参考面

It is shown that the mechanical properties including Young's modulus, tensile strength, critical strain and stress under buckling can be enhanced with the decreasing of intershell spacing. The shear strength can be enhanced by 2-3 orders of magnitude when the intershell spacing is reduced to 20%, which is also dependent on commensuration. Zigzag-type carbon nanotubes have higher shear strength. The axial stress in tubes when the load transferring from outmost tube to inner tube is observed as well.

研究了单壁纳米管束横截面的六方化失稳现象，给出各种管径的面内压力－应变关系曲线；每条曲线都给出一个明显的拐点而且有很强的非线性；线弹性模量与参考构形有关，也受管直径的影响；分析了管束横截面的晶格不稳定性特征，表明晶格的缺陷能够明显的减小临界值；模拟了在不同应变下纳米管束对静水压的反应，发现不同压力下的截面形态不同，在很高压力下相邻管之间会形成化学键。

The results of this study, and the significance of foot concavity might help the treatment planing of periodontal therapy.

由本研究之结果及根面凹陷存在之意义，有助於国人牙周病治疗计划之拟定与治疗上之参考。

The propagation characteristics of cylindrical Rayleigh waveand circumferential wave are analyzed.

该研究为利用激光激励的柱面Rayleigh波和周向导波进行无损探伤提供了有益参考。

In this paper, we demonstrate that, based upon boundary conditions and the uniqueness theorem of domain decomposition method for boundary problem of Helmholtz equation, Snell's law may also be derived without adopting phase-matching condition.

该文利用Helmholtz方程边界问题的边界条件和域分解理论，研究了静态面电荷对电磁波在介面传播的影响，理论上得到了一些有物理意义的结果，这对认识电磁波在介面的传播特性有一定参考价值。

Object surface points of the wavefront reference beam mirror movement modulation double - exposure holographic displacement measurement of the direction of the object theory and method.

研究物面分波前反射镜运动调制参考光双曝光全息测量物体位移方向的理论与方法。

A electrocardiograph and body are connected into a test circuit and is analyzed by the basis of electricity and mathematics.

将心电图机与人体连接成测试系统，通过电学与数学基本原理的分析，结果心电六轴系统中额面与横面的"0"是以右上肢为参考"0"电位点。

Based on the theory of gearing and differential geometry, a series of geometric relationships between conjugate tooth surfaces are analyzed, basic relationships of normal curvature as well as geodesic torsion between conjugate tooth surfaces are derived mathematically for the most general form of gearing .

作为上述理论的具体应用，研究了准双曲面齿轮传动两齿面之间在给定参考点处的法曲率、短程挠率的关系。

The reference height we have chosen is the one closest to the average height of the worlds oceans. This is called the Geoid.

我们一般选择的参考高度是最接近全球平均海平面的那个层，也就是所谓的大地水准面。

Based on this system, harmonic and subharmonic periodic response of S-LF subjected to harmonic motion is investigated by using Floquet theory.

并给出了这种结构的最大滑动位移响应随滑移面摩擦系数的变化曲线，可供设计时参考。

The focus of this paper is concentrated on the generation of hexahedral mesh. Based on the strict procedure, the effective simulate result can be used as reference for developing a new type of catalytic converter.

文中详细的阐述了其六面体网格生成过程，使用严格的计算程序，得到了有效的模拟结果，为排气后处理系统的开发和研制提供了实用的参考。

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。