發送短信 : Magnetization reversal process in elongated Co rings with engineered defects

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