2) adverse and favorable pressure gradient
逆与顺压梯度
1.
Fully developed incompressible turbulent flow with adverse and favorable pressure gradient in a conical diffuser and outlet pipe having a total divergence of 8°and an area ratio of 4:1 has been simulated by a DHR k—εturbulence model and it s wall function·BFC (Boundary -Fitted Coordinates) approach.
用DHR型k—ε紊流模型壁面函数·BFC法(边界拟合曲线坐标变换法)，对总扩散角为8°、扩散度为4的锥形渐扩管与后接管路内逆与顺压梯度完全发展的不可压粘性紊流场进行了数值仿真。
3) down-channel pressure gradient
顺螺槽压力梯度[挤塑]
4) piezoelectric compliance
压电顺度
5) Pressure Gradient
压力梯度
1.
Calculation for pressure gradients of two-phase flow for steam injection in thermal production wells;
热采井注蒸汽过程两相流压力梯度计算方法
2.
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
3.
Predicting pressure gradient of fluid in oil tubing on the condition of continuous gas-lift;
连续气举条件下举液管柱内流体的压力梯度预测
6) gradient boost
梯度升压
1.
Processing of turmeric oleoresin from turmeric by gradient boost and static-dynamic extraction of supercritical CO2 fluid are studied.
以姜黄为原料,研究超临界CO2流体梯度升压与静动态结合萃取姜黄油的工艺研究,并利用均匀试验与正交试验进行优化。
补充资料：冲击波超压与动压