Coal joints and cleats are geological discontinuities that are the most important factors that affect the mechanical res......

Bumps and other types of dynamic failure have been a persistent,worldwide problem in the underground coal mining industr......

彩色多频同步显示器行输出级电路各项功耗的计算,是一项涉及许多领域的复杂工作,它主要包括正程总功耗P_A与逆程总功耗P_B两大内容......

提出了一种基于参数展开的新的同伦分析技术(PE-HAM):结合参数展开技术和同伦理论将一非线性动力系统(不要求系统内含有小参数)的......

The energy emitted by an electron in course of its transition between two quantum levels can be considered as a dissipat......

In this paper, charging capacitor in RC circuit, to a final voltage, via arbitrary number of steps, is investigated and ......