查询词典 two dimensional

Instability of two-dimensional jets has been studied by numerical analysis and experiments based on the theoretical framework of absolute and convective instability.

在绝对／对流不稳定理论框架下，从粘性方程出发系统分析了二维均质射流稳定性。

Combining the two-dimensional information which consisted of the absorption spectra and the distribution curve of species along with the pH values, a quantitative analytical method for the determination of the pigments in a gray system was proposed.

利用合成色素随pH变化的分布分数曲线和吸收光谱构成两维波谱信息，建立了灰色体系中色素的定量分析方法。

With the aid of the high-speed camera and the LC acceleration sensor,researches are made into the strike and the run-through of an object in the two-dimensional particulate matter under the effect of the acceleration of gravity q.

笔者用高速摄像和LC加速度传感器进行采集的方法研究了在重力加速度g作用下的物体在二维颗粒床中的撞击和穿透过程。

Objective To study the morphological changes of acetabulum after processing of a series of two dimensional roentgenographs by computerimaging technology.

目的通过计算机图像处理技术对正常及脱位髋关节X线片进行处理，了解髋臼的形态变化。

Based on two-dimensional elastic wave equation and adopts the well logs as constraint condition, a new imaging method of crosswell seismic data-elastic wave equation inversion and imaging with the well logs constraint is given by using adjoint theory of distribution-parameter control system.

基于二维弹性波动方程，利用分布参数控制系统的伴随理论，采用测井资料作为约束条件，本文给出了一种井间地震资料速度成像的新方法——井间测井约束弹性波动方程反演成像。

In Chapter 2,a steady permeability identification problem in elliptic equa-tions for two-dimensional orthotropic medium is considered.We construct afunctional,obtain its first and second Gateaux differential,and prove that thefunctional is strictly convex on a convex admissible function set.We seek to iden-tify the permeability by minimization of the above functional.

第二章研究了二维稳态正交异性介质的渗透率反演问题，我们构造了一个泛函，求得该泛函的一、二阶Gateaux微分，证明了它在一个凸的容许集上的严格凸性，并使用极小化泛函即变分方法来求解此问题。

On the basis of previous study, the available procedure for two-dimensional steam flow and heat transfer prediction is modified in the aspects of boundary condition processing method and the matching technique of condenser and air pump performances. The procedure is verified by comparing calculation results of condensers with available experimental data, and a good agreement is achieved.

在前人发展的汽相流动与传热特性二维计算程序基础上，完善了二维计算方法的功能，探讨了各种特殊情况下的边界条件合理给定方法及凝汽器工作性能与抽气器工作性能匹配的方法，并采用制造厂和文献的实验数据验证了物理模型和计算程序的适用性，最后完善了程序的前后处理功能。

First, with steady aerodynamics, this method is utilized for a two-dimensional airfoil with external store.

首先，采用简单的定常气动力，在二元机翼带外挂模型上对此方法作了验证。

Ber use the algebraic integer ring of quadratic cyclotomic field to construct block codes for coding two dimensional signals which are able to correct some error patterns.

uber利用二次分圆域的代数整数环构作了面向二维信号且具有代数译码算法的纠错码。

The computation of two-dimensional advection transport using current methods such as Alternating Direction Implicit Method and linear interpolation technique can be subject to numerical attenuation,parasite oscillation and poor reproduction of wave propagation when large time steps are used.

在概化的平面区域内，采用上述方法模拟了二维初始浓度高斯分布和水流激波在旋转速度场及均匀速度场上的对流输移问题，结果表明方法在优化幅值衰减和数值扰动以及计算效率方面具有相当的发展潜力和应用前景

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。