This paper studied on oat oil from deshelled oat seeds by petroleum ether extraction.
本课题以脱壳燕麦为原料，经石油醚提取得到燕麦油。
Pok, in this paper the methods of water extraction, ethanol extraction and petroleum ether extraction were used.
本实验采用水提取法、醇提取法和石油醚提取法对准噶尔铁线莲的化学成分进行了定性研究。
Compared with petroleum ether extraction method, the extraction rate from SFE -co2 is higher and extraction time shorter.
并与传统的石油醚萃取法相比较，其萃取时间短，得油率高。
MethodsTo obtain chemical constituents from Musa basioo, in this paper the methods of water extraction, ethanol extraction and petroleum ether extraction were used.
方法采用水提取法、醇提取法和石油醚提取法对芭蕉根的化学成分进行定性实验。
To obtain chemical constituents from the fruit of Catalpa ovata G. Don, the methods of water extraction, ethanol extraction and petroleum ether extraction were used.
采用水提取法、醇提取法和石油醚提取法对梓树果实的化学成分进行了比较全面的定性实验。
The method of extracting the auxin in seaweeds with organic solvent, separating and purifying the auxin by ether extraction method and column chromatography has been established.
确立了以有机溶剂提取海藻中的生长素，以乙醚萃取法和柱层析法对生长素进行分离纯化的方法。
The results show that the crown ether extraction- neutron activation method can be satisfactorily applied to the separation and determination of trace rhenium in rock samples and complex systems.
研究结果表明冠醚萃取中子活化法可较好地用于岩石和复杂体系中痕量铼的分离分析。
The results show that the crown ether extraction- neutron activation method can be satisfactorily applied to the separation and determination of trace rhenium in rock samples and complex systems.
研究结果表明冠醚萃取中子活化法可较好地用于岩石和复杂体系中痕量铼的分离分析。
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