Budd-Chiari syndrome (BCS) causes postsinusoidal portal hypertension, which leads to complications similar to those obse......

根据非周期来压期间工作面支架受力与冒落带高度有关和周期来压时刻与裂隙带的平衡状态有关,以及“支架与围岩”相互作用的原理,推......

众所周知,在采用全部垮落法管理顶板的回采工作面,采空区上覆岩层内最终要形成冒落带、裂隙带和弯曲下沉带。对采场顶板管理密切......

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