أرسل هذا في رسالة قصيرة: Major ion chemistry and dissolved inorganic carbon cycling in a human-disturbed mountainous river (the Luodingjiang River) of the Zhujiang (Pearl River), China

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