When water-pressure blasting, initial shock wave parameters in water and shock wave parameters in hole walls are discussed in this paper.
初步探讨了炮孔水压爆破时,水中冲击波的初始参数和孔壁处冲击波参数;应用弹性理论和波动理论推导出了孔壁岩面上的冲击压力。
They concluded that depending on stone burden, shock wave lithotripsy might be a good option for initial treatment of most ureteral calculi in children.
他们得出结论,依赖于结石负荷,冲击波碎石术是大部分儿童输尿管结石初次治疗时的一种好选择。
Vector analysis and shock wave theory are applied to the initial phase during which the contact periphery expands more quickly than the compression wave fronts in the droplet.
对于第一阶段运用矢量分析和激波理论关系,建立了适用于高速撞击条件的非线性激波模型。
The initial treatment method was shock wave lithotripsy and 80.3% (57 ureters).
初次治疗用冲击波碎石术的患者有80.3%(57条输尿管)。
The test problem is the initial stage of a two-dimensional diffraction and reflection of a plane shock wave, impinging on a rectangular obstacle.
所选算例为平面激波遇矩形障碍物初始阶段的绕射与反射。
The basic equations and the polar curve method to solve the initial parameters of shock wave in rock are also developed.
给出了求解岩石冲击波初始参数的基本方程和极曲线方法。
The effects of blast shock wave in the second phase are brought to the residual structure in the form of impulse after perforation, and then the circular plates obtained initial kinetic energy.
第二阶段,爆炸冲击波作用以冲量的形式作用在穿孔后的剩余板结构上,给板一个初始动能。
The effects of blast shock wave in the second phase are brought to the residual structure in the form of impulse after perforation, and then the circular plates obtained initial kinetic energy.
第二阶段,爆炸冲击波作用以冲量的形式作用在穿孔后的剩余板结构上,给板一个初始动能。
应用推荐