The application of the non-explosive expansion material (NEEM) is widely used as the controlled fracture method in quarr......

实现地下硬岩矿山非爆破机械化连续开采一直是业内追求的目标,随着材料与机械学科的深入发展以及卸荷岩石力学理论及岩石诱导破裂......

Objectives:To document the frequency of occurrence and types of symptoms experienced in the contralateral ear in patient......