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Publikováno v:
Sensors and Actuators B: Chemical. 20:111-117
Oxide semiconductors have been examined to develop NOx sensors for exhaust monitoring. Titania doped with trivalent elements, such as Al3+, Sc3+, Ga3+ or In3+, has a good sensitivity and selectivity to NO between 450 and 550 °C, and shows rapid resp
Autor:
John La Cerda
The story of Japan is no longer—if it was ever—the delicate words and prints of the travel literature of the nineteenth and early twentieth centuries. A scheme for ruling the world has been followed by a costly war; the war by unconditional surre