The catalytic activity measurement for the NO+CO reaction over CuO/CeO\-2/\%γ\%\|Al\-2O\-3 catalysts at a low\|temperature(200 ℃) shows that the activity is strongly related to ceria loading amount, and both surface...The catalytic activity measurement for the NO+CO reaction over CuO/CeO\-2/\%γ\%\|Al\-2O\-3 catalysts at a low\|temperature(200 ℃) shows that the activity is strongly related to ceria loading amount, and both surface dispersed ceria species and crystalline CeO\-2 shows a significant enhancement on the activity. The effect of ceria species is contributed to their promoting the reduction of copper oxide species.展开更多
In this talk a review is given of currently carricd out studies on laser-induced desorption from surfaces of compound semiconductors.The reviewincludes only the non-thermal processes.which can be detected by eitherirr...In this talk a review is given of currently carricd out studies on laser-induced desorption from surfaces of compound semiconductors.The reviewincludes only the non-thermal processes.which can be detected by eitherirradiation with laser of subgap photon energies or with extremely low-intensity pulsed lasers.It is emphasized also that laser induced non-thermaldesorption is a powerful technique for surface characterization and surfacecleaning.展开更多
文摘The catalytic activity measurement for the NO+CO reaction over CuO/CeO\-2/\%γ\%\|Al\-2O\-3 catalysts at a low\|temperature(200 ℃) shows that the activity is strongly related to ceria loading amount, and both surface dispersed ceria species and crystalline CeO\-2 shows a significant enhancement on the activity. The effect of ceria species is contributed to their promoting the reduction of copper oxide species.
文摘In this talk a review is given of currently carricd out studies on laser-induced desorption from surfaces of compound semiconductors.The reviewincludes only the non-thermal processes.which can be detected by eitherirradiation with laser of subgap photon energies or with extremely low-intensity pulsed lasers.It is emphasized also that laser induced non-thermaldesorption is a powerful technique for surface characterization and surfacecleaning.