油井爆生气体对岩石劈裂作用过程，是裂缝面对动态荷载响应并使其发生动态扩展的过程。
During fracture propagation driven by detonation gas in oil well, dynamic response of crack surface under the gas pressure results in fast fracturing.
看重分析了长壁采煤工作面煤壁应力特点和冲击劈裂式采煤的相互作用关系，提出了冲击破煤的作业方式。
The paper emphatically analyses the interaction between the wall stress characteristic and coal getting by impact on the longwall face, proposes the work pattern of coal breaking by impact.
利用转移矩阵方法，研究了在非均匀垂直磁场作用下的二维电子气中弹道电导的共振劈裂。
By the transfer matrix method, the resonant splitting for ballistic conductance of a two-dimension electron gas is studied in the presence of an inhomogeneous perpendicular magnetic field.
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