查询词典 planar

A kind of one parameter planar singular perturbation equation is studied by the qualitative theory of ordinary differential equations, asymptotic analysis methods, implicit function theorem and fixed point methods.

本文应用微分方程定性理论、渐进分析方法、隐函数定理以及不动点理论的方法研究一类单参数二维奇异摄动系统。

Even if is right advertisement of product sales promotion, the big trend of integrated now sale issues Zai,、 of network of planar 、 of the 、 in sky is outdoors, even below the line on the line neat start work, divided those impracticability conformity sale 、 is dedicated those who search sale is medium besides small company practice, internet lost card forever it seems that bright sheet the opportunity of one media effectiveness.

即便是对产品促销广告而言，在现在整合营销的大趋势下，空中、平面、网络、户外，甚至线上线下齐动手，除了那些无法实施整合营销、专注搜索营销的中小企业实践之外，互联网似乎永远失去了证明单一媒体效力的机会。

The finite element method is used to simulate transientflow of incompressible viscous fluid in a planar sudden expansionchannel.

0引言在液压传动和控制系统中，突然扩大的管道流动是一种常见的流动现象。

The development of planar spiral inductor and the importance of its designing are introduced in the very beginning of the paper.

本论文首先介绍了平面螺旋电感发展的状况，以及平面螺旋电感设计的重要性。

On the basis of establishing planar cutting model and cutting equation, through analyzing the rigidity of technical system infrequency chart, change cutting coefficient and the angle of cutter etc, emphasis measuring and analyzing hard turning 45 hardened steel the damaged layer of finished surface cutting force the roughness on finished surface and researching on the mechanism of wear and damage of cutter.

在分析二元切削模型和切削方程的基础上，进一步研究了切削变形及其影响机理；通过工艺系统刚性的频谱分析，改变切削用量、刀具几何参数等因素，测量并分析研究了精切淬硬钢的切削力、已加工表面粗糙度、加工硬化及表面残余应力及刀具的磨损情况，基本形成了精加工45~#淬硬钢的切削基础理论。

Based on the analysis of dynamic characteristics in field tests area and commercialized production areas for polymer injection in class Ⅱ reservoirs, some problems about polymer flooding in class Ⅱ reservoirs can be found, such as low injectivity, low liquids productivity, short period with low water cut and serious planar conflicts.

通过对已开展的二类油层注聚试验区和工业化区块的动态反映特征分析，指出二类油层在聚驱开发过程中存在着注入能力差、产液能力低、见效含水低值期短、聚驱平面矛盾突出等问题。

ABSTRACT Particle image velocimetry is emerging as a powerful measurement technique, which can give the instantaneous planar velocity...

PIV是一种非接触、无扰动、全流场光学测速系统，它能测量的瞬态平面上的速度并能在线观察流场情况。

This thesis is devoted to singular point quantities and integrability conditions of complex polynomial differential systems with resonant singular point, and center-focus determination and bifurcation of limit cycles of planar polynomial differential systems.

在第二章中，对具p∶-q共振奇点的复自治多项式微分系统引入广义奇点量的概念，它是文[103]中奇点量概念的推广，它以在实平面多项式微分系统的中心焦点判断与极限环分支中有着极为重要意义的焦点量和鞍点量作为特例。

We have considered the analytic property of the integrand in the complex plane for the calculation of the Casimir force when the metamaterials are concerned, and based on the theory of the Casimir effect for real media situation, we obtained the formula of the Casimir force for the planar structures containing metamaterials.

通过考察分析复频率空间内的含特异材料的介质平面板间Casimir力被积函数的解析性质，根据实际的介质平板间Casimir作用力的计算理论，推导得到包含特异材料的平面板间Casimir作塑料托盘用力的计算公式。

Image system can be divided into: planar image board and Image Intensifier system.

显示系统方面，可分平面显示系统，以及影像增强管系统。

If you are committed to an education career, then the Master of Arts in Education from Ashford University is for you.

如果你是致力于教育事业，那么，艺术教育硕士学位阿什福德大学是给你的。

objective:to explore the expression of survivin protein and its mrna in rectal cancer and their clinic significance.

目的：研究凋亡抑制因子survivin蛋白及其mrna在直肠癌组织中的表达及其与临床病理关系。