• Test method, GB/T2912.1—1998 Textiles-Determination of formaldehyde-Part 1: Free and hydrolyzed formaldehyde(Water extraction method), was taken on(initiated?) .

    检测方法采取GB/T2912.1—1998《纺织品中甲醛测定第一部分:游离水解的甲醛(液相萃取)》。

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  • It will direct people to deal with Aloe correctly by studying on extraction method on the effective components and the determination of trace metal in the Aloe.

    芦荟微量金属元素测定及芦荟有效成分萃取方法研究可以为人们正确使用芦荟提供一定的指导

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  • The method is able to decrease the loss of se in sample decomposition, shorten the time of complexing and extraction and raise accuracy of the determination of se.

    方法使样品消化过程中的损失大为减少,使络合萃取时间提高了硒测定精密度准确度

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  • A gas chromatographic method for the determination of methamidophos pesticide residues in the Allium Chinense was established by means of micro chemistry and solid phase extraction techniques.

    采用微量化学方法萃取技术建立了相色谱简单、快速、准确地测定荞头中甲胺磷农药残留量方法。

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  • Objective:To review literature data and investigate the method of process of extraction, of identification, and determination of content in polysaccharide of Oxytropis myriophylla.

    目的考察文献资料方法探讨提取多叶棘豆多糖,并鉴别多糖及含量测定方法。

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  • The speciation analysis of trace elements in Chinese traditional and herbal drugs, which related to their extraction, separation and determination, was reviewed with 34 references.

    综述中草药微量元素形态分析内容以及元素形态的提取分离测定引用文献34篇。

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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.

    建立快速溶剂萃取-气相色谱同时测定含脂羊毛47有机磷杀虫剂残留量方法。

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  • This paper reported the extraction and the preliminary determination of flavonoids in sweet potato leaves and stems by UV-spectrophotometry using rutin as comparison sample.

    通过甘薯中的总黄酮含量进行提取,以芦丁为对照品,紫外分光光度计其含量进行了初步测定

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  • A new method was established for the determination of germanium in Chinese herbs, plants and sediment samples by extraction graphite furnace atomic absorption spectrometry (GFAAS).

    建立萃取-石墨原子吸收测定中草药植物样品水系沉积物微量锗的方法。

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  • The method of determination of copper in light oil by air-acetylene flame atomic absorption was discussed in this paper, and the extraction and enrichment of copper in light oil was reviewed.

    探讨原子吸收空气-乙炔火焰连续测定轻质油痕量方法考察轻质油中铜萃取富集方法。

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  • A rapid, simple and accurate method for the determination of momordicoside A has been established using solid phase extraction (SPE) followed by high performance liquid chromatography (HPLC).

    建立一个快速简单准确萃取和高效液相色谱相结合的测定苦瓜甙A含量方法

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  • Objective To explore the technological processes of extraction, identification and determination of total flavone from folium Camelliae for fully making use of Camellia sinensis resourses.

    目的充分利用茶叶植物资源,避免浪费,探讨茶叶总黄酮的提取鉴别及其含量测定方法。

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  • An on line extraction flow injection method was developed for the determination of trace lead in nickel sulfate electrolyte using flame atomic absorption spectrometer as the detector.

    本文采用流动注射在线萃取火焰原子吸收光谱测定硫酸电解液微量

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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.

    复混肥料中游离含量的测定方法通常采用卡尔·真空烘箱法,用卡尔·费休法测定时又选用不同萃取剂。

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  • The methods of extraction, purification and derivation of food samples, the selection of phase and determination of the biogenic amines in different foods are discussed.

    样品生物提取净化衍生方法、流动选择以及不同食品中的生物胺种类及含量做了深入的探讨

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  • So the paper is mainly study the rapid detection of pesticide with electrochemical and solid phase extraction techniques, and the determination of a medicament has been obtained.

    为此本文主要用电化学手段萃取技术进行农药残留检测方法研究建立了一种药物的检测方法。

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  • The structure and nature, function, extraction, determination and application in the food industry of heme iron are summarized in this article.

    该文综述血红素结构性质功能提取测定方法食品工业应用情况。

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  • The present analysis of pesticide residues was surveyed in two respects: the analytical techniques for the extraction and the determination of pesticide residues.

    从样品提取技术分析检测技术方面介绍目前国内外流行农药残留分析检测技术

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  • A method was established for determination of a 7% d-cyphenothrin insecticidal aerosol using an ultrasound extraction pretreatment followed by gas chromatography (GC).

    建立了7%右旋苯氰菊酯杀虫烟雾剂超声萃取处理方法和气相色谱分析方法。

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  • The method for the determination of trace mercury in water samples by hydride generation atomic absorption spectrophotometry after cloud point extraction was proposed.

    提出萃取预富集氢化物发生-原子吸收光谱法测定痕量方法

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  • The different extraction methods are compared in the determination of negative ion surface active agent. The steps are simplified and the efficiency is improved.

    通过对水中阴离子表面活性剂测定不同萃取方法比较从而简化操作步骤,提高工作效率

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  • A method for the determination of 6 phthalate esters (PAEs) by gas chromatography-mass spectrometry (GC-MS) with accelerated solvent extraction (ASE) sample preparation was developed.

    应用加速溶剂萃取色谱-质联用法测定土壤中6种邻二甲酸酯类有机污染物。

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  • This paper summarizes the development of the property, extraction and purification, and quantitative determination of Camellia Saponin. Besides, issues needing further study were indicated.

    本文综述油茶皂素性质提取精制及油茶皂素定量方法的研究,总结了当前茶皂素研究最值得进一步研究的问题

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  • Occurrences and forms of hydraulic fractures in drilling wells are analyzed for extraction of coalbed methane(CBM). The determination basis of dips, strikes and shapes of the fractures are presented.

    钻井水力压裂开采煤层气时,所形成裂缝产状形态进行了理论分析。提出了裂缝倾角走向形状确定依据

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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 the simultaneous determination of captan and folpet pesticide residues in apples was developed by solid-phase extraction and high performance liquid chromatography.

    采用硅镁吸附剂硅胶作吸附剂,建立了相萃取-高效液相色谱同时测定苹果残留克菌丹和灭菌丹的分析方法。

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  • A method for determination of eight sulfonamides residue in royal jelly by using solid-phase extraction high performance liquid chromatography with fluorescence detector was established.

    建立蜂王浆种磺胺类药物残留固相萃取-高效液相色谱荧光分析方法

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  • A flow injection on line extraction chromatographic separation and preconcentration system is proposed for the determination of trace palladium by flame atomic absorption spectrometry (FAAS).

    以三异辛胺树脂微型柱固定相,采用流动注射在线预浓集火焰原子吸收法联用技术,对微量测定进行了研究。

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  • A new solid phase extraction-gas chromatography-mass spectrometry(SPE-GC/MS) method for simultaneous determination of ractopamine and clenbuterol in animal urine was reported.

    建立了萃取-气相色谱-质谱法(SPE-GC/MS同时测定动物尿样中的莱克多巴胺克伦特罗方法

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  • A new solid phase extraction-gas chromatography-mass spectrometry(SPE-GC/MS) method for simultaneous determination of ractopamine and clenbuterol in animal urine was reported.

    建立了萃取-气相色谱-质谱法(SPE-GC/MS同时测定动物尿样中的莱克多巴胺克伦特罗方法

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