發送短信

數:

提供者:

CAPTCHA:

 __   __     ___     _____      _____    _    _   
 \ \\/ //   / _ \\  |  __ \\   |  ___|| | \  / || 
  \   //   / //\ \\ | |  \ ||  | ||__   |  \/  || 
  / . \\  |  ___  ||| |__/ ||  | ||__   | .  . || 
 /_//\_\\ |_||  |_|||_____//   |_____|| |_|\/|_|| 
 `-`  --` `-`   `-`  -----`    `-----`  `-`  `-`

Please enter what you see:

發送短信 : Acoustic and piezoelectric properties of 0-3 barium zirconate titanate-portland cement composites-effects of BZT content and particle size