Attenuated total reflectance-Fourier transform infrared (ATR-FTIR) spectroscopy with a diamond ATR crystal was used to examine 41 historical polymer fragments and a selection of polyurethane fragments ...
This study focuses on the analysis of polysaccharide residues from the cell walls of fruits and vegetables: tomato, potato, pumpkin, carrot and celery root. An alcohol-insoluble residue was prepared ...
Principal component analysis (PCA) is a widely used method for dimension reduction. In high-dimensional data, the "signal" eigenvalues corresponding to weak principal components (PCs) do not ...
We propose a semiparametric method for conducting scale-invariant sparse principal component analysis (PCA) on high-dimensional non-Gaussian data. Compared with sparse PCA, our method has a weaker ...
Understanding the properties of different materials is an important step in material design. X-ray absorption spectroscopy ...
Since its invention in 1986, atomic force microscopy (AFM) has emerged as a powerful tool to probe materials, structures, and devices at the nanoscale. In recent years, empowered by advanced data ...
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