Imbibition is thus displacement due only to capillary forces. 於是,吸吮是僅僅依靠毛細力的一種驅替。
Critical flow pressure reflects the impact of capillary pressure and boundary effect and gas percolation, and causes non-Darcy gas flaw. 臨界流動壓力反映了毛細管力與邊界層作用對氣體滲流的影響,並使氣體表現出非達西滲流特徵。