發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : The morphotropic phase boundary and electrical properties of (1 - X)Pb(Zn1/2W1/2)O3-xPb(Zr0.5Ti 0.5)O3 ceramics