如果阀门用在高速流体(湍流)或热循环应用环境中，则螺纹阀座环应该锁焊到阀体上，避免松落。请在订购时加以指定说明。
Threaded seat rings for valves in services with high velocity turbulent flow or thermal cycling should be lock welded to the body to avoid loosening. Please specify.
主要对高速压缩机采用传统的浮环密封后出现的典型故障作分析，并对此类故障的解决和密封的改造提出解决办法。
This paper analyzes the typical fault of the high speed compressor after the floating-ring seal used in it and provides the method to resolve the fault.
文章介绍的是采用由高速脉冲计数器、PL C和光电增量编码器构成的位置环控制系统。
The article expound a kind of position control system that is made up of high speed pulses counter, PLC and light cell code device.
利用PLC高速计数模块直接将外部编码器发出的脉冲读入，在PLC内部编程，通过程序控制完全能取代位置控制器的所有功能，从而省出位置控制器这一环节。
The pulse is directly read out by utilizing PLC high-speed counting module, the function of the locating controller can be achieved by program, thus the locating controller are saved.
研究了径推动静压浮环轴承在高速运转时，计入迁移惯性项的轴承特性。
The characteristics of the radical-thrust hybrid floating-ring bearing considering inertia term were studied as the rotor-bearing is working with high rotary speed.
采用高速摄影和数字化处理的研究方法，对鞍马“隔两环宽臂支撑托马斯全旋”动作进行生物力学分析。
By the high -speed photography and digital processing , the authors biomechanically analyze the movement of Thomas flank circle with wide arms support between two rings on pommelled horse.
变质后高碳高速钢辊环在硬度不变的情况下，冲击韧性提高了73.6 %。
Compared with the high carbon high speed steel without modification treatment, the impact toughness is increased by 73.6 %, with same hardness.
新加坡访问其他地方的是便捷，快速和车站环高速公路和克拉码头地铁站仅几步之遥。
Accessing other parts of Singapore is quick and convenient with Central Expressway and Clarke Quay MRT station just a few steps away.
当用于高速流体（湍流）或热循环应用时，为了避免松开，螺纹阀座环应该锁焊在阀体上。请在订购时加以指定说明。
Threaded seat rings should be lock welded to the body when used in high velocity (turbulent) or thermal cycling services to avoid loosening. Please specify.
本文介绍了一种中、高速柴油机上使用的螺旋弹簧式组合油环的设计依据、计算方法及结构特点，总结了在120型柴油机上的试验结果。
In this paper, the design basis, calculation method and construction feature of the new type composite oil ring with helical spring used in the medium and high speed diesel engine are described.
为了实现高速度、高加速度和高精度伺服系统的设计，系统的位置环采用智能PID控制。
Then, the paper analyzes a kind of intelligence PID control method and design the intelligence PID controller for the servo system.
本文介绍了现浇混凝土薄壁管桩技术及其在上海北环高速公路软基加固中应用。
Thin-wall Pipe Pile Using Cast-in-situ Concrete (named PCC) technology and the application in soil improvement of Shanghai Beihuan express way are introduced.
环缝洗涤器内是一个高速可压缩三维流动过程，并伴随有高炉煤气和雾化水滴的两相流动传热。
In the annular gap scrubber, there exists complicated three-dimensional compressible flow associated with the two phase flow and heat transfer between gas and water particle.
研究了高速钢成分、离心铸造工艺参数和复合变质处理对高速钢辊环性能的影响。
We research the effect of high speed steel compositions, centrifuge casting technology parameter and composite modification on the properties of high speed steel roll collar.
设计了以DSP为控制器、集成电路构成高速滞环电流比较器的电机调速系统。
The motor speed driving system USES DSP as controller and USES high-frequency delay-loop current comparator composed of integrated circuit.
该区域分别为五环路，四环路，机场高速路和京承高速路环绕，距离中心城区30公里，距离首都机场11.5公里。
The region is surrounded by the Fifth Ring Road, Fourth Ring Road, Airport Highway and Jingcheng Road. It is 30 kilometers away from downtown and 11.5 kilometers from the capital airport.
本发明涉及一种大型高速电机用薄壁护环的制造方法。
The invention relates to a method for manufacturing thin-wall guard rings for large-sized high-speed motors.
环锤式破碎机经高速转动的锤体与物料碰撞物料，它具有结构简单，破碎比大，生产效率高等特点，可作干、湿两种形式破碎。
Ring hammer crusher by high-speed rotating hammer and material crushing material, It is simple in structure, big crushing ratio, high production efficiency. Used for dry, wet two forms.
为北京城市五环、六环，太旧高速、石黄高速、京承高速、北京城市铁路交通建设做出了贡献。
It plays an important role in the construction of Beijing urban rail transit , such as Wuhuan Road, Liuhuan Road, Taijiu High-speed Road, Shihuang High-speed Road, Jingcheng High-speed Road.
扩张角的增加可提高速度环量，但是流动混合损失增加，总压恢复系数减小。
The increase of lobe diffusion angle results in the increase of velocity circulation at the lobe exit section, but it raises the mixing loss and lowers the pressure recovery coefficient.
为满足高速和精确的采样，论文在控制器硬件中设计了锁相环电路。
The PLL circuit has been designed in the controller to meet the requirement of high-speed and accurate sampling.
昨日上午，沈阳绕城高速公路改扩建和沈阳四环快速路工程开工仪式在绕城高速公路石桥子收费站举行，在2013年全运会召开之前，两条环路将全部竣工通车。
Shenyang kicked off yesterday morning at a toll station on the third ring road. Before the National Games in 2013, the two ring roads will be completed.
牙轮钻头目前的发展趋势是实现高速化，随着钻头转速的不断提高，在恶劣环境下工作的普通轴承密封这一环节的薄弱性将显得越来越突出。
The recent development trend of cone bits is to realize their high speed. Faster the speed of bit is, the more weak of common bearing seals worked under the rough environment is.
园区距京台高速出口仅8公里，经京台高速，驱车30分钟，即达北京南三环刘家窑桥。
It is only 8 kilometers away from the exit of Jingtai Expressway, just taking 30 minutes' drive to Liujiayao Bridge of Beijing S. 3rd Ring Road by way of Jingtai Expressway.
园区距京台高速出口仅8公里，经京台高速，驱车30分钟，即达北京南三环刘家窑桥。
It is only 8 kilometers away from the exit of Jingtai Expressway, just taking 30 minutes' drive to Liujiayao Bridge of Beijing S. 3rd Ring Road by way of Jingtai Expressway.
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