This paper introduces the chemical vapor deposition ( CVD ) process applied to artificial heart valve disc coating and determines the coating technology on the basis of test .

介绍了热解碳的性能和人工心 瓣 瓣 片热解碳涂层的制备方法，并通过试验讨论了影响热解碳涂层性能的工艺条件。

CCD electric ultra-high vacuum gate valve uses electric device to drive the stem moving valve disc updown to make the valve opened or closed .

CCD型电动超高真空插板阀是通过电动装置驱动阀杆带动 阀 板作上下运动，达到阀门的开启或关闭。

The valve body and disc of valve shall be made of ductile cast iron .

阀门 的 阀体、 阀 板制造材料应该是球墨铸铁。

The line pressure required to open the valve is a function of the disc / piston weight and the size of the port diameter .

开启 阀门所需要的管道压力取决于 阀 瓣／活塞的重量和阀门端口直径的综合作用。

The paper presents an analysis of valve disc grinding technology . To improve grinding efficiency and grinding quality on the basis of high - speed - force form plunge - in grinding a special grinder is newly developed for valve disc form grinding .

分析了 气门 盘部的磨削工艺，为提高 气门 盘部磨削效率和质量，根据高速强力成型切入磨削的原理，介绍了一种新研制的适合于气门盘部成型磨削的专用磨床。

Slamming of check valves is the result of failure of the valve disc to reach its closed position before the fluid flow reversal .

止回阀的撞击现象，是由于在流体倒流之前，阀门的 阀 瓣没有到达关闭位置造成的。

Clinical use of a new type of heart valve prosthesis ( g-k disc valve ): a preliminary report on 102 cases of mitral valve replacement

新型人工机械 瓣（GK瓣）的临床应用 &102例二尖瓣替换术的初步报告

The check valve comprises a resilient disc held in place and biased closed by the tensile stress of the check valve material .

该止回 阀包括被止回阀材料的张应力保持到位并且偏压成被关闭的弹性 圆盘。

From March 1984 to December 1992 patients had valve replacement of tilting disc prostheses calf heterograft and St.

本院自1984年3月至1992年12月，应用侧倾 碟瓣、牛心包生物瓣和St.Jude瓣施行 心脏 瓣膜替换122例。

The valve is made up of body disc axle seal actuator etc.

扇形 闸门由本体、 扇形 闸板、轴、密封副、执行机构等部件构成。

The rotating disc servo valve comprises a signal input disc and a feedback disc .

转盘式伺服 阀包括信号输入 转盘和反馈转盘。

For horizontal flow applications the valve must be installed with disc hinge pin in the vertical position to insure proper operation .

对于水平应用场合， 阀门必须配置垂直 阀 瓣铰销，以保证正常工作。

Straight moving type relief valves mainly valve disc valve body spring-loaded roof regulation pole conditioning nut and other integral parts .

直动型溢流阀，主要有 阀芯、阀体、弹簧、上盖、调节杆、调节螺母等零件组成。

The performance of live steam valve for steam turbine is greatly influenced by the profile of valve disc . Three types of elementary valves are designed .

阀 碟型线对汽轮机进汽阀的性能影响很大，本文设计了三种形式的基元阀，通过数值模拟手段研究了 阀 碟型线对 流场的影响；

Design of gear change mechanism for valve disc

液压 配 气机构的动力学 计算 阀门变速驱动装置设计

The structure design work principle function and application of soft and hard combined seal of valve disc were introduced .

介绍一种 阀门 启 闭 件软硬组合密封结构设计、工作原理、功能及应用情况。

The utility model is mainly composed of electromagnet a valve core a valve disc a chassis a connecting pipe and a guide frame .

它主要由电磁铁、阀芯、 阀 盘、底盘、连接管和导架组成。

Flow vibration in turbine control valve is the major consequences of valve stem rupture valve disc damage as well as the resonance of valve and its pipings .

调节阀的流体振动会造成阀杆疲劳断裂与 阀 碟的损坏，以及整个阀门及管道系统的共振。

Firstly based on a series of domestic and international standards of safety relief device this paper managed to match the relationship of operating pressure between safety valve and bursting disc when they were cascaded together as safety relief device .

本文首先根据国内外标准确定了安全 阀与爆破 片串联组合泄放装置动作压力的匹配关系。

Fluid control one-way valve used cone disc sealed a good performance .

液控单向 阀采用锥形 阀芯，因此密封性能好。

High-Speed-Force Form Grinding of Valve Disc

气门 盘部的高速强力成型磨削

Since stop-check valves have a floating disc member it is important the valve be sized to provide full disc lift under flow conditions prevailing during the major portion of the service life .

由于截止止回阀具有一个浮动阀瓣构件，因此重要的是要确定在平常的流体环境下及 阀门的使用寿命期限内，能够为 阀 瓣提供足够提升力的通径。

The resiliency of the seal allows the valve body and disc to contract or expand without the risk of jamming due to temperature fluctuations .

密封的弹性使得 阀门阀体和 阀 瓣能够接触或扩张，避免了由于温度波动而产生堵塞的危险。

The Application of Sandwich Valve Control Technique in Double Disc Surface Grinding Machine Hydraulic System

叠加 阀控制技术在双 端面磨床液压系统中的应用

CC manual ultra-high vacuum gate valve uses a handle to drive valve disc up and down to perform open and close action .

CC超高真空插板阀是以手柄带动 阀 板作上下运动使 阀板开启或关闭。阀门用于接通或切断真空管路中的气流。

It is suggested the valve disc diameter and valve speed being reduced and cylinder liner with large diameter being used .

建议尽可能减小 阀 盘直径和运动速度，并尽可能使用大直径缸套。

Safety valve ( or bursting disc ) relieving capacity calculation sheets

安全 阀（爆破 片）排放量计算书

To replace the relief valve disc hold the upper guide fin and unscrew the diaphragm pressure plate .

要更换安全 阀 阀 瓣，握住上部引导翼，旋下隔膜压力板上的螺丝。

Using a phillips screwdriver remove the screw in the relief valve disc and replace the disc if required or clean the existing disc .

用十字形螺丝刀，拆卸安全 阀 阀 瓣内的螺丝，如果需要则进行更换，或者清洗原有的阀瓣。