Using two-flow model, small perturbation theory and solvable conditions of one-order linear equations, a dispersion equation of pressure wave in horizontal air-liquid bubbly flow was proposed.
利用两流体模型、小扰动原理和线性一阶齐次方程组有解的条件,得到了气液泡状流型下的压力波色散方程。
Through sifting the characteristic parameters of artery pulse wave, a multiple regression equation to measure the rat artery pressure was developed indirectly.
通过提取动脉脉搏波特征参数,建立了间接测定大鼠动脉血压的多元回归方程。
The equation of displacement wave and sound pressure wave in the sound velocity experiment are derived. And their relation is analyzed.
推导了声速测定实验中合成声场的位移波动方程、声压波动方程以及两者之间的关系。
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