| 1. | There is no pressure gradient through the thickness of the film .
贯穿流体膜厚度无压力梯度。 |
| 2. | A number of overall correlations have been developed for the prediction of the pressure gradient in the vertical flow of gas-liquid mixtures .
为了预测气液混合物垂直流动的压力梯度，已经得出了许多整体相关规律。 |
| 3. | Determination and regression of overburden pressure gradient
上覆岩层压力梯度合理计算及拟合方法 |
| 4. | The smaller the permeability , the bigger the start - up pressure gradient
渗透率越小，启动压力梯度越大。 |
| 5. | Pressure gradient correction factor
压力梯度校正因子 |
| 6. | A study of unsteady flow of viscoelastic fluid by ananlyticl method
周期压力梯度下粘弹流体非定常流动的解析法研究 |
| 7. | Fracture pressure gradient
破裂压力梯度 |
| 8. | Imparity pressure gradient
压力梯度不等 |
| 9. | Brake pipe gradient
制动管压力梯度 |
| 10. | A convenient model of pressure gradient calculation of gas - liquid slug flow in vertical wellbore
垂直井筒气液段塞流压力梯度的简便算法 |
