water-surface gradient

Alterations of renal tissue water content and effects of Anisodine, Anisodamine and Buscopan on these changes were investigated with gravity gradient method in oleic acid induced acute renal failure.

采用比重梯度法定量研究了油酸致急性肾衰大鼠肾组织水含量的改变及樟柳碱、东莨菪碱、山莨菪碱对这些改变的影响。

One-dimension water-oil displacement mathematics model considering threshold pressure gradient is established.

建立了考虑启动压力梯度的一维油水两相驱替数学模型，进行了数值求解。

The effects of the geothermal gradient and bottom water temperature are great.

由此可见，在这几种因素中，地温梯度和底水温度对稳定带厚度的影响较大。

And this paper build the relationship formula between threshold pressure gradient and air permeability, water saturation.

并且建立了油水两相启动压力梯度与空气渗透率、含水饱和度的关系式。

It is indicated that the main factors affecting low permeability gas reservoir are stress action, start-up pressure gradient, permeability, slippage effect, and water blocking effect etc.

结果表明影响低渗气藏的主要因素有应力作用、启动压力梯度、渗透率、滑脱效应、水锁效应等。