This paper aims to determine the relationship between pulsed amplitude and the area of the instantaneous pressure drop within one-period through five standard spray-sieve-plates pulsed extraction columns by air purge method.
实验考察了5个标准喷嘴板脉冲萃取柱系统在吹气条件下脉冲振幅与柱重瞬间正弦信号1个周期峰面积之间关系。
It is assumed that the fluid in the circular cylindrical vessel is inviscid,incompressible and the motion is irrotational, a nonlinear amplitude equation with cubic and vertically excited terms of the vessel was derived by expansi.
在柱坐标系下,通过奇异摄动理论的多尺度展开法求解势流方程,研究了垂直强迫激励圆柱形容器中的单一模式水表面驻波模式· 假设流体是无粘、不可压且运动是无旋的,在忽略了表面张力的影响下,用两变量时间展开法得到一个具有立方项以及底部驱动项影响的非线性振幅方程· 对上述方程进行了数值计算,计算的结果显示了在不同驱动振幅和驱动频率下,会激发不同自由水表面驻波模式,从等高线的图像来看,和以往的实验结果相当吻合·
On the basis of the wave equation,the amplitude equation of hyperbolic reaction diffusion equation for glycolysis model is derived by using perturbation theory,and it brings the theoretical basis for numerical studies.
在波动方程基础上，利用微扰理论求得糖酵解模型（修正Ｓｅｌｋｏｖ模型）双曲型反应－扩散方程的振幅方程，为数值研究提供了理论根据。
On the basis of considering the variation of diffusive flux with time,the hyperbo lic reaction diffusion equation and corresponding wave equation for low concentrational Brussellator is developed,and the small amplitude equation near Hopf bifurcation point is derived by using perturbation theory.
首先在考虑扩散流随时间变化的基础上，建立了低浓度三分子模型的双曲型反应－扩散方程及其波动方程，然后运用奇异微扰理论导出在Ｈｏｐｆ分岔点处的小振幅方程，为研究系统的能量演化奠定了理论基
osecond pulse height analyzer
毫微秒脉冲振幅分析仪
electronic pulse-height analyzer
电子脉冲振幅分析器
diffractional pulse-height discriminator
脉冲振幅衍射鉴别器
pulse generator
脉冲发生器脉冲振荡器
Alignment frequency and amplitude, and pulse timing parameters and amplitude, can be finely adjusted to suit a wide variety of cell types.
排队频率和振幅，以及脉冲的时间和振幅参数能够精确调节以适应不同细胞类型。
Small variations in amplitude of an oscilloscope display caused by electrical noise.
杂乱脉冲干扰由电子噪声导致的在示波器显示中振幅的小变化
The transmitted information is coded into the amplitude of the pulses so that each predetermined value of pulse energy is associated with a message.
把传输的信息编码成脉冲的振幅，因而使每个预先规定的脉冲能量值对应于一个信息。
pulse amplitude to time converter
脉冲幅度 时间变换器
amplitude of the burst-key pulse
色同步选通脉冲幅度
multichannel pulse amplitude analyzer
多道脉冲幅度分析器
pulse amplutude-to-time converter
脉冲幅度-时间变换器
timed pulse amplitude analyser
定时脉冲幅度分析器
pedestal clipper
消隐脉冲电平限幅器
pulse-height to time converter
脉冲幅度-时间转换器
Modulating pulse amplitude stability
调制脉冲幅度稳定度
Transmission of measured magnitudes by radio or telephony, with suitably coded modulation ?(e.g.,?amplitude, frequency, phase, pulse)over a distance.
通过无线电或电话，用适当的编码调制(如振幅、频率、相位、脉冲)把被测量的值发送到远方。
plate-pulsed oscillator
板极脉冲调制振荡器
burst controlled oscillator
短脉冲串控制振荡器