氯离子运动所产生的渗透梯度又带动了水分子的流动。
This movement creates an osmotic gradient that allows water to flow.
另外，在剧烈太阳的照射下，海草被蒸发，盐份浓度增加，但是，硫酸聚合物可以保持渗透梯度。
When seaweed is exposed to significant evaporation, the salt concentration increases and it preserves the osmotic gradient.
低渗透储层渗流具有非达西特征和启动压力梯度，是研究低渗透储层开发过程中问题的基础。
Research on characters of non-Darcy flow and starting pressure gradient of low permeability reservoir were foundation of reservoir production.
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