The subject of this paper is to introduce the research on nano dimensional metrology using the atomic force microscopy (......

The hydraulic jump with abrupt drop is found to be of interest of the hydraulic engineers.These types of jumps are effec......

随着环境科学、气象监测和空间探测等前沿基础研究领域的发展，可便携、实时监测的光谱仪器的需求变得更加迫切。以多级微反射镜为关......