أرسل هذا في رسالة قصيرة: Characterization of crude bacterial urease for CaCO₃ precipitation and cementation of silty sand

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