In this paper,a delayed HIV/AIDS epidemic model with treatment and spatial diffusion is introduced.By analyzing the corr......

为了提高工业分析的工作效率和测量精度,设计一种基于ARM的全自动测量煤质的触摸式工业分析仪。该分析仪采用热重分析原理自动测量......

以南龙铁路矮陂隧道下穿先行施工的新埔上隧道工程为背景,运用FLAC3D数值分析软件,模拟分析了超小净距交叉隧道先上后下施工时的位......

This paper is concerned with the existence of traveling wave solutions in a reaction-diffusion predator-prey system with......