• 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。

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  • In comparison with the solvent extraction technology, the technology of extracting Aloesin by using of supersonic was studied.

    比较了传统有机溶剂萃取法和超声波破碎浸提法在提取芦荟苦素方面的差异。

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  • Methods. Solvent-extraction process was carried out on extracting the eugenol of the leaves. the content of the eugenol was studied by GC.

    方法:利用溶剂提取的方法对木樨科丁香叶中的丁香酚进行提取,采用气相色谱对丁香酚进行含量测定。

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  • The total flavones ofHippophae were refined by solvent extracting after refined by macroreticular resins in order to attain more pure product.

    沙棘总黄酮用树脂精制后,用溶剂萃取,进一步提高纯度。

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  • The method of extraction by supercritical carbon dioxide is a method of using carbon dioxide as solvent for extracting.

    超临界二氧化碳萃取法是使用二氧化碳作为萃取溶剂的方法。

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  • Based on the theory of solvent extracting and the principle of oxidative desulfurization, the oxidative desulfurization technology of diesel oil is optimized by orthogonal experiments.

    依据溶剂萃取理论及氧化脱硫原理,应用正交实验设计优化了柴油氧化脱硫工艺。

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  • RESULTS:The extracting factors were effected by the alcohol concentration and extracting times first and then the solvent amount and extracting time.

    结果:影响提取的因素主要为乙醇浓度和提取次数,其次为溶剂量和提取时间。

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  • The free radical network scavenging agent of the invention is obtained by extracting raw materials which comprise forsythia, giant knotweed and myrobalam by organic solvent.

    本发明的自由基网络清除剂,是用有机 溶剂从包括连翘、虎杖和诃子的原料中提取得到。

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  • To study technics flow of extracting effective ingredients of Allium Mongolicum Regel by solvent extraction methods by orthogonal experiments design.

    用正交试验设计研究了溶剂萃取法提取沙葱有效成分的工艺流程。

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  • The liquid phase water sample was continuously injected into extracting organic solvent by spray pumping.

    在实验过程中,液体水样在泵的作用下,通过喷头与萃取溶剂接触。

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  • Through selecting extracting solvent, extracting times and alkalinizing method, Oxymatrine is extracted and purified by ion-exchanging and re-crystallization.

    通过对溶剂、提取次数、碱化条件的选择,用离子交换和重结晶的方法提取纯化氧化苦参碱。

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  • The additive with anti-acne efficacy of the invention is obtained by extracting raw materials such as salvia miltiorrhiza, angelica dahurica and rhubarb by organic solvent.

    本发明的祛痘功效添加剂,是用有机溶剂从丹参、白芷和大黄的原料中提取得到。

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  • Solvent impregnating resins (SIR) have been prepared by impregnating macroporous styrene-divinylbenzene copolymer adsorption resins (SDAR) in the solution of extracting agent N235.

    用萃取剂N_(235)(多种叔胺混合物)浸渍大孔苯乙烯-二乙烯基苯吸附树脂(SDAR)制备了溶剂浸渍树脂(SIR)。

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  • The optimal extraction conditions and HPLC chromatographic conditions were confirmed by investigating the extracting solvent, mobile phase type and maximum absorption wavelength.

    对提取试剂、流动相条件、最大吸收波长进行了研究,确定了最佳提取方法及色谱条件。

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  • The optimal extraction conditions and HPLC chromatographic conditions were confirmed by investigating the extracting solvent, mobile phase type and maximum absorption wavelength.

    对提取试剂、流动相条件、最大吸收波长进行了研究,确定了最佳提取方法及色谱条件。

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