Cov Khoom Siv Tseem Ceeb Ntawm Cov Roj

Mar 19, 2020

Lub hauv paus muaj feem ntawm roj av yog oily (qhov no yog nws cov khoom siv tseem ceeb), cov pos hniav (ib cov roj uas muaj cov khoom khov), asphaltene (tsaus xim av lossis xim dub tawv hauv cov khoom), thiab carbonaceous. Petroleum yog ib qho sib xyaw ntawm hydrocarbons. Nws muaj tus ntxhiab tsw tshwj xeeb thiab yog cov xim ua paug uas yog kua roj.