The interaction between the polycation and polyanion was studied by spectrophotometry and conductometric titration.

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Puertin is representative of isoflavone compounds. To study the mutual reaction between puertin and Cu, Ca, Fe, Zn, Al, and Mg which exist in Pueraria, methods of conductometric titration, spectrophotometry. and pH-potentiometric titration is used.

以葛根素作為異黃酮類化合物的代表，用電導(dǎo)法国产精品一本二本在线、分光光度法免费视频久久、pH電位法研究葛根素與葛根中含量較多的微量元素Cu、Ca成年黄页免费在线观看、Fe欧美特黄特级作爱大片亚洲性人人、Zn、Al特一级大黄片性高潮、Mg在水溶液中的配位作用亚洲黄片多人免费，計算了金屬配合物的穩(wěn)定常數(shù)。

The content of selenium in the edible fungi including Pleurotus ostreatus,Agaricus bisporus,Lentinus edodes,Plrurotus cornucopiae and Flammulina velutipes is determined by ultraviolet spectrophotometry method.

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Spectrophotometry was used to determine the flavanone of Cyperus rotundus .

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MethodsThe flavonoids were extracted with ethanol as the solvent from Cyperus rotundus by ultrasonic wave. Spectrophotometry was used to determine the flavanone of Cyperus rotundus .

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Methods: A sepsis model of mice made with cecum deligation and perforation was established,and a radioimmunoassay for FABP and 96-well spectrophotometry assays for myeloperoxidase and superoxide dismutasewhich were related with clearance of free radicals,were used to detect their levels in lung and intestine ho...

建立小鼠盲腸結(jié)扎致膿毒癥模型三级片视频网站进入，采用放射免疫分析法和96孔分光光度分析法分別檢測肺腸組織勻漿液中FABP及髓過氧化物酶、超氧化物歧化酶等與自由基清除相關(guān)的酶的水平亚洲美女理论片在线免费观看、同時以HE染色方法觀察肺腸組織病理組織學(xué)改變操屄免费视频。

A spectrophotometry method, which based on the reaction of diacetyl monoxime and urea in acidic solution, was established for determination urea in bovine milk.

根據(jù)二乙酰一肟與在酸性條件下尿素的反應(yīng)，建立了一種分光光度法快速測定牛奶中尿素含量的方法亂倫网站，該方法可以定性和定量測定牛奶中尿素含量。

For the smelting slags of exhausted automobile catalyst, a method for determination of trace amounts of platinum and palladium by plus-dual-wavelength overlapping spectrophotometry in dibenzyl dithiooxamide-SnCl2 system was developed.

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In this paper, kinetics and mechanism of oxidation of dihydric alcohols、 ethylene glycol monoethyl ether 老女人精品视频国产、 amino acids by Ag in alkaline medium were studied by spectrophotometry.

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ABSTRACT Objective To apply near infrared diffuse reflectance spectrophotometry and chemometrics for the quantitative analysis of azithromycin dispersible tablets.

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