In this paper,the TiO_2 nanotubes were synthesized by hydrothermal method using a 10 mol/L NaOH aqueous solution at 150℃. The structure of prepared materials w
The optimal selection method of spectral region based on the grey correlation analysis was applied in the analysis of near-infrared(NIR) spectra. In order to co
Fire drills(消防演习) are a big part of being safe in school: They prepare you for what you need to do in case of a fire. But what if there was a fire where you live? Would you know what to do? Talking ab