OBJECTIVE To summarize the clinical experience of cardiopulmonary bypass in double valve replacement.
目的回顾性总结主动脉瓣和二尖瓣联合瓣膜置换术的体外循环经验。
So a new design scheme about double valve compensation feedback control system based on adaptive load is proposed.
基于这种情况，本课题提出了基于负载自适应的流量伺服阀和电液比例溢流阀双阀反馈补偿控制方案。
Objective To investigate the influence of rehabilitation intervention on patients with cardiac double valve replacement.
目的观察康复护理对心脏双瓣膜置换术后患者早期康复的影响。
CONCLUSION: Respiratory exercise is an effective method for reducing the pulmonary complications of patients with heart double valve replacement.
结论呼吸运动训练是减少心脏双瓣膜置换手术患者肺部并发症的有效措施。
AIM: to instruct the respiratory exercise in patients with heart double valve replacement, so as to prevent the occurrence of pulmonary complications.
目的指导心脏双瓣膜置换术患者进行呼吸运动训练，预防肺部并发症。
Mitral valvoplasty in 2 patients and mitral valve replacement in 9 and aortic valve replacement in 3 and double valve replacement in 10 were performed.
全组行二尖瓣成形术2例，二尖瓣置换术9例，主动脉瓣置换术3例，二尖瓣、主动脉瓣双瓣膜置换术10例；
Objective: To evaluate the effect of preservation of the entire mitral subvalvular apparatus during double valve replacement on left ventricular functions.
目的：评价保留二尖瓣全瓣下结构对双瓣替换者术后左心功能的影响。
The result shows that superfluous force is less in double valve parallel control system than that in single valve control system, and the precision of dynamic loading is increased.
仿真和实验结果表明：加载系统采用双阀并联控制比单阀控制的多余力明显减小，动态加载精度明显提高。
This invention relates to structural changing of the waste water drain trap in housing construction and the double valve water tank of the waste water filter and sanitary ware urinal.
本发明涉及改变住宅建设排水管结构及废水过滤器和卫生洁具便池双阀水箱，改变各楼层废水排水管结构利用二次水自流过滤流入便池水箱冲洗便池及冲洗拖布。
Objective To evaluate the effects of various myocardial protections on the rate of myocardial oxygen uptake in patients undergoing mitral and aortic valve replacement (double valve replacement, DVR).
目的了解不同心肌保护方式对二尖瓣和主动脉瓣双瓣膜置换手术心肌氧摄取率的影响。
In dealing with the relationship of the servo valve position control and the adaptive control, the Double-loop control is adopted.
提出了伺服阀的位置控制和颤振的控制关系上采用可切换的双通道控制形式的设计思想。
The press takes use of advanced two-way cartridge valve system and imported electric pump technology which can realize double closed loop control of pressure and flow rate.
液压系统采用了先进的二通插装阀系统、进口高性能的电子泵技术，实现了主缸压力与流量的双闭环控制；
The TK-DL can test pressure vacuum breakers, reduced pressure backflow preventers or double check valve assemblies.
TK - DL可以检测压力真空断路阀，减压防回流阀或双止回阀总成。
Designed to test pressure vacuum breakers, reduced pressure backflow preventers or double check valve assemblies, allowing you to eliminate both pressure and differential test gauges.
适用于检测压力真空断路阀，减压防回流阀或双止回阀总成，不再需要压力表和压差表。
This paper introduces an electrohydraulic control system based on PLC. A double close - loop control system with electro - hydraulic proportional valve is adopted.
一种基于PLC的电液自动控制系统，采用了电液比例阀的双闭环控制系统。
When disconnecting cylinders with diaphragm valves, it is most important to double close the valve and to properly install the outlet seal.
当切断钢瓶和隔膜阀的连接时，两次关闭阀门和正确安装排气口密封是最重要的。
Series 719 Double Check Valve Assembly shall be installed at each noted location.
系列719双止回阀总成应该安装在每个标注的位置上。
The main valve spindle incorporates an inner spindle for double regulation memory stop and valve position setting.
主阀轴配置一个内轴，适用于双重调节止动记忆和阀门位置设置。
The harmonic screw type valve is driven by the double wave harmonic screw. It can transform circle movement to line movement for the closing and opening of the valve.
谐波螺旋式阀门采用双波谐波螺旋传动，实现由圆周运动向直线运动的转化，实现阀门的启闭。
In order to improve its reliability, the main electric connection mode with double 12-pulse valve groups is adopted.
为此，在一次接线上采用了双12脉动阀组接线，使得一个阀组故障时仍可传送一半功率。
Switching valve division has been using the double pump patented corrosion resistant ceramic leakproof structure to ensure that fluid does not leak slurry drops.
双泵开关阀体采用本司已获专利的耐腐蚀陶瓷防漏结构，确保色浆滴浆不漏。
Along with the standard Red Valve sleeve, we offer Double Wall (DW), Reduced Port (RP), and Cone sleeves for special applications.
作为美国红阀公司的标准配置，我们可以提供双层(DW)，缩小流道(RP)，以及锥形套管以满足特殊需求。
One valve includes a cap (56) that provides a double seal (58, 60) .
一个阀门包括提供了双重密 封件（58、60）的盖子（56）。
The working principle of the piezoelectric membrane pump with the series-connected double Chambers and the holistic opening valve was analyzed theoretically and its structure design was given.
阐述了带整体开启阀的双腔串联压电薄膜泵的工作原理并给出结构设计。
Double disc check valve consists of body, disc, valve rod and spring and other parts. The valve is designed with slim light weight.
双瓣止回阀主要由阀体、阀瓣、阀杆及弹簧等重要零件组成，并采用薄型轻巧设计。
The paper describes some precautions in field operation and regular maintenance of MCEVOY "C" double ram valve.
前言：本文简要介绍MCEVOY“C”型双闸板阀的现场操作及定期保养中的几个注意事项。
The reversed tainter valve of double plate type will be used in the TGP's lock filling and emptying system.
三峡船闸输水系统阀门设计拟采用双面板式反向弧形门。
Series 709 Double Check Valve Assemblies are designed to prevent the reverse flow of polluted water from entering into the potable water system.
系列709双止回阀总成适用于防止受到污染的水回流进入到饮用水系统中。
Series 709 Double Check Valve Assemblies are designed to prevent the reverse flow of polluted water from entering into the potable water system.
系列709双止回阀总成适用于防止受到污染的水回流进入到饮用水系统中。
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