• Stability and solvent extraction method was used to extract rutin from Mulberry leaf.

    研究芦丁的加工稳定性以及溶剂法提取桑叶中芦丁的工艺条件。

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  • Solvent extraction method has simple production process, but it has many weakness such as solvent residual, lower yield, lower purity.

    超临界流体萃取法提取率高,产品纯度好,流程简单,能耗低,无有机溶剂残留,但对设备要求高,不易形成工业化生产。

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  • The results show that supersonic method is superior to the solvent extraction method, the process with supersonic cost less time and extract more amounts of Aloesin.

    实验表明:超声提取法优于溶剂提取法,所用的时间短,提取率高。

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  • The use of three methods for extraction of peony seeds Mechanical crushing extraction method, Organic solvent extraction method, Supercritical CO_2 extraction method.

    利用三种方法对牡丹籽进行萃取:机械压榨法、有机溶剂萃取法、超临界CO_2萃取法提取牡丹籽油。

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  • Compared to the conventional organic solvent extraction method, the subcritical water extraction method showed shorter handling time and lower solvent consumption without waste producing.

    结果表明,当两者具有相同的提取效果时,亚临界水提取法的提取时间及提取溶剂的消耗量大大减少,避免了使用有机溶剂造成的污染。

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  • Therefore, it is possible to use the cheap solvents (mixture of methanol and water) instead of the expensive hexane and acetone when the Accelerated Solvent Extraction method is employed.

    这表明采用加速溶剂提取技术,可用价格较低的甲醇取代昂贵的正己烷和丙酮。

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  • The extraction technology using the porous media to be impregnated by solvent is an effective separation method.

    利用浸渍溶剂的多孔介质进行萃取是一种有效的分离方法。

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  • 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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  • This article introduced a new method of automatic extraction Accelerated Solvent Extraction (ASE), and its principle and application for residual analysis of pesticides.

    本文介绍了一种新型的全自动萃取方法-快速溶剂萃取(ASE)技术,以及它在农药残留分析中的应用。

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  • Meanwhile, an effective method of obtaining acidic components from heavy oil by solvent extraction was provided and the suitable extraction condition was explored.

    同时建立了一种有效的溶剂萃取、浓缩超稠油中酸性组分的分离方法,并探讨了适宜的萃取条件。

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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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  • The water resistance of PVA was increased by using urea. The product was tested by the method of solvent extraction. The best modification condition was found.

    用尿素对聚乙烯醇基料进行了改性,使其耐水性得到提高。并用溶剂萃取法对其耐水性进行了测试,确定了最佳改性条件。

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  • This study developed a method for simultaneous determination of 47 organophosphorous pesticides in greasy wool by accelerated solvent extraction (ASE) coupled with GC-NPD.

    建立了快速溶剂萃取-气相色谱法同时测定含脂羊毛中47种有机磷杀虫剂残留量的方法。

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  • Methods: Ethanol as solvent, using ultrasonic extraction method of total flavonoids in propolis extracted using ultraviolet-visible spectrophotometry of total flavonoids were determined.

    方法:以乙醇为溶剂,采用超声提取的方法对蜂胶中的总黄酮进行提取,利用紫外-可见分光光度法对总黄酮的含量进行测定。

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  • A method for extraction of aromatic hydrocarbon using sulfolane as solvent is described.

    介绍以环丁砜为溶剂、萃取芳烃的方法。

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  • Solvent extraction experiment has been done, in which the feedstock of xinjiang vacuum residue was mixed with RFCC slurry by the method of Supercritical Fluid extraction and Fractionation (SFEF).

    以新疆减压渣油中掺入不同比例的重油催化裂化油浆为原料,在超临界流体萃取分馏装置上,进行丁烷脱沥青试验。

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  • As a new method of nickel extractive metallurgy, the process of chlorine leaching purification electrolysis for nickel sulphide concentrate usually USES solvent extraction as its purification.

    硫化镍精矿氯气浸出—净化—电积工艺作为镍提取冶金的新方向,其净化过程大多采用溶剂萃取方法。

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  • Pressurized solvent extraction (PSE) of imidacloprid in soil comparing to traditional method such as ultrasonic extraction, shaking extraction and Soxhlet extraction were studied.

    对土壤样品中吡虫啉快速压力溶剂萃取技术(PSE)与传统提取方法(超声波萃取、振荡提取和索氏萃取)进行了对比研究。

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  • Taking mulberry seeds as raw material, the extraction parameters of protein from mulberry seeds by the salt solvent method was investigated.

    以桑椹籽为原料,对盐溶法提取桑椹籽蛋白质的参数进行了优化。

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  • A gas chromatographic method for analysis of hydrocarbons in edible oil extraction solvent was developed.

    建立了食用油脂浸出溶剂组成的气相色谱分析方法。

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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.

    溶剂萃取法是分离提纯稀土的一种有效方法,由于萃取剂的不同导致萃取分离稀土元素的效果不一。

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  • The technology on extraction of Tenebrio molitor oil by organic solvent method was investigated in this paper.

    以黄粉虫为原料,研究了有机溶剂法提取黄粉虫油脂的工艺。

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  • 12 kinds of dioxin-like polychlorinated biphenyls(PCBs)in soil were determined by accelerated solvent extraction(ASE)and gas chromatography method.

    采用加速溶剂萃取(ASE)—气相色谱法测定土壤中的12种类二恶英多氯联苯。

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  • Method: Compounds were separated by solvent extraction and column chromatography with silica gel and structures were elucidated by chemical evidence and spectral analysis.

    方法:溶剂提取和硅胶柱色谱法进行分离,理化性质和光谱数据鉴定其结构。

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  • Methods The extraction of anthraquinone from rhubarb was performed by liquid-liquid continuous biphasic extraction and this method was compared with 3 general solvent methods.

    方法采用自制装置双相水解连续萃取法提取蒽醌衍生物,并和常用的3种溶剂法对比。

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  • The flavonoids were extracted with 70% ethanol as the solvent from Abrus cantoniensis with ultrasonic wave and extraction method.

    以70%乙醇为溶剂,超声波提取法提取鸡骨草中的黄酮;

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  • The results showed that it was a simple method with good reproducibility and high recovery rate in determining gossypol content in methanol phase from two-phase solvent extraction.

    结果表明,该方法具有简便、重复性好、回收率高等优点,可用于双液相浸取棉仁的甲醇相中棉酚含量的测定。

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  • Compared with common sample pretreating method of organic solvent extraction, this method showed the advantages of simple procedure, very little loss of analyzed sample, rapidity and sensitivity.

    相比目前常用的有机溶剂萃取的样品处理方法,该方法显示了步骤简单、待分析物损失量小和快速灵敏的优点。

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  • The method in the invention is simple and rapid, has high extraction yield and innocuous solvent and is applied to industrial production.

    本发明方法简单、快 速、提取率高、溶剂无毒无害,适合于工业生产。

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  • Determination of free water for compound fertilizers is usually applied Karl Fischer method or vacuum oven method, a different extraction solvent can selected as Karl Frscher method is applied.

    复混肥料中游离水含量的测定方法通常采用卡尔·费休法或真空烘箱法,用卡尔·费休法测定时又可选用不同的萃取剂。

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