Cov ntaub ntawv pov thawj
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Cov ntaub ntawv siv rau kev kuaj lub cev
Cov ntaub ntawv pov thawj no suav nrog 16 cov qauv thee nrog cov ntsiab lus sib txawv ntawm cov sulfur rau kev siv raws li cov qauv ntsuas rau kev ntsuas thee.Ntxiv nrog rau cov sulfur, lawv tau ntawv pov thawj rau lawv cov tshauv, cov teeb meem tsis hloov pauv, tus nqi calorific, carbon, hydrogen, nitrogen thiab cov txheeb ze txheeb ze.Tag nrho cov ntaub ntawv tau muab rau hauv rooj 1.
