發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Effects of alumina surrounding in sintering process on ZnO-Bi<inf>2</inf>O<inf>3</inf>varistors doped with CoO