And the phase velocity of fast wave will decrease exponentially with frequency.
快纵波的相速度随频率的增大以指数形式减小。
Contrast, spatial frequency, presentation time, moving velocity and phase reversal frequency of each grating are controlled independently.
每组光栅的对比度、空间频率、显示时间，移动速度和反相频率能单独控制。
The amplitude taper and phase correction are obtained by redistributing energy and changing phase velocity in different region inside the horn respectively.
在喇叭内部不同区域中重新分配能量和改变相速来获得幅度锥削和相位校正。
The flow resistance of foam is affected by those parameters such as surfactant concentration, oil saturation, temperature, permeability, water and gas phase velocity, etc.
泡沫的流动阻力受泡沫剂浓度、温度、油饱和度、渗透率以及水相和气相达西流速的影响。
Laser phase Doppler anemometry (PDA) technology can be used to measure moving particle's velocity, size and relative refractive index simultaneously.
激光相位多普勒(PDA)能够同时测量粒子的速度、大小和相对折射率。
According to the analysis of the influence of heavy phase separation and light phase separation on the migration velocity, the track of the migration of the dispersed fluid drops is worked out.
根据重相分离和轻相分离对迁移速度影响的分析，得出分散相液滴迁移运动轨迹。
This article mainly discusses the designations of three-phase BLDCM velocity modulation systems hardware.
本文主要论述三相直流无刷电机调速系统的硬件设计方法。
The optical-electrical measurement is an effective and feasible way to measure solid particle concentration and velocity in gas-solid two phase flow.
应用光一电检测方法测量气一固两相流中固体微粒浓度、速度，是一种十分有效和可行的方法。
Spatial autocorrelation method; Phase velocity dispersion of Rayleigh wave; Circular array; Microtremor survey method.
空间自相关法；瑞雷波相速度频散；圆形排列；微震勘探法。
This article introduced the basic theory and method of measuring the velocity of light using the method of phase difference and how to measure the velocity of light using phase difference in air.
介绍了一台自制的利用相位差法测量光速的仪器的基本原理和方法，并通过对光在空气中的传播速度的测定，使大家对用相位变化测量光速仪器有所了解。
Conclusion: During the final thrust phase, the velocity of hip joint, shoulder joint, elbow joint, wrist joint achieved their peak value.
结论：在掷标枪最后用力阶段，髓关节、肩关节、肘关节、腕关节的速度都达到了最大值。
Portal velocity and portal flow with phase contrast (PC) were measured.
相位对比法(PC)测门静脉血流速度、每分钟流量。
The stability was affected by kinds and dose of emulsifier, volume fraction of water phase, temperature and velocity of stir.
研究了乳化剂种类和用量、水相体积分数、温度、搅拌速率等因素对超浓反相乳液聚合的影响。
The model is used to predict the velocity, particle trajectory and concentration of the particle phase in circulating fluidized bed.
这一模型可用于预测循环床中颗粒相的速度、颗粒轨迹和颗粒相浓度。
The algorithm for solving phase velocity of transient Reyleigh wave was emphatically studied.
笔者重点对瞬态瑞利波相速度的算法进行了研究。
The effect of electric field strength and two phase velocity on mass transfer characteristics in the separation process was studied in an electro-extraction equipment.
在自行设计的连续电泳萃取池内实验研究了电场强度、两相流速等因素对丁醇萃取率及传质通量的影响。
It is a new branch that the artificial transmission line is introduced into optic electronic modulator, realizing phase velocity matched.
把人造传输线的观点引入电光调制器，实现相速度的匹配，是近年来才兴起的一个新的分支。
Disturbance degree of the apparent phase velocity increases with decrease of frequency until a maximum one occurs.
表观相速度扰动程度随频率减小而增加，直至出现大扰动。
The dynamic performance of LPMBDCM are simulated , and the phase current, thrust and velocity curves are presented.
用该模型分析电机的动态性能，得到了电机运行时的相电流、推力和速度曲线。
The separate velocity decides the shape and size during the sphere phase.
在球形阶段起主要作用的是分离速度；
The conversion mechanisms of a chemical signal (gas concentration) into a physical signal (SAW phase velocity change) in SAW gas sensors and the way to separate them are discussed.
讨论了在SAW气体的传感器中把化学信号(气体浓度)转换成物理信号(SAW相速度变化)的机制以及将它们彼此分离开来的方法。
The studying results show that the classical elastic wave equation of spherical wave is only true for fixed amplitude phase and described only kinematic equation of phase velocity.
研究揭示经典的球面波波动方程只对固定振幅相成立，即只描述了相的运动方程，其波速为相速度。
Then the possibility of larger phase velocity and group velocity than light speed in dispersive medium is discussed.
然后从色散介质中相速度与群速度的关系，讨论了相速度和群速度超光速的可能性。
The phase velocity of the plasma wave approaches the velocity of light due to the action of the longitudinal electric field.
在这样的纵向电场作用下，等离子体波的相速接近光速。
Comparing calculation result of velocity and tidal phase with the real data, they are merged well.
将流速和潮位的计算结果与实测资料进行了分析比较，二者吻合良好。
Equation (4) permits a simple deduction of the relation between the phase velocity and the period.
用方程(4)可简单推导相速度和周期的关系。
The friction term is assumed to be proportional to the flow velocity with a phase difference.
粘性假设正比于流体速度，相位存在差异。
The pressure drop and solid slug velocity in horizontal pulsed dense phase pneumatic transport are investigated by using PVC powder as transporting material.
本文以聚氯乙烯树脂为输送物料，测定了水平脉冲气力输送的料栓速度和压力降。
Neither sodium valproate nor Verapamil showed any effect on action potential amplitude, overshoot, resting potential and phase o upstroke velocity.
丙戊酸钠和异搏定对动作电位幅度、超射值、静息电位、O期最大除极速度均无明显影响。
Neither sodium valproate nor Verapamil showed any effect on action potential amplitude, overshoot, resting potential and phase o upstroke velocity.
丙戊酸钠和异搏定对动作电位幅度、超射值、静息电位、O期最大除极速度均无明显影响。
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