• Yellow and oily liquid. It can be ignited. Easy soluble in liquid solvent such as ethanol and ether. Under strong stirring it looks like emulsion when mixing with water.

    本品为黄色油状液体燃烧溶于乙醇乙醚有机溶剂,与水搅拌乳状。

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  • The compositions of grease were eluted with petroleum ether, benzene, chloroform, ethyl acetate, acetone, ethanol and characterized by means of IR and NMR spectroscopy.

    油脂部分依次石油氯仿乙酸乙酯、丙酮乙醇为淋洗剂进行洗脱,利用红外光谱、核磁共振光谱法分离组分进行了结构鉴定。

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  • Characters: White crystalline powder, soluble in water, dilute alcohol, liquid ammonia and dimethylformamide, and not soluble in ethanol, ether and acetone.

    理化性质白色结晶性粉末溶于二甲基甲酰胺溶于乙醇丙酮

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  • Method the extracts of petroleum ether, ether, ethyl acetate, ethanol and hot water from the whole plant were used to determine the in vitro miti-oxidant and antibacterial activity.

    方法头红石油乙醚乙酸乙酯、乙醇热水粗提取物分别进行体外抗氧化和抑菌试验

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  • The ethanol extract from the twig bark powder of Periploca sepium was suspended in water and successively treated with petroleum ether, ethyl acetate and n-butanol.

    将杠柳枝粉末乙醇提取物悬浮后,依次石油乙酸乙酯正丁醇萃取

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  • Method: Water extracts and ethanol extracts were obtained by maceration method, while petroleum ether extract was obtained by soxhlet's extracter.

    方法浸渍提取从洋虫中得到提取物乙醇提取物,用索氏提取器提取得到石油提取物

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  • The results showed that the antioxidative activity of the extract by water was stronger than that of Vc, while the extracts by 95 % ethanol and petroleum ether had no obvious antioxidation for lard.

    结果表明黄草提取物具有一定抗猪油自动氧化能力,且作用强于抗坏血酸,95%乙醇石油提取物对猪油的抗氧化作用明显

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  • Arresting cough, expectorant and anti-asthmatic effects. Intraperitoneal injection of water, methanol, ether and acid ethanol extracts of hua shu PI possesses anti-cough effect in mice.

    止咳祛痰平喘作用小鼠腹腔注射白桦树皮甲醇乙醚酸性乙醇提取物以及乙醚析出物,都有一定的止咳作用。

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  • The experiment shows that ethylene glycol dimethyl ether can be dissolved in ethanol and diesel, and the blended fuel has a good stability.

    试验表明乙二醇二甲乙醇柴油互溶具有好的稳定性。

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  • Ethanol and tert-amyl alcohol were employed to synthesize tert-amyl ethyl ether in the liquid phase at atmospheric pressure. The strong acid cation exchange resin, NKC-29, was used as catalyst.

    国产NKC-29型酸性阳离子交换树脂催化剂常压液相条件下用乙醇叔戊为原料合成乙基叔戊基

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  • The crude glucuronides of the various alcohols were isolated from the urine by extraction with ether or mixtures of ether and ethanol.

    各种乙醇葡萄糖醛酸甙尿中用乙醇混合物提取分离的。

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  • DBM is white or light yellow crystalline powder, soluble in ether, chloroform, xylene, toluene and sodium hydroxide solution, slightly soluble in ethanol, very slightly soluble in water.

    本品白色浅黄色结晶粉末,易溶于乙醚氯仿二甲苯甲苯氢氧化钠水溶液,溶于乙醇微溶于水。

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  • 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.

    采用提取法、提取法石油提取梓树果实化学成分进行了比较全面的定性实验。

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  • MethodsTo obtain chemical constituents from Musa basioo, in this paper the methods of water extraction, ethanol extraction and petroleum ether extraction were used.

    方法采用提取法、提取法石油提取法对芭蕉化学成分进行定性实验。

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  • Pok, in this paper the methods of water extraction, ethanol extraction and petroleum ether extraction were used.

    实验采用提取提取法石油提取法对准噶尔铁线莲化学成分进行了定性研究

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  • With ethanol and other organic solvents miscible, insoluble in water and petroleum ether.

    乙醇一般有机溶剂溶,不溶于石油

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  • Commercially available sodium lauryl sulfate was purified by such methods as recrystallization of water, recrystallization of ethanol and extraction of ethyl ether.

    介绍两种不同方法制备十二烷基硫酸钠,并制备出的产物的性能分析纯的标样进行了比较。

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  • Commercially available sodium lauryl sulfate was purified by such methods as recrystallization of water, recrystallization of ethanol and extraction of ethyl ether.

    介绍两种不同方法制备十二烷基硫酸钠,并制备出的产物的性能分析纯的标样进行了比较。

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