أرسل هذا في رسالة قصيرة: Adsorptive Removal of Chromium(VI) from Aqueous Solution by an Agricultural Waste-Based Activated Carbon

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