1、

the accelerations of 4 shock motion grades were significantly different and with good reproducibility.

4个冲击加速度级别差异显著,数据重复性好;

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2、

Radial expansion of lightning channels are analysed theoretically and the mechanism of the formation of shock waves of lightning is discussed by applying the equation of motion, the equation of continuity and the equation of energy conservation of hydrostatics.

本文从流体力学欧拉运动方程、连续方程和能量守恒方程出发,理论分析闪电通道的径向扩展,研究闪电冲击波的形成机制。

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3、

The friction loss of saw chain is different from general friction loss, it contains relative motion surface friction loss and shock loss two factors.

锯链的摩擦损失不同于一般的摩擦损失,它包括相对运动表面的摩擦损失和冲击损失两个因素。

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4、

Study on attenuation law of ground motion induced by subway shock

地铁诱发地面运动的衰减规律的研究分析

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5、

numerical simulation of shock wave-induced motion of a cylinder

激波诱导圆柱运动数值模拟

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6、

Studying the equation of motion of damped simple pendulum, the shock wave solution is found.

研究和分析有阻尼单摆的运动方程,应用近似法方程时发现存在冲击波解并精确求解。

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7、

According to the experimental results, the irregular change of time histories of particle vibration is discussed in the period of strong motion, and it is found that the Fourier spectrum can not describe the shock property of strong motion.

根据实验结果,对质点振动时间历史在强震阶段的不规则变化进行了讨论,发现Fourier谱不能描述强震脉冲作用的特征。

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