零压力

利用二维LDV系统对零压力梯度下光滑面和减阻沟槽面湍流边界层流场进行对比测量。

Two-component LDV measurements in a turbulent boundary layer with zero pressure gradient have been performed .

应用SIMPLE/SIMPLER方法及QUICK格式求解GAO-YONG可压湍流方程组，对二维零压力梯度可压平板湍流边界层进行了数值模拟。

Two-dimensional , stationary , compressible boundary layer with zero pressure gradient is numerically simulated with GAO-YONG turbulence model . Employing staggered grid arrangement , SIMPLE / SIMPLER code and a second-order QUICK scheme are used .

通过Murnaghan状态方程得到了体积模量和零压力下的能量，计算结果表明a-Li2Mg（NH）2为基态构型。

The bulk modules and the energies of zero pressure are obtained by using Murnaghan equation of states . The results show that the a-Li2Mg ( NH ) 2 is a ground state configuration .

她说她现在几乎是零压力。

Her stress is near zero , she says .

我保证给你零压力环境

Well , I promise a stressfree environment .

它具有较宽范围的工作温度（0～70℃）和很小的零压力输出电压（±0.3mV）等特点。

It features a comparatively wide rage of operation temperature ( 0 ~ 70 ℃) and a very low zero-pressure out voltage (± 0.3 mV ) .

论文第三部分对电流变液非零压力梯度平板剪切流动的稳定性进行了分析，提出流场对屈服应力达到饱和的概念；

Thirdly , the linear stability of plane shearing flow with non zero pressure gradient is studied . The conception of yield stress saturation is proposed .

本文研究了在零压力梯度条件下，这种人工扰动在风洞平板侧壁上的湍流边界层中的传递，并且发现扰动所引起的动量损失会保留在下游的边界层中。

The propagation of such artificial disturbances immersed in a turbulent boundary layer on wind tunnel flat side wall is investigated at zero and adverse pressure gradient , It is found that the momentum loss resulted from boundary layer disturbance remains in the boundary layer downstream .

另一种是为气压泵设计的机动自动换向机构，该机构是利用渐开线（零度压力角）凸轮机构作为换向机构。

The other is a mechanical automatic reversing mechanism designed for atmospheric pumps , which adopts involute ( zero pressure angle ) cam mechanism as reversing mechanism .

本文研究了CF2HCl在铂黑表面上的单分子反应，在压力较高时为零级，压力较低时为一级，表明此反应为典型的催化反应。

The unimolecular reaction of CF_2HCl dissociation on platinum black has been studied . At higher pressure , this reaction is zero order , while at lower pressure , it I first order . It implies that the reaction is a typical catalytic reaction .

此外，在收敛到零阶出口压力边界条件时，构造了较易收敛的减缩修正方法。

Furthermore , a reduction correction method is built to promote convergence to boundary condition of exit pressure .

仅仅因为这个理由，欧洲央行实行零利率的压力就将变得极大。

The pressure on the ECB to go down to zero per cent will become immense just for that single reason .

本文中空气入口边界采用辐射阻抗边界，优于传统的将入口边界压力当成零的软压力边界。

In the BEM model , the radiation impedance boundary condition at air intake surface is used and the results demonstrate that it is superior to the traditional pressure release boundary .

应用Murman-Cole的有限差分法，求解具有纵向大扰动而横向小扰动的跨音速轴对称速势方程，由此计算旋转体跨音速零升力时的压力分布和波阻力，以及激波位置。

A transonic axisymmetrical potential equation with large disturbance in the free stream direction and small disturbance in the transverse direction is solved by using the Murman-Cole schemes of finite differences .

当时，滑油量指示器指示为零，滑油压力仍然不断下降。

By now the oil quantity gauges indicated zero and the oil pressure was still falling .

通过将壁面复阻抗的实部或虚部设置为零或无穷大值，问题可以方便地蜕变为传统的振速为零或压力释放壁面条件。

By setting the real or imaginary parts of the complex acoustic impedance into zero or infinity , the problem can degenerate into zero-velocity or pressure-release wall conditions .