Research Article
Optimization of Working Conditions for Perovskite-Based Gas Sensor Devices by Multiregression Analysis
Figure 17
Response surface and counter plot related to the polynomial function describing the operating conditions effects on the fractional sensitivity: (a) effects of temperature and carbon monoxide concentration, when inlet-gas flow rate is 70 cm3/min; (b) effects of inlet-gas flow rate and carbon monoxide concentration, when temperature is 380°C; (c) effects of inlet-gas flow rate and temperature, when carbon monoxide concentration is 150 ppm.
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