أرسل هذا في رسالة قصيرة: Influence of calcination temperature on anatase to rutile phase transformation in TiO 2 nanoparticles synthesized by the modified sol-gel method

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