أرسل هذا في رسالة قصيرة: Aging characteristics and reactivity of two types of nanoscale zero-valent iron particles (FeBH and FeH2) in nitrate reduction

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