發送短信 : Field emission properties of SiO2-wrapped CNT field emitter

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