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  _____     ______    ______   _    _    _    _   
 / ____||  /_   _//  /_____// | || | || | \  / || 
/ //---`'   -| ||-   `____ `  | || | || |  \/  || 
\ \\___     _| ||_   /___//   | \\_/ || | .  . || 
 \_____||  /_____//  `__ `     \____//  |_|\/|_|| 
  `----`   `-----`   /_//       `---`   `-`  `-`  
                     `-`

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發送短信 : Influence of surfactants on the force between two bubbles