أرسل هذا في رسالة قصيرة: Preparation and application of mixed octadecylsilyl- and (3-(C-methylcalix[4]resorcinarene)-hydroxypropoxy)-propylsilyl-appended silica particles as stationary phase for high-performance liquid chromatography

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