發送短信 : Simultaneous adsorption of copper ions and humic acid onto an activated carbon

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