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mechanical transducer
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  机械转换器
     This system is composed of electric mechanical transducer, pre guide valve level, displacement force transducer and hydraulic amplifier. It has the advantages of strong anti oil pollutant capability, simple structure, and reliable operation.
     该系统元件主要由电—机械转换器、先导阀级、位移—力变换机构和液压放大器 4部分组成 ,具有抗油污能力强、结构简单、工作可靠等特点。
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  “mechanical transducer”译为未确定词的双语例句
     The paper suggest direct self-control of indution motors, which does not use any mechanical transducer.
     本文对不用任何机械传感器的直接自调整控制进行了研究。
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  相似匹配句对
     Mechanical and electrical characteristics of cymbal transducer
     Cymbal换能器的力电性能
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     The Fabrication and Application of Micro-Mechanical System Transducer
     微机电系统传感器的制造和应用
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     Mechanical English
     机械英语 第一课
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     Mechanical English
     机械英语(第十一课)
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     Intelligent Transducer
     智能传感器
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  mechanical transducer
A mechanical transducer capable of recording simultaneously the variations of length in two perpendicular directions at 90° to each other was developed and implanted on the canine colon 10 cm distal to the ileocaecal junction.
      
The velocity of second soundu2in dilute solutions of3He in4He has been measured by a pulse, time-of-flight technique using a new type of mechanical transducer.
      
A novel geometry of bossed silicon membranes used as mechanical transducer has been studied by finite element modelling.
      
The system consists of a microsensor body, a mechanical transducer element made by precision mechanics, electronics, and the final package.
      
UV isomerisation in nematic elastomers as a route to photo-mechanical transducer
      
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Picrotoxin is an anatagninst of gamma-aminobutyric acid, which is an internal inhibition-transmitter in the central nervous system, Picrotoxin exerts a biphasic action on the blood pressure and heart rate in rats and cats in vivo. That is to say, in the initial stage, picrotoxin can lower the blood pressure and heart rate, and then an elevation of these two even above the original level can be observed, up to the present, from the authors limited literature, there has been no report dealing with the problem...

Picrotoxin is an anatagninst of gamma-aminobutyric acid, which is an internal inhibition-transmitter in the central nervous system, Picrotoxin exerts a biphasic action on the blood pressure and heart rate in rats and cats in vivo. That is to say, in the initial stage, picrotoxin can lower the blood pressure and heart rate, and then an elevation of these two even above the original level can be observed, up to the present, from the authors limited literature, there has been no report dealing with the problem whether picrotoxin can act on an isolated heart directly.In this study, the heart of a frog was isolated and routine intubation of the heart was done for its perfusion. Physiological polyconduction instrument was inserted through a mechanical transducer to record the heart rale and myocardial contractility. A suspending glass microelectrode coupling with a microamplifier is used to record the action potential of the ventricular myocardium. Real time analysis of all the data was accomplished with a microcomputer. The dosages of picrotoxin used were 1,5, 3.0, 6.0, and 12.0 mg per kilogram of body weight.It was found that picrotcxin can directly act on the isolated frog heart. The results were as follows.1 ) Picrotoxin exerts inhibition on the special conduction system of the heart,and the A-V node and venous sinus are very sensitive. Complete or partial transmission block can be induced.2 ) It can elicit clearly a fall of the heart rate but no biphasic action can berevealed. 3) It can reduce the myocardial contractility, suggesting that the calciuminflow during the functioning period of the action potential is effected. 4 ) It can reduce the amplitude of the action potential but no effect on themaximal depolarization speed is observed, suggesting that picrotoxin islikely to affect the level of resting potential but not the action potentialin the depolarized period.

中枢内抑制性递质—r—氨基丁酸对抗剂印防己毒在体时对大鼠、猫等的血压和心率有双相性影响,即,用药之初,使血压和心率降低,继而又高于正常水平。迄今尚无文献报道印防己毒对离体蛙心有无直接作用。行离体蛙心插管,经换能器输入生理多导仪,记录心率和收缩力;悬浮式玻璃微电极记录心室肌动作电位,用微机实时分析。印防己毒剂量为1.5,3.0,6.0,和12.0mg/kg。用给药前后自身对比行t检验。 结果表明,印防已毒对离休蛙心有直接作用。1)对心脏的特殊传导系统有抑制的作用,表现为完全性传导阻滞和部分传导阻滞。敏感的部位是房室结和静脉窦。2)减心率作用,使窦性心率明显减慢,但没有在体情况时的双相性变化。3)使心脏的收缩力下降,提示可能影响动作电位期间钙内流。4)使动作电位幅度下降,但对最大去极速度无明显影响,提示印防己毒可能影响休止电位的水平,但对零期没有影响。

The paper suggest direct self-control of indution motors, which does not use any mechanical transducer.This is devoted to those applications, for which the dyna- mical performances are not be optimized. At first the principles of calculating the exact speed and speed regulator are carried out. Then practical analog devices are described. At last, experimental results are given: the shown performances and static accuracy are good.

本文对不用任何机械传感器的直接自调整控制进行了研究。该方法可用于动态性能要求不高的工业生产中。首先提出了实际速度计算和速度调节器的设计原理,然后给出了电路原理图,最后给出的实验结果表明,系统具有较好的动态性能和静态精度。

According to the antipiezoelectric effect, an adhered multilayer piezocrystal electromechanical transducer and its drive circuit have been designed. Based on this, the multilayer piezocrystal electrohydraulic onoff valve have also been designed, and then the onoff characteristic experiment of this valve has been completed.

根据压电晶体的逆压电效应,设计了粘接式多层压电晶体电-机械转换器及其驱动电路.在此基础上设计了压电晶体型电液开关阀,进行了压电晶体型电液开关阀的开启特性实验.

 
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