發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Effects of O2 and Ar reactive ion etching on the field emission properties of aligned CuO nanowire films