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Fe3O4@SiO2-SO3H nanocomposites were successfully synthesised as the efficient magnetically separable solid acid catalysts for an esterification reaction. The resultant catalysts were characterised by X-ray diffraction, scanning electron microscopy, transmission electron microscopy, Fourier-transform infrared spectroscopy, vibrating sample magnetometer (VSM), and nitrogen physical adsorption analyses...
SF6 decomposition components have a close relationship with the insulation defects in GIS. And the inner insulation state could be evaluated by monitoring the internal gas decomposition components. Fourier transform infrared spectroscopy (FTIR) and gas chromatography (GC) were used to detect the SF6 partial discharge decomposition products. The sample interval was 12 hours, total discharge time was...
Experimental results of the treatment of dimethyl methylphosphonate (DMMP), which is a chemical stimulant of the sarin gas, are reported. The plasma used for the experiment was a large area non-thermal RF atmospheric pressure plasma produced in the ambient air, of which size was 15times100 mm2. Previously measured current and gas temperature were low enough for thermally-sensitive material treatments,...
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