asperity

n.

粗暴；（表面的）粗糙；（环境的）艰苦；严寒的天气

复数：asperities

1. He spoke to the boy with asperity.
   他严厉地对那男孩讲话。
2. The asperity of the winter had everybody yearning for spring.
   严冬之苦让每个人都渴望春天。
3. If such additives are used then the chemical activity may not be restricted to the asperity contacts.
   如果使用了上述添加剂,化学反应可能就不限于表面粗糙的接触。

Recent advances in single-asperity nanotribology
Asperity map along the subduction zone in northeastern Japan inferred from regional seismic data
Asperity Map Along the Subduction Zone in the Northeastern Japan Inferred From Historical Seismograms
An Asperity Microcontact Model Incorporating the Transition From Elastic Deformation to Fully Plastic Flow
Adhesion between Nanoscale Rough Surfaces: I. Role of Asperity Geometry
Contact mechanics of rough surfaces in tribology: multiple asperity contact
Adhesion and Friction between a Smooth Elastic Spherical Asperity and a Plane Surface
An explanation of the different regimes of friction and wear using asperity deformation models
Yamanaka, Y. & Kikuchi, M. Asperity map along the subduction zone in northeastern Japan inferred from regional seismic data. J. Geop...
Earthquake failure sequences along a cellular fault zone in a three-dimensional elastic solid containing asperity and nonasperity re...