为在激烈的物流市场竞争中立足和发展,加强铁路物流全程时限优化管理具有重要意义。在阐述铁路物流全程时限内涵及管理现状的基础......

The objective of this work research is to investigate the potential of using metallic powder mixed with electrical disch......

This paper presents an AOT-controlled(adaptive-on-time,AOT)valley-current-mode buck converter for portable application.T......