The chemical constituents have been isolated from Delphinium tatsienense Franch Var Chinghaiense by column chromatography and preparative thin layer chromatography.

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The chemical constituent s have been isolated from Delphinium tatsienense Franch Var Chinghaiense by column chromatography and preparative thin layer chromatography.

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Use the tongue depressor to apply a thin layer of the mixture over the area that you will want the hair removed from.

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Because the properties of the products(such as fatty acids,fatty acid methyl esters,monoglyceride and diglyceride ,et al)are similar,usually many pieces of thin layer chromatographyplates are needed to obtain pure triglyceride for the 2-position fatty acid analysis.

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In the use of any lead-free paste between drying oil, especially the relatalion been dryness was strong acidic liquid medicine and destroyed, and thus is a thin layer of ink are covered (often results in presigmoid suites of yellow).

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DEMS combined with the dual thin layer flow through cell is a good tool for the quantitative study on the oxidation of small organic molecules.

微分電化學(xué)質(zhì)譜儀與雙薄層流動(dòng)電解池結(jié)合是一個(gè)很好的定量研究小分子有機(jī)物氧化的有力工具性爱视频网址。

Therefore, DEMS with the dual thin layer flow through cell can be used to measure quantitatively the formation amount or rate of the gaseous or volatile species produced electrochemically on massive electrodes.

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DEMS combined with the dual thin layer flow through cell was used to measure quantitatively the formation rate or amount of CO〓 and the consumption rate or amount of methanol during methanol oxidation.

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To coat or cover with a thin layer of metal by electrodeposition.

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