نتایج جستجو برای: glow
تعداد نتایج: 2925 فیلتر نتایج به سال:
We report the discovery of the new phenomenon of energetic alpha emission (up to 16.0MeV), and proton emission (∼1.7MeV), from a metal surface possessing a large affinity for hydrogen and loaded/excited by electrolysis, glow discharge or powerful laser. Various experiments on charged particle emission show a remarkable feature: all exhibit a similar yield per unit input energy of energetic alph...
Hydrogen loading of 99.98% pure natural uranium foils (0.18 mm thick) was performed by aqueous electrolysis in order to compare with glow discharge results. Alpha, beta, and gamma specific radioactivity were measured after hydrogen loading and compared with the control. Some of the samples revealed an increase of the specific radioactivity of up to 20%. Gamma ray spectroscopy was also performed...
This study analyses the thermally stimulated luminescence (TSL) or thermoluminescence glow curve between 300 and 773 K of germanium-doped silica optical fibre and finds a main glow peak at around 500 K with a characteristic spectral emission centred at 400 nm. Both features are particularly suitable for dosimetry. Thus, an investigation by the TSL technique of some first clinically relevant fea...
Hydrogenated amorphous silicon alloys of carbon and germanium can be deposited by glow-discharge decomposition of gaseous hydrides or fluorides. Non-plasma methods such as photochemical vapour deposition are also used and offer guidelines for understanding and improving the standard glow-discharge method. These amorphous alloys usually have poorer structural and electronic properties than pure ...
Emission spectra from a DC plasma discharge of nitrogen with a graphite cathode used for deposition of CNx layers were investigated in the visible range 350-900 nm. The spectra recorded at low and high resolution from both the negative glow and the positive column of the discharge were studied separately. All spectra are dominated by neutral and ionised N2 emission. In the positive column the v...
Orange juice is one of the most popular juices sold in world. Although very popular, orange market pasteurized, presenting off-flavor compounds and aromas different from freshly squeezed juice. This study investigated how green chemistry, through application glow discharge plasma, can help improve aroma mitigate off-flavors pasteurized was processed at plasma flow rates (10 to 30 mL/min) for 10...
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