Effect of gamma-irradiation on surface and catalytic properties of CuO−ZnO/Al2O3system
✍ Scribed by G. A. El-Shobaky; A. S. Ahmad; M. Mokhtar
- Publisher
- Springer
- Year
- 1997
- Tongue
- English
- Weight
- 495 KB
- Volume
- 219
- Category
- Article
- ISSN
- 1588-2780
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Effects of gamma-ray irradiation on some optical properties of xZnO AE 2xPbO AE (1-3x)B 2 O 3 glasses have been studied in the wavelength range 300-800 nm. Decrease in transmittance indicates the formation of color-center defects. Values for the energy-band gap, the width of the energy tail above th
Reducibility and characteristics of CeO 2 , ␥-Al 2 O 3 , CuO/CeO 2 , CuO/␥-Al 2 O 3 and ceria-modified CuO/␥-Al 2 O 3 catalysts were examined using a microreactor-GC NO + CO reaction system and the methods of BET, XRD, TPR, XPS and NO-TPD. The results showed that the catalytic activities of CuO/CeO