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Based on the demand of material, this paper first selected the evaluating factors about choosing suppliers, and analyzed the correlation among evaluating factors. Then, by combining the merits of Analytic Network Process (ANP) and entropy right, this paper proposed a method to calculate the compound rights of factors. The new method fully takes advantage of the relationship between factors and the...
Objective Xanthine oxidase inhibitory activities of the total biflavonoids and eight biflavonoid compounds isolated from the medicinal plants of Selaginella labordei have been investigated. Method The active compounds were screened out by measuring the inhibition rate and the 50% inhibitory concentration (IC50) of each sample against xanthine oxidase (XOD) in vitro. Result Three kinds of biflavonoids...
The thermodynamics analyse of systems of Ca-P2O5-H2O and Ca(OH)2-H3PO4-H2O in the water solution when synthesize hydroxyapatite using Sol-gel method was made. The relation figure of distributing coefficient of phosphorous acid and all the phosphorous acid radical hydroniums in the water solution and PH value and the relation figure of lg[Ca]T and PH value were drawn, and the appropriate condition...
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