A lower particle concentration in the liquid droplet results in a smooth de-pinning of the contact line while a higher concentration leads to an abrupt one.

颗粒浓度低时，液滴接触线平稳解附，随着颗粒浓度的增加，出现突然解附和多次附着现象。

youdao

Her instinct tells her to prepare, her hand making renewed, abrupt contact with the knife, even though two of the youths appear indifferent to her and are religiously chewing qaat and arguing, bansheelike, about yesterday's match between Arsenal and Manchester United, and agreeing that the referee made a balls-up of the game by unfairly red-carding the Gunners' captain.

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