As a new material, the alloy has found its extensive use in electronics industry and electrical equipment in recent years for the electric contact plate, contact ring, clamping part etc.

Influences of axis inclination, length, clamping Angle of anchorage, roughness and bonding degree of interface on the displacement of anchorage and repose stability of rock mass were explored.

Objective To investigate the therapeutic effects of arc blade holder in extracapsular cataract extraction and intraocular lens implantation through small incision.