture occured after ductile crack initiation and slow propagation for all the compact tension ( CT ) specimens , except one welded joint specimen was brittle crack initiation .

根据先启阶段确定的计划和捕获的用例，RUP指引着项目的进行。

With the plan approved and the use cases captured during the Inception phase , RUP steered the project the rest of the way .

本文分析并概述了上世纪从贵铝70年代初到80年代、平果铝90年代以及四川启明星铝业2002年引进的法国ECL公司电解天车的多功能配置。

Several multifunctional arrangement Patters of electrolytic crane imported from France ECL corp were analyzed and summarized in this paper .

采用PLC控制和计算机监控技术，选矿厂的破碎生产过程实现了设备自动启停和细碎机负荷的自动控制。

The automatic start and stop of equipment and the automatic control of the load of fine crusher in the crushing process of the concentrator were realized by applying PLC control and computer monitoring technology .

介绍了大型单轴燃气-蒸汽联合循环机组分散控制系统（DCS）的硬件配置和软件功能，阐述了联合循环机组的顺序启停和跳闸保护。

The paper introduced the characteristics of DCS system for large single shaft gas-steam combined cycle units , which is designed to meet the demand of Mark ⅵ control system .

结果表明，将超声瑞利波探测裂纹的强度法和时延法结合起来，采用脉冲回波重合法，确定的启裂韧性J（Ic）更能反映真实情况。

The results indicate that the measurement of ductile fracture toughness J_ ( IC ) is more accurate by combining the sonic intensity method with the delay time method and by adopting pulse-echo-overlap-method .

电力系统机组启停优化问题的改进DPSO算法

Unit commitment using improved discrete particle swarm optimization algorithm

接着详细分析了网络电话VoIP技术特点，网络电话业务中使用的会话启始协议SIP和实时传输协议RTP。

Followed by a detailed analysis of the features of Internet Phone VoIP technology , Session Initiation Protocol SIP and Real-time Transport Protocol RTP used in Internet Phone services .