Very important for the swellingbehaviour Is the polar character of the water molecule. Experiments with nonpolar fluids like heptanor benzine showed no or only very small swelling.
同一岩样浸入极性和非极性的流体中，其膨胀性能是不同的，这与水分子的极化特性及其表面张力有关。
2
Swelling in the brain can sometimes make walking difficult and can lead to behaviour problems.
脑肿胀，有时能使你行走困难并能导致行为问题。
3
A finite element method for the design of the lining of pressure tunnels in complex-swelling rock, considering its coupled-rheological behaviour and the seepage effect is presented in this paper.