發送短信 : Photochemical formation of silver nanoparticles in poly(N-vinylpyrrolidone)

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