發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Band structures and optical gain of strained GaAs[sub x]P[sub 1−x−y]N[sub y]/GaP quantum wells