石油醚是什么意思_石油醚用英语怎么说_石油醚的翻译_石油醚翻译成_石油醚的中文意思_石油醚怎么读,石油醚的读音,石油醚的用法,石油醚的例句

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.

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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.

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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.

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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.

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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.

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Compared the spectrogram , that the petroleum ether used as solvent is better than anther.

通过气相色谱分析的谱图比较, 发现石油醚的提取效果较好.

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Objective To investigate the chemical constituents of the root of Solanum torvum Swartz.

目的研究金钮扣根石油醚部位和醋酸乙酯部位的化学成分.

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Portions of petroleum ether, n - butanol and water extracted from LEEs was much weaker on anticoagulant activity.

石油醚部位 、 正丁醇部位、水部位也有较弱抗凝活性.

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Methods Galangin was extracted with ethanol, degreased with ligarine, and extracted with chloroform.

方法采用乙醇提取, 石油醚脱脂, 氯仿萃取,上聚酰胺柱得到高良姜素.

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