English: Scanning Electron Microscopy (SEM) image showing TiO2 nanowires produced by hydrothermal synthesis. The color is added to emphasize the grayscale levels.
Italiano: Immagine al microscopio elettronico a scansione (SEM) di nanofili di TiO2 prodotti mediante sintesi idrotermale. Il colore è aggiunto per mettere in evidenza i diversi livelli di grigio.
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