In this paper, a new method based on surface curvature for roof edge detection is presented.

In this paper, the notion of stability of hypersurfaces with constant mean curvature was considered.

介绍了具有常数平均曲率的超曲面的稳定性概念.

Nitsche dealing with the existence and uniqueness of graph-like prescribed mean curvature hypersurfaces in hyperbolic space.

Nitsche新近发表的一篇文章的主要结果,该结果涉及双曲空间中具有预规平均曲率的图状超曲面的唯一存在性.

The preparation and nucleation of a strong earthquake involve fracturing of asperities on the fault plane, and the foreshock activity, the dynamic rupture process and the precursors of the strong earthquake depend on the scale, the strength and the number of asperities.

强震孕育过程中包含着凹凸体的破裂，断层面上凹凸体的尺度、强度及数量决定着前震活动的特征、强震动态破裂过程以及前兆现象。

The experiments indicated that asperities of roll surface plow and stick to the aluminum strip surface, and lubrication oil film in deformation zone shields surface topography of aluminum strip are the primary reasons of surface damage of cold rolled aluminum strip.

实验发现：轧辊表面微凸体对铝板表面的犁削与粘结作用，以及变形区内润滑油膜对铝板表面形貌的屏蔽作用是冷轧铝板表面损伤的主要原因。

It is noted that there is a thin fluid film between the loaded asperities and the wafer being polished in CMP process, thereby a flow system with nano scale film is formed in.

在简述化学机械抛光技术的基础上，提出化学机械抛光过程中，受载的粗糙峰和被抛光的晶片表面之间存在一纳米量级的薄流体膜，形成了纳米级薄膜流动系统。

Based on the number of asperities on the fault plane, the asperity model was classified into three models: all-asperity, single-asperity and multi-asperity models.

根据凹凸体的数量将凹凸体模型分为三种模型：所有凹凸体，单凹凸体和多凹凸体。

Merchant thought that minute asperities existed at the chip-tool interface and the fluid was drawn into the interface by the capillary action of the interlocking network of these surface asperities.

Merchant认为：在切屑与刀具接触界面上存在微小的粗粒，切削液通过这些表面的微小粗粒组成连锁的网络的毛细管被吸入到切屑与刀具的接触界面上。

In this model the rough surface of the contact is idealized as a plane with some asperities. The sticking effect is also considered. The variation of contact resistance with contact force is calculated.

模型将粗糙的触头表面理想化为多微丘结构，并考虑了表面粘连效应，给出了接触电阻与接触力之间的变化关系。

However, at higher angle of tooth-shaped asperities and under higher normal stress, the failure model II is found, which is in first tension but final shear failure.

在较高的法向应力下，含起伏角较高齿形节理面的非贯通节理岩体可能出现破坏模式II（先张拉后剪切破坏模式）。

In microscope scale, a rough surface can be regarded as a series of asperities with certain stochastic distributions of asperity height, size and geometry.

从微观角度来看，粗糙表面可以近似地认为是由一系列高度、大小以及几何形状服从一定分布规律的微型粗糙峰所组成，因此粗糙峰之间的接触问题也就成为研究粗糙表面接触问题的关键。

Numerical results reveal that the existence of single asperities can lead pressure to change drastically and film thickness to become thin in the vicinity of the asperities.

结果表明，单粗糙峰造成接触区对应位置油膜压力剧烈变化而膜厚变薄。

In this paper, a three-dimensional measuring system for surface asperities is described, in which a microcomputer is interfaced to a stylus profilometer.

本文介绍采用触针式轮廓仪与通用微型机相连的表面三维形貌测量系统。

The highest temperature of asperities is much higher than that of worn plane, which is one of the main factors in leading to stress graphitization on worn surface.

摩擦过程中粗糙表面微凸体的最高温度远大于摩擦平面，瞬时的高温和摩擦剪切力的作用使微凸体被应力石墨化。

The relationship between sliding friction force and contacting condition of rough surfaces was developed according to kinematics and dynamics analysis of two contacting asperities.

从一对微凸体的接触力学和运动学分析出发，建立了非流体动力润滑条件下粗糙表面滑动摩擦阻力与粗糙表面接触状态间的关系。

Based on the interaction of asperities and upper-bound approach a mathematical model for simulation of friction phenomenon between dies and workpiece was proposed.

本文中以刚性微凸体与可变形微凸体的相互作用模拟金属压力加工过程中模具与工件之间的摩擦过程，并用上限法分析所提出的模型。

The influence of density distribution and height of the asperities on nonlocal friction is also studied here. A experimental system for friction test is designed.

分析了微凸体分布密度不同、微凸体高度不同时，非局部摩擦的影响变化规律。

She was oppressed by an abiding sense for the asperities and inequalities of society.

她深受压抑，长期因社会的冷酷和不公深受困扰。

The larger the surface roughness and the sharper the asperities, the greater the asperity contact load.

表面越粗糙、表面凸峰越尖锐，微峰接触载荷则越大。

Earthquake doublet in Kagoshima, Japan: rupture of asperities in a stress shadow

日本鹿儿岛的地震对：应力影区中的凹凸体破裂

Far-field body-wave radiation of the fault which contains asperities

含粗糙面断层的远场体波辐射