And the maximum explosion pressure and maximum rate of pressure rise vary approximately linearly with the concentration.

最大爆炸压力和最大压力上升速率随粉尘浓度的增加而线性增加。

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For explosion process of gas cloud in closed vessels, flow field parameters, such as pressure, velocity, density, temperature, concentration and so on, vary with time and space.

对于球形密闭容器内气云的爆炸过程，压力、速度、密度、温度、浓度等流场参数均随时间、空间而发生变化。

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The decrease gradient of the peak displacement at the center of plate increases as the foam thickness, fuel-air concentration(i. e. explosion load size) increases to some extent.

在一定程度上，随着泡沫铝厚度、油气浓度（即爆炸荷载大小）的增加，降低板中心点处位移峰值的幅度也随之增加。

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