In this paper,a novel roll-to-roll imprint process is proposed to fabricate gratings in large area. The key challenges in roll-to-roll imprint process,such as t
When the bridge structure stability safety factor of the first type is 4, the research that whether the structure reliability index will reach target reliabilit
The load compensation equipment for anchor cable named low retraction prestressed anchorage system with twice-tension(referred to as twice-tension anchorage sys