أرسل هذا في رسالة قصيرة: Development and evaluation of a faraday cup electrometer for measuring and sampling atmospheric ions and charged aerosols

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