نتایج جستجو برای: chemometric approach
تعداد نتایج: 1291542 فیلتر نتایج به سال:
Chemometric Approach for Mechanical Properties Prediction during the Electromagnetic Casting Process
Purpose: To study the effect of some factors on the size of finasteride nano-emulsion by chemometric approach which could predict the size of nano-emulsion droplets under different conditions. Methods: Nano-emulsions were prepared using spontaneous emulsification method which occurs when organic and aqueous phases are mixed. The organic phase was a homogeneous solution of oil (finasteride as a ...
The search of metabolites which are present in biological samples and the comparison between different samples allow the construction of certain biochemical patterns. The mass spectrometry (MS) methodology applied to the analysis of biological samples makes it possible for the identification of many metabolites. Each obtained signal (m/z) is characteristic of a particular metabolite. However, t...
In the current work results of determinations of refractive index by the immersion method using a GRIM system were presented. 93 samples of glass collected in Poland from car windshields, window panes, car headlamps and glass containers were analysed. In this work an evaluation of the obtained results by chemometric methods was also presented. These chemometric methods are used to solve the pro...
New chemometric approaches were applied to high performance liquid chromatography (HPLC) for simultaneous determination of esomeprazole magenisum trihydrate and naproxen in their synthetic mixture. These chemometric approaches were applied to the multiwavelength HPLC peak area ratio obtained by plotting the chromatograms at the five wavelengths using diclofenac sodium as internal standard (IS)....
eight selected heavy metals (cu, zn, pb, cd, cr, mn, fe and al) in surface and sub-surfacesediments in the northern coast of sfax (tunisia) were studied in order to assess the sediment quality and tohighlight the anthropogenic contributions to heavy metal distributions in the two study sediment levels.multiple chemometric approaches based on geographic information system (gis), enrichment facto...
The objective of this paper is to present a review of different calibration and classification methods for functional data in the context of chemometric applications. In chemometric, it is usual to measure certain parameters in terms of a set of spectrometric curves that are observed in a finite set of points (functional data). Although the predictor variable is clearly functional, this problem...
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