levulinic的用法和樣例：
例句
- The work proved the possibility of substituting inorganic acid with strong acidic resins for levulinic acid preparation from biomass.
該研究結果證實(shí)了用耐水型強酸性樹(shù)脂替代現有的無(wú)機酸催化制備乙酰丙酸的可能性。 - In this paper,the progress on diphenolic acid preparation by condensation reaction of levulinic acid and phenol is introduced.
利用乙酰丙酸和苯酚縮合反應制取雙酚酸。
