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1.The peak-to-peak amplitude of LFO can reach 100% of average value of the current.
低频振荡的值可以达平均电流的100%左右,对发动机电源有比较强的冲击,对发动机的效率以及陶瓷壁面的寿命也有比较明显的影响。收藏指正
2.PZT patches bonded on the surface of concrete structures can generate Pwaves,S waves and Rayleigh waves propagating along the surface of concrete structures. Experimental results show that the peak-to-peak amplitude of P waves decreases with compressive stress increasing when the frequency is about 120kHz.
PZT压电陶瓷片粘贴在混凝土结构表面产生沿表面传播的纵波、横波和Rayleigh波,试验表明,在发射信号频率120kHz时,与横波和Rayleigh波相比,纵波的值随应力增加而减少最明显。收藏指正
3.A new self-mixing interferometry based on the modified phase shifting technique is presented. Triangular phase modulation of the laser beam with amplitude (peak to peak)πis obtained by an electro-opitc modulator (EOM) in the external cavity.
提出了一种新型的基于修正相移技术的自混合干涉仪,由置于外腔中的电光晶体对激光束的相位进行π的三角波调制。收藏指正
4.The Herbst corpuscle is very sensitive to vibrational stimuli, which were transmitted by an aluminium stylus (0.2 mm, diameter of its tip) to single Herbst corpuscle on the tibia or to the bone at the ankle joint. The lowest threshold amplitude (peak to peak)for the Herbst corpuscle is about 0.3 A*m at the best frequency of 600 -800 Hz.
这种小体对振动刺激非常敏感,当振动频率在600—800赫时,它们有反应的最低阈值约0.3微米.收藏指正
5.The main aim is to study the amplitude-frequency character of support force with engaged action of bevel gears;to find a method for determining peak speeds; to discover peak speeds of maximal amplitude of support force beyond critical speeds when a system has engagement of central bevel gears; and to analyse the test curve of amplitude-frequency character.
着重研究锥齿轮啮合作用下轴承力幅频特性,介绍寻找值转速的方法,发现在中央锥齿轮啮合作用下,出现了临界转速以外力幅最大的值转速,并对机匣振动幅频特性试验曲线进行分析。收藏指正
6.Lobeline (0.5-8μM)significantly prolonged the action potential duration (APD), decreased the maximumupstroke velocity of phase 0 depolarization (V_(max)), the action potential amplitude(APA), force of contraction (FC) and the time-to-peak force (TTP).
洛贝林(0.5—8μM)使动作电位时程(APD)显著延长,动作电位0期最大除极速率(V_(max))和动作电位幅值(APA)下降,心肌收缩力(FC)减弱,以及收缩值出现时间(time-to-Peak force,TTP)提前。收藏指正
7.(3) Dart leaders as well as a type of K events produce a train of VLF pulses (about 3~4μs in half width) at a frequency of about 105 pulses per second for a duration of about 1 ms. The amplitude spectrum of these events tends to peak in the range of 60~ 90 kHz.
(3)回击间歇期间一类云中放电过程产生一系列半宽3~4μs左右、出现频率约10~5Hz的VLF快脉冲串,整个脉冲串持续时间约1ms,频谱值区域在60~90kHz,并伴随较强的VHF辐射,这些特征都与直窜先导特征一致。收藏指正
8.Integrated genioglossal muscle activities were recorded on 22 urethane anesthetized,vagotomized rabbits to study the effect of norepinephrine(NA)in jected into locus coeruleus(LC)on the potentiationg effects of integrated genioglossal muscle activities(PIMA). It was found that NA could facilitate PIMA of geniollossal muscle. Peak amplitude of PIMA was increased with the latency of PIMA shortented and recover time prolonged,which could be blocked by tolazolin.
实验取健康家兔22只,用20%乌拉坦静脉麻醉,断双侧迷走神经,观察蓝斑核(LC)内微量注射去甲肾上腺素(NA)对动物窒息引起的颏舌肌肌电积分活动增强效应(PIMA)的影响,结果表明:增强颏舌肌的NMA,表现增幅值加大,潜伏期缩短,恢复时间延长,且此效应可被妥拉苏林所阻断。收藏指正
9.An Optimum Mapping Method to Reduce the Amplitude Peak of DMT System
降低DMT系统发送值的优化映射方法收藏指正
10.A peak holding circuit developed by us for fast narrow pulse is introduced briefly in this paper. Amplitude of input signal is ≥50mV,rise time≤3ns,pulse width≤15ns,frequency≥20MHz,gain=3,the time of peak holding can be adjusted in the range of 400ns to 5μs.
介绍一种适用于高速窄脉冲的值保持电路,该电路输入信号的幅度≥50mV、前沿≤3ns、脉宽≤15ns、频率≥20MHz、增益3,展宽时间可调(0.4-5μs)。收藏指正
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