在蛞蝓体时期,PKA的活性在KAX - 3细胞细胞中表现为振荡波,并且在此期的最后阶段,有一个大的振幅,这可能是为了最终的发育做准备。
At slug stage, the activity of PKA in KAX-3 cells functions in the form of oscillatory waves, and has a large amplitude at the end of this stage, which could prepare for terminal differentiation.
通过小振幅振荡剪切试验,对经历预剪切的非牛顿原油在静置条件下的结构恢复性进行了研究。
The experiment of static structural recovery on pre-sheared non-Newtonian crude oil has been performed by small amplitude oscillatory shear.
本文采用小振幅振荡流变测量法对小麦面粉中水可提取阿拉伯木聚糖(WEAX)的氧化胶凝性质进行了研究。
The oxidative gelation properties of water-extractable arabinoxylans(WEAX)from wheat flour was investigated by small amplitude oscillatory rheological measurement.
随剪切速率的增加,压力振荡的振幅减小,而滑移速率、临界外推滑移长度及振荡频率均有提高。
As the shear rate rises, the amplitude of pressure oscillation reduces, whereas the slide velocity, critical slide length and the frequency increase.
方程的二阶近似解显示出非线性效应对振荡频率稳定度、振幅稳定度及波形正弦纯度的影响。
The frequency stability, amplitude stability and harmonic content can be deduced from the second order perturbation solution of that equation.
文章重点研究了较高振幅振动柱的锁定现象、波动升力与柱位移之间的相位变化,讨论了方柱涡激振荡、驰振和气动稳定性问题。
This study aims at investigating the lock-in phenomenon, fluctuating lift and the phase shift between fluctuating lift and displacement of the oscillating cylinder.
驱动场色散驱动场失谐量的增加而振荡时间变长,振幅和稳定值变大。
With the driving detuning increasing, the oscillating time of the dispersion of the driving field becomes longer, the amplitude and the stationary value increase.
对于水平直管段上底面及下底面各三个截面,测量了边界层内振荡流速的振幅分布及相位分布。
The velocity amplitude distributions of the oscillatory flow outside the boundary layer are measured at seven cross-sections along the horizontal, the vertical, and the bent sections respectively.
三波共振相互作用低频振荡周期与初始扰动振幅有很强的相关关系;
The low-frequency fluctuation periods and the initial amplitudes have close relationship in the resonance interaction.
小振幅剪切振荡粘弹性参数,可反映不同状态下原油的流变结构特点。
The crude oil rheological structure at different states can be described with the viscoelastic parameters of shear oscillation.
对于相同的初始扰动振幅,随着波数的增加,低频振荡周期缩短,三波逐渐变得不稳定,三波之间较强的相互作用时间缩短。
For the same initial amplitudes, the periods are becoming short, the three waves are gradually becoming instability, and the time of strong interaction is shorting with increasing of wave Numbers.
随着脉冲面积的增大,脉冲振荡次数减少,振幅增大,传播速度增大,介质各能级粒子布居振荡次数也增多。
The oscillation times decrease with increasing of the initial area of the pulse, but amplitude, group velocity and the medium populations oscillation times of every level increase.
能流密度不再随时间作简谐振荡,它的振幅构成一个高斯形状的包络。
The instantaneous energy density does not oscillate with time at the harmonic form, its amplitude forms and envelope with Gaussian shape.
交流电频率越高,渣-金界面的振荡频率越大,振幅随之减小;
The higher the frequency of alternate current, the higher oscillation frequency of the interface between slag pool and metal pool is, and the less amplitude is.
与扰流振幅相比,调节扰流振荡频率更能改善翼型深失速条件下的气动性能。
The frequency of oscillating excitation has more effect on improving aerodynamic performance of airfoil at large attack…
根据电子储存环理论模型,采用迭代方法从实测响应矩阵计算束流横向振荡的振幅函数和相位。
A method for extracting the beta-function and phase of the beam position monitors and the corrector magnets from the measured response matrix based on storage ring theoretical model is presented.
振荡频率决定着涡量聚集区域的位置和大小,振幅决定着涡量分配和聚集的均匀程度。
The frequency determines the location and scale of vortices assembling region, and the swing determines uniform degree of distributed and assembled vortices.
实验考察了在不同强制振荡周期与振幅下的丙烯转化率和丙烯醛选择性及收率的变化,并与稳态反应条件下的结果作了比较。
Variations of propylene conversion, acrolein selectivity and yield were investigated experimentally by various forced oscillation patterns and compared with the results of steady-state operation.
随着氢气含量的减少,起振临界当量比变大,热声振荡的最大振幅变大。
With reduced the concentration of hydrogen, the oscillation start critical equivalence ratio is higher and the maximum amplitude of thermoacoustic oscillation is larger.
通过测取振荡波形的振幅和周期,求取系统临界振荡的参数。
Evaluation of parameters at critical oscillations can be obtained by measuring the amplitudes and the periods therein;
通过测取振荡波形的振幅和周期,求取系统临界振荡的参数。
Evaluation of parameters at critical oscillations can be obtained by measuring the amplitudes and the periods therein;
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