velocity potential

The relations between the test particle velocity and shielding effect are shown in the kinetic shielding potential.

动屏蔽势明显地给出了屏蔽效应与试探粒子速度的关系，也显示出电子与离子对屏蔽的不同效果。

An AUV Obstacle-Avoidance Method Based on Three-dimensional Velocity Potential Field

基于三维速度势场的AUV局部避碰研究

In this paper, the subsonic unsteady aerodynamic performance of a noncoplanar wing-tail combination can be computed on condition that the velocity potential function of unsteady vortex ring is taken as an elementary solution and the method of time history ( MTH) is used.

本文以非定常涡环速度势函数为基本解，应用时间历程方法，计算非共面机一尾翼组合体的非定常气动力性能。

While a vehicle flying near surface waves, flow fields are analyzed based on ground ( water)-effect vehicle's features and the concept of corrective terms of unsteady velocity potential flow affected by vehicle-wave coupling is presented by means of a linear superposition principle.

针对地（水）面效应飞行器的特点，分析了近水面波飞行时的流场特征，利用线性叠加原理，提出了飞行器与水面波耦合影响的非定常速度势修正项概念。

The results showed that extensive dezincification occurred in all the tests but potential had opposite effects on the dezincification coefficient and susceptibility to stress corrosion cracking; an increase in potential accelerated crack velocity but depressed the dezincification coefficient.

结果表明，所有试验都发生严重脱锌，但是，电位对脱锌系数和应力腐蚀开裂敏感性的作用影响相反：提高电位加速裂纹扩展，却降低了脱锌系数。

First, the Taylor series about wave elevation function η in the liquid free surface of velocity potential function was derived, and the nonlinear equations of free surface kinetic boundary condition and dynamic boundary condition was gained.

首先将速度势函数Ф在自由液面处作波高函数η的Taylor级数展开，从而导出自由液面运动学和动力学边界条件非线性方程组；

The average follow up period was 15 months. Restoration of median nerve function was evaluated by measuring the grip strength, muscle power, median nerve conduction velocity ( MNCV) and compound muscle action potential ( CMAP).

术后平均随访15个月，观察正中神经功能恢复情况，并测定其握力、肌力和正中神经的运动神经传导速度（MNCV）和复合肌肉动作电位（CMAP）的潜伏期和波幅。

A geometry-independent higher-order panel method is applied to multiple-body hydrodynamic analysis in this paper, the velocity potential is approximated by B-splines of arbitrary order and the geometry is represented by any piecewise continuous functions.

用几何独立的B样条高阶面元法进行多体水动力分析，速度势用任意阶的B样条函数近似，物面可以用任意的分片连续函数表示。

The specimen, taken on 4th and 8th week, was investigated for nerve morphology, motor nerve conduction velocity ( MNCV), amplitude of compound muscle action potential ( CMAP) and wet muscle weight to evaluate the status of nerve regeneration.

术后4周和8周（每组均为8只）取标本，作形态学，肌湿重，运动神经传导速度（MNCV）、复合运动动作电位（CMAP）波幅，及组织学的检测。

The velocity potential is expressed by using a simple source density distribution over the wetted hull which is influenced by the ship-wave and over the local portion of the wavy free surface. The free surface equations are exactly nonlinear equations.

速度势用考虑了波动的自由面影响的船体湿表面和局部真实的自由面上的简单源（1/r）分布表示，并采用精确的自由面条件。

There was no significant difference of motor nerve conduction velocity and compound muscle action potential ( CMAP) latent period before and after nerve expansion in groups of 3 ml infusion volume and 5 ml infusion volume.

肌电结果：3ml、5ml组的运动神经传导速度与复合肌肉电位（CMAP）的潜伏期，神经扩张前和扩张后相比无明显差别。7ml组则比术前明显减慢及延长。

As compared with the healthy sides of eight model rabbits, motor nerve conduction velocity ( MCV) compound motor action potential ( CMAP) were performed at the sixth weeks.

以建立损伤模型的8只兔子健侧作为对照，行电生理检查运动神经传导速度（MCV）、复合肌肉动作电位（CMAP）。

Methods Patients with tethered cord syndrome underwent posterior tibial nerve somatosensory evoked potential study ( PTN-SEP) and motor conductive velocity study of the posterior tibial and common peroneal nerves ( MCV).

方法对TCS患儿组及对照组行胫后神经体感诱发电位（PTN－SEP）、胫后神经及腓总神经运动神经传导速度（MCV）检测。

According to the characteristics of AUV, the collision field and three-dimensional velocity potential field are built, and the latter is composed of horizontal and vertical velocity potential fields.

根据AUV的特点建立了空间碰撞危险区域和由水平面速度势场和垂直面速度势场组成的三维速度势场。