"Chhàu-iû" pán-pún chi-kan bô-kāng--ê tē-hng
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Tē 1 chōa:
'''Chhàu-iû''' sī 1 chióng bô sek koh gâu to̍h-hoé ê [[thoàⁿ-kheng]] (hydrocarbon) e̍k-thé (só͘-í mā hō chò '''chúi-iû'''), hiān-tāi phó͘-phiàn iōng lâi chò [[phùn-siā-ki]] [[iân-jín]] ê [[jiân-liāu]]. Chhàu-iû sī [[chio̍h-iû]] tī 150 °C chì 275 °C ê un-tō͘ hā, keng-koè [[hun-pia̍t cheng-liû]] (fractional distillation) só͘ sán-seng--ê, i ê thoàⁿ-liān (carbon chain) tn̂g tī C12 kàu C15 ê hoān-ûi lāi.
Canada tē-chit-ha̍k-ka [[Abraham Gesner]] tī 1846 hit nî tùi thian-jiân ê
Sio̍k-kè koh phó͘-phiàn ê chhàu-iû chō-chiâⁿ [[19 sè-kí]] āu-poàⁿ ê [[hái-ang]] sán-gia̍p kip-sok lâi pāi-hām. Hái-ang chú-iàu ê sán-phín sī teng-iû.
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