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constant-current pulse
相关语句
  恒流脉冲
     Nerve stimulator with single-phase constant-current pulse
     单相恒流脉冲神经刺激器的设计
短句来源
     This Paper put forward the technological demands and six special problems for designing noninvasive temporary pacemakers, based on the comparison between the implanted pacing method and the noninvasive temporary pacing method. It also provided the scheme and the method to measure the output impedance of constant-current pulse outputing pacemaker.
     在对植入式起搏方式与临时性非侵入式起搏方式进行比较的基础上,提出了设计非侵入式起搏器的技术要求和六点特殊问题,给出了实现方案和恒流脉冲输出式起搏器输出阻抗的测试方法。
短句来源
  “constant-current pulse”译为未确定词的双语例句
     A Programmable Biphasic Constant-Current Pulse Generator for Auditory Nerve Stimulation
     一种适合于听觉神经刺激的可编程双相恒流脉冲发生器
短句来源
     Taking account of the transient thermoconduction process, the temperature raise informing SOI structure by means of constant-current, pulse, and scanning ion-implantation iscalculated by using the finite difference method.
     本文考虑了瞬态的热传导过程,用有限差分方法计算了恒流、脉冲、扫描三种离子注入形成SOI结构时的温升效应。
短句来源
     Among the constant-current, pulse, and scanning ion implantation,the temperature raise and fluctuation of the scanning ion implantation are most serious,and those of the constant-current one is least.
     恒流、脉冲、扫描三种注入方式比较起来,以扫描注入的温升和温度波动为最严重,恒流注入为最低。
短句来源
  相似匹配句对
     CONSTANT COULOMETRY STUDIED BY PULSE CURRENT
     脉冲电流模拟恒电量法
短句来源
     Nerve stimulator with single-phase constant-current pulse
     单相恒流脉冲神经刺激器的设计
短句来源
     Pulse constant-current source based on capacitor discharge
     电容放电式脉冲励磁电源研究
短句来源
     Designs of constant current source
     恒流电源设计
短句来源
     DEVELOPMENT OF PULSE CURRENT SENSOR
     互感器式脉冲电流传感器的研制
短句来源
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  constant-current pulse
A constant-current pulse is used to heat metals over a time interval of 50 to 100 μs, reaching temperatures up to the boiling point.
      
In practice, the electrode voltage at the end of a known constant-current pulse was measured by the PIC.
      
The method employs a constant-current pulse and a potential-sensing electrode.
      
A simple battery-powered constant-current pulse generator able to supply up to 200 μA at a maximum of 250 V is described.
      
The results show that constant-current pulse mode has better sensitivity and dynamic range whereas the constant-frequency pulse mode has the lower detection limit.
      


This Paper put forward the technological demands and six special problems for designing noninvasive temporary pacemakers, based on the comparison between the implanted pacing method and the noninvasive temporary pacing method. It also provided the scheme and the method to measure the output impedance of constant-current pulse outputing pacemaker.

在对植入式起搏方式与临时性非侵入式起搏方式进行比较的基础上,提出了设计非侵入式起搏器的技术要求和六点特殊问题,给出了实现方案和恒流脉冲输出式起搏器输出阻抗的测试方法。

The area of the voltage - time curve is determined with integration of resultant cell voltage by measuring the solution conductance through applying successive constant current pulse of equal magnitude to a conductance cell. And which is shown to be directly proportional to the solution resistance and free from both the magnitude of the serial cell capacitance Cx and parallel capacitance Cpin the case a proper length of pulse is given.

测量溶液电导时,用一等幅双向恒定的电流脉冲连续地施加于电导池,然后对该电导池的电压求积分,测得该电压与时间曲线下的面积值,而该面积即是与溶液的电阻值成正比。它与电导池自身的等效串联电容Cx无关,实际上只要再提供相应的脉冲周期,它也同样地独立干溶液自身的等效并联电容Cp。

Objective: To quantitatively study the effects of cervical vagus nerve stimulation ( VNS ) on the frequencies and intensities of generalized seizures and afterdischarges of amygdalas in rapidly kindled rats . Methods: The vagus nerves of 98 kindled rats were stimulated with constant current pulse . Results: After VNS, the afterdischarge threshold of the amygdalas and generalized seizure threshold were significantly increased ( P< 0.01 ) . When VNS was started before the animal's attack,the...

Objective: To quantitatively study the effects of cervical vagus nerve stimulation ( VNS ) on the frequencies and intensities of generalized seizures and afterdischarges of amygdalas in rapidly kindled rats . Methods: The vagus nerves of 98 kindled rats were stimulated with constant current pulse . Results: After VNS, the afterdischarge threshold of the amygdalas and generalized seizure threshold were significantly increased ( P< 0.01 ) . When VNS was started before the animal's attack,the generalized seizure rates, behavioral stages,tonic-clonic durations and after discharge durations of the amygdalas were significantly decreased or shortened (P< 0.01 ). When VNS was started after the attack, the frequencies and intensities of the attack were markedly decreased still, but the afterdischarge durations of the amygdalas did not change significantly (P> 0.05 ). The later VNS was started ,the weaker it effected on the epileptic behaviour and afterdischarges of the amyglalas.Conclusion:The earlier,VNS was started in control of the generalized seizures of rats, the stronger it functioned as anti-epileptic effects.

目的:为了定量研究迷走神经刺激(VNS)对癫痫全身性发作的频度、强度及痫灶神经元群放电能力的影响。方法:用恒流脉冲电刺激98只杏仁核快速点燃大鼠的颈迷走神经。结果:VNS后,动物杏仁核后放电阈值,全身性发作阈值显著性增高(P<0.01)。在全身性发作前启动VNS,动物全身性发作率,行为级数,强直阵挛时间,杏仁核后放电时间显著降低或缩短(P<0.01)。在全身性发作后启动VNS,其痫性行为的频度、强度指标仍显著下降(P<0.05),但杏仁核后放电时间无显著性变化(P>0.05)。且启动VNS越晚,对痫性行为,放电各指标影响越小。结论:阻抑动物全身性发作,启动VNS越早,抗痫作用越强。

 
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