片语

velocity-gradient map速梯图

transverse velocity gradient横向速度梯度

radial velocity gradient径向速度梯度

VR velocity gradient速度梯度

particle velocity fluctuation gradient脉动强度梯度

velocity-gradient criterion of flashback火焰闪回速度梯度準数

velocity-gradient criterion of blowoff火焰吹出的速度梯度準数

velocity y gradient速率梯度

wind velocity gradient风速梯度

英汉例句

• using the omni-directional m-mode echocardiography to assess the normal myocardial velocity gradient (mvg);

  应用全方向m型超声心动图评价正常人局部心肌运动与功能；

• measurement of turbulent velocity gradient on the wall is important for further understanding wall turbulence and mechanism of heat and mass transfer near the wall.

  壁面处湍流速度梯度脉动的测量对于深入了解壁面附近湍流的结构和传热、传质是很重要的。

• theoretical and experimental results show that this method can eliminate the doppler ambiguity spectra produced by transit-time effect, turbulence and velocity gradient in sample volume.

  理论与实验研究结果表明该方法可消除渡越时间效应、湍流和采样单元内流速梯度造成的频谱模糊。

• velocity gradient collision is more propitious to agglomerate than brown collision.

  速度梯度碰撞与布朗碰撞相比较，前者更有促进碰撞凝聚。

• thus the difficulties of discontinuous velocity gradient and the stress singularity at the exit point are avoided, and the expense of computation is reduced.

  这样回避了速度梯度间断的困难，缓和了出口处应力奇性引起的矛盾，同时又减少了计算量。

• the variation of the velocity gradient g in the process of coagulation was expressed in the said formula.

  该公式体现了速度梯度g在混凝过程中的变化。

• the results show: the mass throughout, take-up speed and intrinsic viscosity affect the velocity gradient greatly, showing that they influence the formation greatly;

  结果表明：泵供量、卷绕速度、切片粘度对速度梯度影响较大，从而影响纺丝成形；

• the theory of boundary velocity gradient has been accepted extensively, which is used to interpret the premixed flame stability.

  边界速度梯度理论是解释部分预混式燃烧稳定机理的比较成熟的理论，但国内却很少将该理论应用于实践。

• secondly, the relative error of velocity gradient on out-wall simulated from closed navier-stokes equations compared with the results from measurement is about 10% under laminar taylor vortex state.

  其次，通过直接数值求解封闭控制方程所得到层流泰勒涡流，所模拟出的壁面速度梯度与实测结果相差约10%；

• the ratio of the magnitude of an applied shear stress to the velocity gradient that it produces; that is, a measure of a noncrystalline material's resistance to permanent deformation.

  剪切应力数值与其产生应变速率的比值叫粘性，用来衡量非晶材料抵抗永久变形的能力。

• the effects of the velocity gradient and wall-proximity on the measuring errors are related to the flow direction.

  近壁对总压测量影响不大。速度梯度和近壁对测量误差的影响还与来流方向有关。

• as the radial velocity gradient is intensified with the rotary speed, the effect of the shedding vortex on trailing wake is boosted up.

  径向速度梯度同样随转速增大而增大的结果，增强了叶尖涡对尾迹区作用的影响。

• this paper describes the principle of such a measurement, and a semicircular electrode pair is suggested for the measuring of the two dimensional fluctuations of velocity gradient on the wall.

  本文叙述了电化学法测量的原理，介绍了用一半圆电极对同时测量壁面上二维湍流速度梯度脉动的方法和测量结果。

• a quasi-three-dimensional program has been developed in is paper which is based on a finite-difference and a velocity gradient method.

  本文基于有限差分法和速度梯度法，编制了叶轮机械内部流场的準三元流动分析程序，通过两种方法的结合。

• the results show that a large velocity gradient emerges in the intermeshing region of the screw reactors, which is helpful to mix materials sufficiently.

  结果表明，螺桿反应器的啮合区具有较大的速度梯度，有利于物料的充分混合。

• the sound field of normal modes in the. shallow-water having negative velocity gradient and rough interface are calculated using such results.

  文中用其结果计算了具有粗糙界面的负声速梯度浅海中的简正波声场。

• it is demonstrated that the accuracy of the approximate approach is acceptable in engineering, provided that the time averaged velocity gradient be determined by using the proper models.

  结果表明，若选择适当的湍流时均速度梯度模型，用近似算法计算的体均能量耗散率与用解析式计算的值接近，说明该近似算法的準确性可以满足工程计算的需要。

• using the omni-directional m-mode echocardiography to assess the normal myocardial velocity gradient (mvg); 2.

  应用全方向m型超声心动图评价正常人局部心肌运动与功能；2。

• the effect of rolling motion on the flowing velocity of newtonian fluids and non-newtonian fluids is analyzed. the variation of peak velocity and velocity gradient in the wall is also investigated.

  分析了摇摆运动对非牛顿流体和牛顿流体流动速度的影响和速度峰值与管壁处的速度梯度的变化规律。

• objective to analyze the clinical value of peak myocardial velocity gradient (mvg) as a noninvasive indicator of left ventricular (lv) systolic or diastolic function.

  目的探讨心肌速率阶差mvg评价左室舒缩功能的价值。

• objective to assess the feasibility of quantitative tissue velocity imaging (qtvi) in evaluation of myocardial velocities and myocardial velocity gradient of normal fetuses.

  目的探讨超声定量组织多普勒速度成像技术（qtvi）评价正常胎儿心室壁运动的临床价值。