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

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