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- logarithmic velocity profile 风速对数廓线,对数速度分布图
- What then is the ideal velocity profile for a missile? 什么是导弹理想的速度分布图呢?
- The viscosity of the fluid has no direct effect on the velocity profile. 流体的粘度对速度场没有直接影响。
- logarithmic profile of velocity profile 对数速度剖面图; 风速对数廓线
- In this paper,according to the logarithmic velocity distribution in the open channal,formula of the distribution of the vertical velocity in condition of ice-cover was formed. 以明渠对数流速分布为基础,提出有冰盖情况下的垂线流速分布公式,并以此论证了现行冰期流速测点布设模式的合理性。
- The color Doppler velocity profile(CDVP)technique was used to investigate the portal hemodynamics of 35 healthy people. 运用新近研制的彩色多普勒流速剖面(CDVP)技术检测35例正常人门脉血流动力学。
- It is difficult to simulate a velocity profile with the traditional least square method. 摘要传统的最小二乘法拟合流速剖面存在一定的困难。
- Based on the assumption of logarithmic velocity distribution within turbulent boundary layer and the aplication of energy equilibrium theory, formulas for Hydraulic parameters are obtained in this paper. 在紊流边界层内,流速为对数分布假定的基础上,本文利用水流能量平衡方程计算紊流边界层沿流程发展的厚度从而推导出溢流面一些水流参数的计算公式。
- The velocity profile should be confirmed when non-Newtonian fluid flowing in duct and annuli is researched. 摘要在研究非牛顿流体圆管和环空管流层流流动问题时,确定其速度分布是关键。
- In single crook we change the density of charge in crook to adjust the velocity profile. 电渗驱动下弯道引起的弯道内外径速度差可以通过改变弯道形状和电渗强度的方法进行改善。
- A semitheoretical modeling to calculate pressure drop and exponent of vortex velocity profile is deduced. 建立了计算旋风分离器压降及速度分布指数的通用计算式。
- The axial droplet velocity profile is nearly linear across the pipe section, and is different from the axial gas velocity profile. 液滴速度与气相速度分布不同,在垂直方向上液滴的轴向速度近乎呈线性分布。
- The capability of microfluidic chips which often works as separator and mixer is closed with velocity profile of microfluidic. 摘要微流体速度流型对微流控芯片分离分析和混合反应效果都有重要影响。
- Objective To probe the clinical value in the assessment of liver cirrhosis by velocity and flow volume with color Doppler velocity profile(CDVP). 目的应用彩色多普勒流速剖面技术检测门静脉右支流速和血流量,以探讨其在评价肝硬化程度中的临床价值。
- Objective:To evaluate color Doppler velocity profile technology(CDVP)in the diagnosis of the venous reflux disease of lower limbs. 目的:评价彩色多普勒流速剖面图技术在下肢静脉倒流性疾病诊断中的作用。
- logarithmic velocity distribution 对数流速分布
- An example shows that using this method can obtain a uniform velocity profile across the die and minimize pressure drop. 通过算例表明,应用该法进行口模优化设计可以减小压力降和口模出口速率变化率。
- This paper takes the Hough Transform to simulate a velocity profile by using the anti-noise advantage of Hough Transform to eliminate the noise points. 利用霍夫变换抗干扰(或噪声)能力强的优点,可将干扰点(或噪声)剔除,然后用霍夫变换拟合流速剖面。
- William J.Capell,Sr.Determination of Sound Velocity Profile Errors Using Multibeam Data[C].Proceeding of Oceans 1999,1 144-1 148. 冯士笮;李风崎;李少菁.;海洋科学导论(第一版)[M]
- The particle imaging velocimetry (PIV) technology is used to measure the velocity profile of swirling jet with added polyacrylamide (PAM) fluid. 摘要利用先进的粒子成像技术及实验系统研究了聚丙烯酰胺水溶液旋转射流的速度结构。