Text this: Aging characteristics and reactivity of two types of nanoscale zero-valent iron particles (FeBH and FeH2) in nitrate reduction

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