The fractionation methods of palm oil are composed of dry fractionation, solvent fractionation and surface active agent fractionation.
棕榈油的分提方法有：干法分提、溶剂分提及表面活性剂分提。
This paper deals with the way of purifying highly purity hyaluronic acid from ox eye by fractionation and organic solvent precipitation.
本文报道采用分级分离并结合有机溶剂沉淀法，从牛眼中纯化出高纯度透明质酸，较其他方法简便，易形成规模。
The fractionation separation of fructose monopalmitate and fructose dipalmitate by extraction with mixed organic solvent were performed.
研究了混合溶剂法分级分离棕榈酸果糖单酯和棕榈酸果糖双酯的工艺。
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