petroleum ether light petroleum
Methods: Seed of Cochinchinensis oil was extracted with Soxhlet extraction method.
方法: 以石油醚为溶剂,采用索氏提取法提取其脂肪酸。
—— 给力词典精选Pay attention to fire prevention when recirculating and eluting with petroleum benzin.
用石油醚回流洗脱时应注意防火。
—— 给力词典精选Moreover is to put forward the optimization for all kinds of chemical reagents.
同时提出对各种化学试剂应优选,并介绍一种新的石油醚透光率的检验方法。
—— 给力词典精选ObjectiveTo investigate and compare the best extraction method by petroleum ether from Curcuma wenyujin Y . H.
目的探讨并比较石油醚回流提取温莪术粗粉和微纳米粉体挥发油的最佳工艺。
—— 给力词典精选Results: The ester - solubility extracts including petroleum, chloroform, acetylated fraction had significant antiulcer effect.
结果: 中药紫金砂的石油醚 、 氯仿 、 乙酸乙酯等脂溶性部位具有显著的抗溃疡作用。
—— 给力词典精选