發送短信 : Investigation of the reactions between boron and titanium compounds with magnesium

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