أرسل هذا في رسالة قصيرة: Effects of polyoxymethylene dimethyl ether (PODEn) blended fuel on diesel engine emission: insight from soot-particle aerosol mass spectrometry and aethalometer measurements

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