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。
Overview: The Division mainly sweet clover extract of sweet clover Sichuan region of China for raw materials, petroleum ether extraction by roots in the system.
概述：本司草木犀浸膏主要采用中国四川地区的草木犀为原材料，通过石油醚浸提根茎制得。
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。
Conclusion: the new compound was identified as paeoniflorin-4-ethyl ether, which may be an artifact produced during extraction proved by simulate experiment.
结论：新化合物结构鉴定为芍药苷4乙基醚，并通过模拟实验证明可能为提取过程中产生的人工产物。
Calixarene is a kind of respecting host macrocyclic compound followed cyclodextrin and crown ether, and has strong ability of selective extraction of metal ions.
杯芳烃作为继环糊精、冠醚之后的第三代大环类主体化合物，对金属离子具有较强的选择性萃取作用。
Extraction of Gallium from high concentration HCl solution using organic phases which composes of TBP and butyl acetic ester, xylene, petroleum ether and kerosene, respectively, are investigated.
系统研究了以TBP为萃取剂，乙酸丁酯、二甲苯、石油醚、 煤油为稀释剂，从高酸度盐酸溶液中萃取镓。
Through single factor and orthogonal experiments, extraction of oil from soybean embryo and its composition were studied by using petroleum ether as degrease solvent and GC, respectively.
以大豆胚芽出油率为指标，石油醚为脱脂溶剂，通过单因素和正交试验对大豆胚芽索氏提取工艺进行了研究，并用气相色谱对胚芽油的脂肪酸组成进行了分析。
Experiment results showed that mixed solvent of isopropyl ether and phenol could promote the extraction of hydroquinone.
实验发现，异丙醚-苯酚复合溶剂对萃取对苯二酚有促进作用。
The crude glucuronides of the various alcohols were isolated from the urine by extraction with ether or mixtures of ether and ethanol.
各种乙醇的粗葡萄糖醛酸甙从尿中用醚或醚和乙醇混合物提取分离的。
Overview: the Division plum extract mainly produced in Yunnan plum child, obtained through the extraction of petroleum ether extract.
概述：本司梅子浸膏主要采用云南产的酸梅子，通过石油醚浸提制得浸膏。
Then gradient extraction was carried out with petroleum ether and ethyl acetate, and the activity of extracted substance with ethyl acetate was better than others.
再用石油醚、乙酸乙酯进行梯度提取，确定乙酸乙酯提取物的活性更优，测得总黄酮含量为27.73%。
Commercially available sodium lauryl sulfate was purified by such methods as recrystallization of water, recrystallization of ethanol and extraction of ethyl ether.
介绍了用两种不同的方法制备十二烷基硫酸钠，并对制备出的产物的性能与分析纯的标样进行了比较。
Commercially available sodium lauryl sulfate was purified by such methods as recrystallization of water, recrystallization of ethanol and extraction of ethyl ether.
介绍了用两种不同的方法制备十二烷基硫酸钠，并对制备出的产物的性能与分析纯的标样进行了比较。
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