• An available method of extraction, separation and purification of alkaloids from the fruit of Macleaya Cortada has been developed.

    本文提供了一博落回果实提取分离纯化生物有效方法

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  • In the first method we make use of oxidation-reduction to adopt iodine reclaiming process of separation, extraction and sublimation from waste iodine liquid.

    第一方法利用氧化还原反应,采用分离萃取升华等工序回收液中碘的工艺

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  • The separation of intermediate using distillation under vacuum was replaced by extraction method. It was convenient and reliable.

    萃取代替减压蒸馏法分离中间物方便可靠

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  • The method of determining the mineral oil content in the oil sand with weight was recommended. As two committed steps, extraction and separation of mineral oil were discussed.

    介绍重量测定油砂矿物油含量方法,并且对测定两个关键步骤即油砂中油的萃取以及矿物油的分离进行了重点讨论。

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  • Rhubarb is a commonly used Chinese medicinal herb. In order to obtain its active ingredients extraction and separation were performed with chemical method.

    大黄常用中药,对有效成分应用化学方法进行提取分离

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  • As a HPLC method of metal coordinate, the conditions of extraction, extraction efficiency and chromatographic separation conditions have been discussed.

    拟定了金属配合物萃取高效液相色谱法,对萃取条件萃取百分率,色谱分离条件进行了研究。

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  • OBJECTIVE To establish a new method for the extraction and separation of oridonin.

    目的建立冬凌草甲提取分离工艺

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  • The preparation method of the xanthan gum comprises fermentation step, disinfection step, primary extraction, primary separation, secondary extraction and secondary separation.

    发明的黄原制备方法包括发酵步骤消毒步骤、一级萃取、一级分离二级萃取、二级分离。

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  • 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.

    研究结果表明萃取中子活化较好地用于岩石复杂体系中痕量分离分析。

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  • A method for determining mercury (Hg) in reprocessing process was investigated with separation by dithizone extraction and determination by cold atomic fluorescence spectrometry.

    本工作建立了双硫萃取分离原子荧光光谱法测定后处理工艺汞的方法

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  • Blind Sources Separation (BSS) provides a new alterative for extraction of certain signal components in the signal corrupted by noise, and presents a new method for mechanical fault diagnosis.

    分离应用于机械振动信号预处理中,提供一个新的处理机制,机械状态监测故障诊断具有一定价值。

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  • Solvent extraction is a kind of effective method in separating and purifying rare earth. The result of extraction and separation of different extractants is different.

    溶剂萃取分离提纯稀土有效方法由于萃取剂不同导致萃取分离稀土元素的效果不一。

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  • This review is concerned with the steroidal saponins' extraction and separation and the research method of their structure, for developing and utilizing natural steroidal saponins.

    本文苷的提取分离结构研究方法作一综述进一步开发利用甾体皂苷药用植物资源提供参考。

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  • This invention involves a continuous and high yield separation method for 1, 3-propanediol from fermentation liquor by reaction-extraction coupling.

    发明涉及一种发酵液中利用反应-萃取耦合法连续收率分离提取1,3 -丙二醇方法

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  • A method for the spectrophotometric determination of trace Cu 2+ with flow injection liquid liquid extraction separation and pre concentration was developed.

    用自制分相器流动注射仪联用,对有机相析出液- 液萃取光度测定微量的流路参数和操作程序进行优化。

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  • A method for the spectrophotometric determination of trace Cu 2+ with flow injection liquid liquid extraction separation and pre concentration was developed.

    用自制分相器流动注射仪联用,对有机相析出液- 液萃取光度测定微量的流路参数和操作程序进行优化。

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